Babcock, MN
Brian Babcock, Bloomington, MN US
Patent application number | Description | Published |
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20090065436 | SUPER ABSORBENT CONTAINING WEB THAT CAN ACT AS A FILTER, ABSORBENT, REACTIVE LAYER OR FUEL FUSE - The web of the invention can comprise a super absorbent layer that can act as an moisture sensitive fuel shut-off valve, absorbent, adsorbant or reactant. The web of the invention can comprise a super absorbent fabric or layer made of a superabsorbent particle or fiber. The web can comprise a nanofiber layer having dispersed within the nanofiber layer a super absorbent particulate and optionally a second particulate material that can act as an absorbent, adsorbant or reactant. Fluid, gas or liquid, that flows through or by the assemblies of the invention can have any gas, liquid or solid material dispersed or dissolved in the fluid interact with the super absorbent particulate. If needed these materials can also react with, be absorbed by, or adsorbed onto, the active particulate within the nanofiber layer. The structures of the invention can act simply as flow-by reactive, absorptive, or adsorptive layers with no filtration properties, or the structures of the invention can be assembled into filters that can filter particulate from a mobile fluid in a flow-through mode while simultaneously reacting, absorbing, or adsorbing materials from the mobile fluid. | 03-12-2009 |
20110138685 | SUPER ABSORBENT CONTAINING WEB THAT CAN ACT AS A FILTER, ABSORBENT, REACTIVE LAYER OR FUEL FUSE - The web of the invention can comprise a super absorbent layer that can act as an moisture sensitive fuel shut-off valve, absorbent, adsorbant or reactant. The web of the invention can comprise a super absorbent fabric or layer made of a superabsorbent particle or fiber. The web can comprise a nanofiber layer having dispersed within the nanofiber layer a super absorbent particulate and optionally a second particulate material that can act as an absorbent, adsorbant or reactant. Fluid, gas or liquid, that flows through or by the assemblies of the invention can have any gas, liquid or solid material dispersed or dissolved in the fluid interact with the super absorbent particulate. If needed these materials can also react with, be absorbed by, or adsorbed onto, the active particulate within the nanofiber layer. The structures of the invention can act simply as flow-by reactive, absorptive, or adsorptive layers with no filtration properties, or the structures of the invention can be assembled into filters that can filter particulate from a mobile fluid in a flow-through mode while simultaneously reacting, absorbing, or adsorbing materials from the mobile fluid. | 06-16-2011 |
20120312734 | SUPER ABSORBENT CONTAINING WEB THAT CAN ACT AS A FILTER, ABSORBENT, REACTIVE LAYER OR FUEL FUSE - The web of the invention can comprise a super absorbent layer that can act as an moisture sensitive fuel shut-off valve, absorbent, adsorbant or reactant. The web of the invention can comprise a super absorbent fabric or layer made of a superabsorbent particle or fiber. Fluid, gas or liquid, that flows through or by the assemblies of the invention can have any gas, liquid or solid material dispersed or dissolved in the fluid interact with the super absorbent particulate. The structures of the invention can act simply as flow-by reactive, absorptive, or adsorptive layers with no filtration properties, or the structures of the invention can be assembled into filters. | 12-13-2012 |
20140326661 | LIQUID FILTRATION MEDIA CONTAINING MELT-BLOWN FIBERS - A filter and filter media configured and arranged for placement in a fuel stream is disclosed. The filter and filter media allow for filtering of liquid fuels, such as diesel fuel. In certain embodiments the filter media includes a media fiber, such as melt blown polyester; and a scaffold fiber, also such as such as melt blown polyester, having a larger diameter than the media fiber. The media and scaffold fibers combine to create a media structure having low solidity and relatively low compressibility, and which contain a pore structure that avoids premature fouling of the filter by fuel degradation products. | 11-06-2014 |
Brian Babcock, Shakopee, MN US
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20110005394 | MEDIA FOR REMOVAL OF ORGANIC COMPOUNDS - An air filter having a low pressure drop and adsorbent capabilities when placed in a fluid stream is disclosed. The air filter contains activated carbon incorporated into a filter media that can be shaped into a fluted configuration. The fluted shape is maintained during operation of the air filter through the use of flow restrictors along the length of the flute. The fluted material can be rolled or stacked. | 01-13-2011 |
Brian D. Babcock, Bloomington, MN US
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20110049015 | WATER REMOVAL AND MANAGEMENT SYSTEM - A system and method for removing and managing water in liquid hydrocarbons is disclosed. The system and method utilize a water absorbent filter, such as one that utilizes super absorbent polymers, cellulose, cotton or other suitable material to remove water from the system that is either present as free water or as dissolved moisture within the liquid hydrocarbon. The super absorbent polymer filter can be regenerated through the introduction of a dried liquid hydrocarbon, through the use of an air drying system, or a combination of both. | 03-03-2011 |
20110252758 | AIR FILTER CARTRIDGE - Filters capable of dissipating static charges. One example includes a filter media pack comprising fluted media secured to facing media; the fluted media having cellulose fibers; and the fluted media including an amount of carbon black sufficient to impart a static charge dissipative property thereto. One example includes an air filter cartridge having a filter media pack comprising fluted media secured to facing media; the fluted media comprising cellulose fibers; the fluted media having at least one side coated with a static charge dissipative amount of a metallic coating. These filters are useable in, for example, dust collectors. | 10-20-2011 |
Brian David Babcock, Bloomington, MN US
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20090311575 | Fuel cell with passive operation - A fuel cell comprising an anode and cathode, fuel delivery means comprising a superabsorbent nonwoven absorbent media in fluid contact with a wicking material, gas-liquid separation means, and water management means. In one embodiment, the fuel cell also uses a microporous membrane, a wicking material, and an absorbent material to provide for gas-liquid separation, and a wicking material and absorbent material to provide for liquid management means at the cathode. In some embodiments, the combination of materials provides the advantage of passive operation and orientation independence for the fuel cell. | 12-17-2009 |
20110024391 | Methods for creating a surface energy gradient - A method of derivatizing a fluid-impervious surface with a mixed monolayer to create a surface energy gradient comprising the steps of | 02-03-2011 |
20110030926 | Cooling systems using coatings with surface energy gradient - A cooling system comprising a plurality of coolant channels comprising a fluid-impervious surface comprising a base surface, at least one distinct region of the base surface covered by a mixed monolayer, the mixed monolayer comprising a species having a functional group M | 02-10-2011 |
20110034785 | Biopolymer resistant devices using coatings with surface energy gradient - A medical device or analytical device comprising a fluid-impervious surface comprising a base surface, at least one distinct region of the base surface covered by a mixed monolayer film, the mixed monolayer film comprising a species having a functional group M1 and a species having a functional group M2 where M1 and M2 have different surface energies, the mixed monolayer forming a surface energy gradient wherein at least one of the species used to form the monolayer on the surface comprises a biopolymer-resistant domain. | 02-10-2011 |
20120082826 | Gradient Coatings with Biopolymer-resistant domains - A medical device or analytical device comprising a fluid-impervious surface comprising a base surface, at least one distinct region of the base surface covered by a mixed monolayer film, the mixed monolayer film comprising a species having a functional group Ml and a species having a functional group M2 where M1 and M2 have different surface energies, the mixed monolayer forming a surface energy gradient wherein at least one of the species used to form the monolayer on the surface comprises a biopolymer-resistant domain. | 04-05-2012 |
20140295565 | Surface Energy Gradient Films for Analytical Devices - A device comprising a channel comprising at least one surface wherein the surface comprises a fluid-impervious base surface covered by a coating beginning at a proximal location and ending at a distal location along the at least one surface of the channel, the coating forming a surface energy gradient from the proximal location to the distal location on the surface, wherein the coating comprises a species having a functional group M1 and a species having a functional group M2 where M1 and M2 have different surface energies, wherein the functional group M2 comprises an amide or amine group, and the concentration of the species comprising functional group M2 in the coating increases relative to the concentration of the species comprising functional group M1 from the proximal location to the distal location on the surface. | 10-02-2014 |
David E. Babcock, Brooklyn Park, MN US
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20150140107 | DELIVERY OF HYDROPHOBIC ACTIVE AGENT PARTICLES - Embodiments of the invention include drug delivery coatings and devices including the same. In an embodiment, the invention includes a drug delivery coating including a polymeric layer. The polymeric layer can include a hydrophilic outer surface. The coating can also include a matrix contacting the hydrophilic outer surface. The matrix can include a particulate hydrophobic therapeutic agent and a cationic agent. The polymeric layer can further include a hydrophilic polymer having pendent photoreactive groups and a photo-crosslinker including two aryl ketone functionalities. Other embodiments are also included herein. | 05-21-2015 |
David E. Babcock, St. Louis Park, MN US
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20080243243 | Implantable medical articles having pro-healing coatings - Coatings including adhesion factors for the surfaces of implantable medical articles are disclosed. The coatings are used to improve the function of the device by promoting a pro-healing response following implantation. The coatings can modulate endothelialization of the article surface to reduce the risk of adverse tissue responses that may reduce the functionality of the device. | 10-02-2008 |
20110229457 | INJECTABLE DRUG DELIVERY SYSTEM - The invention provides a formulation that includes a biocompatible solvent system, a biodegradable polymer that is substantially soluble in the biocompatible solvent system, and an active pharmaceutical ingredient that is substantially insoluble in the biocompatible solvent system. The formulation can form a drug-eluting implant, when injected into mammalian tissue. The solvent system and the biodegradable polymer can be selected so that the implant provides extended, delayed, controlled and/or modified release of the active pharmaceutical ingredient, for example, over the course of days, weeks or months. | 09-22-2011 |
20110244014 | IMPLANTABLE MEDICAL ARTICLES HAVING LAMININ COATINGS AND METHODS OF USE - Laminin-containing coatings for the surfaces of implantable medical devices are disclosed. The coatings promote the formation of vessels in association with the coated surfaces with minimal fibrotic response. | 10-06-2011 |
20120100187 | COATINGS AND METHODS FOR CONTROLLED ELUTION OF HYDROPHILIC ACTIVE AGENTS - Embodiments of the invention include multi-layer coatings and methods for controlling the elution of hydrophilic active agents. In an embodiment, the invention includes a medical device including a substrate, a primer polymer layer disposed on the substrate, an expandable layer disposed on the primer polymer layer, and a hydrophilic active agent dispersed within the expandable layer. In an embodiment, the invention includes a method of forming a medical device including depositing a primer layer onto a substrate, the primer layer comprising a primer polymer. The method can further include depositing an expandable layer onto the primer layer, the expandable layer including an expandable polymer, and a hydrophilic active agent. The expandable layer can be deposited with a solvent that is effective to solvate both the expandable polymer and the primer polymer. Other embodiments are also included herein. | 04-26-2012 |
20130197433 | LUBRICIOUS MEDICAL DEVICE COATING WITH LOW PARTICULATES - Embodiments of the invention include lubricious medical device coatings. In an embodiment the invention includes a coating for a medical device including a first layer comprising polyvinylpyrrolidone derivatized with a photoreactive group; and a first cross-linking agent comprising at least two photoreactive groups; a second layer disposed on the first layer comprising polyvinylpyrrolidone derivatized with a photoreactive group; a second cross-linking agent comprising at least two photoreactive groups; and a polymer comprising polyacrylamide, the polymer derivatized with at least one photoreactive group. Other embodiments are included herein. | 08-01-2013 |
20140193474 | LOW PARTICULATE LUBRICIOUS COATING WITH VINYL PYRROLIDONE AND ACIDIC POLYMER-CONTAINING LAYERS - Embodiments of the disclosure include lubricious coatings. In an embodiment the disclosure includes a lubricious coating for a medical device including first and second coated layers. The first coated layer is between the second coated layer and the device surface and includes a vinyl pyrrolidone polymer and a photo reactive group. The second coated layer is in direct contact with the first coated layer and is a top coating that includes an acrylic acid polymer. The second coated layer can optionally include photoreactive groups. The coating was found to have a very low number of particulates (e.g., 10 μm or greater) which is very desirable for in vivo use. | 07-10-2014 |
Laura M. Babcock, Plymouth, MN US
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20100249331 | METHOD FOR STABILIZING POLYMERS CONTAINING REPEATING LACTIC ACID UNITS, AND STABILIZED POLYMERS SO MADE - Metal catalyst residues in resins containing polymerized lactic acid units, such as polylactides, are deactivated by treatment with a polymer or copolymer that contain pendant acid groups and pendant ester groups, with an acid-containing PLA resin, or with a polymer or copolymer having at least one acid groups per 250 atomic mass units and which has pendant lactic acid or poly(lactic acid) groups. The deactivating agent is effective at deactivating the catalyst, and has little effect on the optical clarity of the resin. | 09-30-2010 |
Laura Mae Babcock, Plymouth, MN US
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20100144971 | Impact Modified Polylactide Resins - Polylactide resins are blended with core-shell rubber particles to improve impact strength. A good balance of impact strength and transparency is achieved when the rubber particles are distributed within the polymer matrix such that most of them exist as single particles or agglomerates having a diameter of 150 nanometers or more, and the number average size of the particles and agglomerates is not more than 210 nanometers. | 06-10-2010 |
Martin Babcock, White Bear Lake, MN US
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20090058035 | Hand-driven wheelchair - A hand-operated assembly that supplies secondary drive power and steering control to a secondary drive wheel of a wheel chair. The assembly comprises a handle that is controlled with one hand and a linkage rod that extends from the handle to an eccentric arm fitted to a one-way clutch assembly at a secondary drive wheel support axle. Reciprocating up-down, pivoting movements of the handle over a range Y′ in the Y axis directs a linkage rod to rotate an eccentric arm fitted to a one-way clutch and a drive axle of a small diameter, secondary drive wheel. Independent 360° rotation of the handle about a second, horizontal or Z axis steers the secondary drive wheel. A portion Y′ of the range of handle motion directs a flange at the linkage arm to engage a brake piece that contacts the secondary drive wheel. Large diameter, hand driven, primary drive wheels are separately available to the user for effecting normal chair conveyance. | 03-05-2009 |
Martin P. Babcock, White Bear Lake, MN US
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20080226114 | Earbud Adapter with Enhanced Frequency Response - Adapters for use with sound devices and methods for making and using the same. An adapter may include an adapter body including a wall having a first surface and a second surface, and a projection extending from the wall. The adapter is generally configured to be attachable to a sound device such as an earbud or earphone. A sleeve configured to at least in part extend into the ear canal of a user during use may be attached to the projection. The adapter may additionally include one or more unobstructed orifices extending through the wall of the adapter between the first surface and the second surface. The one or more unobstructed orifices may allow leakage of acoustical energy from the adapter, thus modifying the level of sound energy at certain frequencies transmitted to the ear canal of a user. | 09-18-2008 |
20090232342 | EARBUD ADAPTER WITH INCREASED FLEXIBILITY REGION - An adapter configured to be detachably coupled to an earbud-type sound device or other sound device is disclosed. The adapter includes an adapter body having a top portion, a bottom portion which is configured to be detachably coupled to a sound device, and a projection extending from the top portion at a junction region between the projection and the top portion of the adapter body. The projection includes a sound conduit extending from an opening in the top portion of the adapter body. Furthermore, the junction region includes a multi-directional positioning component allowing the projection to be positioned at a plurality of angular positions relative to the top portion of the adapter body. | 09-17-2009 |
Raymond F. Babcock, Rochester, MN US
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20110304344 | Support Structure For Installation Of A Component Assembly Housed In A Rotating, Translating Carriage Chassis - A support structure for installation of a component assembly housed in a rotating, translating carriage chassis, the support structure including: a stationary rail that includes a shaft extruding perpendicular to the stationary rail; a rotating rail adapted to receive a carriage chassis rail, the rotating rail parallel to the stationary rail when the rotating rail is in a non-rotated position, the rotating rail including a shaft receptacle that receives the shaft, the rotating rail configured to rotate about the shaft and relative to the stationary rail; and a translation mechanism attached to the rotating rail, the translation mechanism enabling the carriage chassis rail to translate parallel to and along the rotating rail. | 12-15-2011 |
20110304988 | Carriage Chassis With A Tri-Lobed Torsion Stop - Carriage chassis for installation of a component assembly in a support structure. The support structure includes a power connector in a connector housing. The carriage chassis includes: rails adapted to receive a component assembly and a safety cover. One of the rails includes a tri-lobed torsion stop that includes a first lobe configured to contact the connector housing when no safety cover is installed, preventing a component assembly from coupling with power; a second lobe configured to receive contact from a displacement member of a safety cover, rotating the tri-lobed torsion stop; and a third lobe configured to provide contact to the displacement member when the safety cover is installed and a component assembly is coupled with power. The third lobe and the first lobe prevent removal of the safety cover when a component assembly is coupled with the power connector. | 12-15-2011 |
Raymond F. Babcock, Stewartville, MN US
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20120257353 | Carriage Chassis With A Tri-Lobed Torsion Stop - Carriage chassis for installation of a component assembly in a support structure. The support structure includes a power connector in a connector housing. The carriage chassis includes: rails adapted to receive a component assembly and a safety cover. One of the rails includes a tri-lobed torsion stop that includes a first lobe configured to contact the connector housing when no safety cover is installed, preventing a component assembly from coupling with power; a second lobe configured to receive contact from a displacement member of a safety cover, rotating the tri-lobed torsion stop; and a third lobe configured to provide contact to the displacement member when the safety cover is installed and a component assembly is coupled with power. The third lobe and the first lobe prevent removal of the safety cover when a component assembly is coupled with the power connector. | 10-11-2012 |
20130121134 | FAIL TO WIRE REMOVABLE MODULE FOR NETWORK COMMUNICATION LINK - A fail-to-wire (FTW) module that preserves a primary data path connection from an upstream computer to a downstream computer if there is any kind of failure in a breakout data path to a breakout system. The FTW module provides switches between the incoming data network data and the breakout system such that when the breakout system encounters a failure, the switches are de-activated to bypass the breakout system. The switches in the FTW module are activated by a system health signal from the breakout system. The breakout system can be serviced without interrupting the data network connections since the FTW module can be extracted from the failed breakout system with data network connections intact. The FTW module is preferably a compact modular element that fits within the breakout chassis and is easily inserted and removed from the breakout system during servicing operations. | 05-16-2013 |
20130121139 | FAIL TO WIRE REMOVABLE MODULE FOR NETWORK COMMUNICATION LINK - A fail-to-wire (FTW) module that preserves a primary data path connection from an upstream computer to a downstream computer if there is any kind of failure in a breakout data path to a breakout system. The FTW module provides switches between the incoming data network data and the breakout system such that when the breakout system encounters a failure, the switches are de-activated to bypass the breakout system. The switches in the FTW module are activated by a system health signal from the breakout system. The breakout system can be serviced without interrupting the data network connections since the FTW module can be extracted from the failed breakout system with data network connections intact. The FTW module is preferably a compact modular element that fits within the breakout chassis and is easily inserted and removed from the breakout system during servicing operations. | 05-16-2013 |