Ravikumar
Arvind Ravikumar, Princeton, NJ US
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20140231750 | QUANTUM WELL INFRARED PHOTODETECTORS USING II-VI MATERIAL SYSTEMS - A quantum well infrared photodetector (QWIP) and method of making is disclosed. The QWIP includes a plurality of epi-layers formed into multiple periods of quantum wells, each of the quantum wells being separated by a barrier, the quantum wells and barriers being formed of II-VI semiconductor materials. A multiple wavelength QWIP is also disclosed and includes a plurality of QWIPs stacked onto a single epitaxial structure, in which the different QWIPs are designed to respond at different wavelengths. A dual wavelength QWIP is also disclosed and includes two QWIPs stacked onto a single epitaxial structure, in which one QWIP is designed to respond at 10 μm and the other at 3-5 μm wavelengths. | 08-21-2014 |
Deepak Ravikumar, Piscataway, NJ US
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20140263683 | COMPOSITE RAILROAD TIES AND METHODS OF PRODUCTION AND USES THEREOF - The invention provides novel railroad ties manufactured from novel composite materials that possess excellent physical and performance characteristics matching or exceeding existing concrete RRTs. The RRTs of the invention can be readily produced from widely available, low cost raw materials by a process suitable for large-scale production with improved energy consumption and more desirable carbon footprint and minimal environmental impact. | 09-18-2014 |
20140272216 | AERATED COMPOSITE MATERIALS, METHODS OF PRODUCTION AND USES THEREOF - The invention provides novel aerated composite materials that possess excellent physical and performance characteristics of aerated concretes, and methods of production and uses thereof. These composite materials can be readily produced from widely available, low cost raw materials by a process suitable for large-scale production with improved energy consumption, desirable carbon footprint and minimal environmental impact. | 09-18-2014 |
20140314990 | PAVERS AND BLOCK COMPOSITE MATERIALS AND METHODS OF PREPARATION THEREOF - The invention provides novel paving stones and construction block composite materials and methods for preparation thereof. The paving stones and construction block composite materials can be readily produced from widely available, low cost precursor materials by a production process that involves compacting in a mold that is suitable for large-scale production. The precursor materials include calcium silicate, for example, wollastonite, and particulate filler materials which can comprise silicon dioxide-rich materials. Additives can include calcium carbonate-rich and magnesium carbonate-rich materials. Various additives can be used to fine-tune the physical appearance and mechanical properties of the composite material, such as colorants such as particles of colored materials, such as, and pigments (e.g., black iron oxide, cobalt oxide and chromium oxide). These paving stones and construction block composite materials exhibit visual patterns similar to stone as well as display compressive strength and water absorption equal to or better than that of stone. | 10-23-2014 |
20140361471 | Rapid curing of thin composite material sections - A method of preparing and rapidly curing a composite material having a thin cross section. The composite material includes a mixture of solid particles, at least some of which are a material that reacts with CO | 12-11-2014 |
20140363665 | PERVIOUS COMPOSITE MATERIALS, METHODS OF PRODUCTION AND USES THEREOF - The invention provides novel pervious composite materials that possess excellent physical and performance characteristics of conventional pervious concretes, and methods of production and uses thereof. These composite materials can be readily produced from widely available, low cost raw materials by a process suitable for large-scale production with improved energy consumption, desirable carbon footprint and minimal environmental impact. | 12-11-2014 |
20150056437 | AERATED COMPOSITE MATERIALS, METHODS OF PRODUCTION AND USES THEREOF - The invention provides novel aerated composite materials that possess excellent physical and performance characteristics of aerated concretes, and methods of production and uses thereof. These composite materials can be readily produced from widely available, low cost raw materials by a process suitable for large-scale production with improved energy consumption, desirable carbon footprint and minimal environmental impact. | 02-26-2015 |
20150336852 | METHOD AND APPARATUS FOR THE CURING OF COMPOSITE MATERIAL BY CONTROL OVER RATE LIMITING STEPS IN WATER REMOVAL - The invention encompasses equipment used to condition a recirculating gas stream in order to cure a CO | 11-26-2015 |
20160031757 | CARBONATABLE CALCIUM SILICATE COMPOSITIONS AND METHODS THEREOF - The invention provides novel carbonatable calcium silicate compositions and carbonatable calcium silicate phases that are made from widely available, low cost raw materials by a process suitable for large-scale production. The method of the invention is flexible in equipment and production requirements and is readily adaptable to manufacturing facilities of conventional cement. The invention offers an exceptional capability to permanently and safely sequesters CO | 02-04-2016 |
Madhumitha Ravikumar, Cleveland, OH US
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20140023591 | HETEROMULTIVALENT NANOPARTICLE COMPOSITIONS - A composition for use in diagnostic and therapeutic applications includes a heteromultivalent nanoparticle having an outer surface and a plurality of targeting moieties conjugated to the surface of the nanoparticle, the targeting moieties includes a first activated platelet targeting moiety and a second activated platelet targeting moiety. | 01-23-2014 |
Madhumitha Ravikumar, Centerville, OH US
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20140099359 | SYNTHETIC PLATELETS - A synthetic platelet includes a biocompatible flexible nanoparticle that includes an outer surface and a plurality of peptides conjugated to the surface, the peptides including a plurality of von Willebrand factor-binding peptides (VBPs), collagen-binding peptides (CBPs) and an active platelet GPIIb-IIIa-binding peptides (GBPs). | 04-10-2014 |
20150335717 | SYNTHETIC PLATELETS - A synthetic platelet includes a biocompatible flexible nanoparticle that includes an outer surface and a plurality of peptides conjugated to the surface, the peptides including a plurality of von Willebrand factor-binding peptides (VBPs), collagen-binding peptides (CBPs) and an active platelet GPIIb-IIIa-binding peptides (GBPs). | 11-26-2015 |
Midathala Ravikumar, Andhra Pradesh IN
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20100273132 | MOTION PLATFORM SYSTEM - The present invention relates to a motion platform system comprising of a base ( | 10-28-2010 |
Musuwathi Krishnamoorthy Ravikumar, Bangalore IN
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20120327560 | Energy Storage Device, an Inorganic Gelled Electrolyte and Methods Thereof - The present disclosure is related to hybrid capacitors specifically to PbO | 12-27-2012 |
20130063866 | ENERGY STORAGE DEVICE AND METHOD THEREOF - The present disclosure is related to hybrid capacitors specifically to PbO | 03-14-2013 |
P.v.k. Ravikumar, Chennai IN
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20160080275 | User Prioritization in a Congested Network - A behavior investigating device of a system investigating arrangement in a communication network continuously obtains statistical network usage data of users, analyzes the statistical network usage data with regard to the pattern of behavior of the users, prioritizes the users based on the analysis and informs a traffic prioritizing function about the priority of at least one of the users. The traffic prioritizing function, which may be provided in the traffic prioritizing node, determines that there is network congestion, identifies a communication session of a user in the communication network, obtains a priority of the user from a behavior investigating device and determine whether the user is to be allowed to use the communication network based on the priority and the congestion determination. | 03-17-2016 |
Rajeshkumar Ravikumar, Bangalore IN
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20100275648 | EFFICIENTLY COMPRESSING NITROGEN IN A COMBINED CYCLE POWER PLANT - A system and method for reduction of diluent gaseous nitrogen (DGAN) compressor power in combined cycle power plant. A vapor absorption chiller (VAC) may be utilized to generate and transmit cooled fluid, such as water, to one or more heat exchangers located upstream and/or downstream of at least one compressor of the DGAN compressor system. Utilization of these heat exchangers may cool the temperature of the nitrogen, which may allow for less energy to be expended by the DGAN in compression of the nitrogen. | 11-04-2010 |
20120009075 | SYSTEMS FOR COMPRESSING A GAS - Systems for efficiently compressing a gas are included. In one embodiment, a system includes a carbonous gas compression system and a vapor absorption chiller (VAC). The carbonous gas compression system comprises a compressor configured to compress the carbonous gas. The VAC is configured to circulate a coolant through at least one coolant path through the carbonous gas compression system. Utilization of the VAC may aid in cooling the carbonous gas, which may allow for less energy to be expended by the compression system. | 01-12-2012 |
Ramanujam Ravikumar, Lake Charles, LA US
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20110138682 | ALGAL CULTURE PRODUCTION, HARVESTING , AND PROCESSING - Materials and methods are provided for growing algae while maintaining culture selectivity. Algae that can be grown include, for example, green algae such as those of the genus | 06-16-2011 |
Rameshkumar Ravikumar, Allen, TX US
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20090296606 | SYSTEM AND METHOD FOR PEER-TO-PEER HYBRID COMMUNICATIONS - An improved system and method are disclosed for peer-to-peer communications. In one example, the method includes retrieving a profile and a routing table from an access server by a first endpoint during an authentication process. The profile identifies at least a second endpoint as an endpoint with which the first endpoint has permission to communicate. The routing table contains address information needed for the first endpoint to communicate directly with the second endpoint. The first endpoint sends a notification message directly to the second endpoint using the address information to inform the second endpoint that the first endpoint is online. | 12-03-2009 |
Sivakumar Ravikumar, Allen, TX US
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20090262742 | SYSTEM AND METHOD FOR TRAVERSING A NAT DEVICE FOR PEER-TO-PEER HYBRID COMMUNICATIONS - An improved system and method are disclosed for peer-to-peer communications. In one example, the method enables an endpoint to traverse a NAT device using a stateless reflector. | 10-22-2009 |
20090296606 | SYSTEM AND METHOD FOR PEER-TO-PEER HYBRID COMMUNICATIONS - An improved system and method are disclosed for peer-to-peer communications. In one example, the method includes retrieving a profile and a routing table from an access server by a first endpoint during an authentication process. The profile identifies at least a second endpoint as an endpoint with which the first endpoint has permission to communicate. The routing table contains address information needed for the first endpoint to communicate directly with the second endpoint. The first endpoint sends a notification message directly to the second endpoint using the address information to inform the second endpoint that the first endpoint is online. | 12-03-2009 |
Sundaram Ravikumar, Briar Cliff Manor, NY US
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20110087142 | COMPRESSION GARMENTS WITH HEEL ELEVATION - A compression garment includes a backing member with a proximal end portion and opposed distal end portion. The backing member is configured to be disposed about at least a portion of a lower leg between calf and heel and has an inner surface to be disposed facing the lower leg, and an opposite outer surface. The garment further includes at least one compression bladder disposed within the backing member configured to compress at least a portion of the lower leg to augment venous return flow in the lower leg, an elevation member operatively coupled to the backing member and configured to elevate the heel from an underlying support surface and at least one support member disposed along a portion of the elevation member and along a portion of the backing member to retain the elevation member in a desired position with respect to the backing member to elevate the heel. | 04-14-2011 |
20120010563 | BIDIRECTIONAL VASCULAR INTRODUCER SHEATH - A vascular introducer sheath includes a sheath body having an interior lumen for accommodating a dilator. The vascular introducer further includes a guidewire positioning means operatively associated with the interior lumen of the sheath body for directing a guidewire in either a vascular direction or an arterial direction within a venous system. | 01-12-2012 |
20120022422 | VENOUS CLOSURE CATHETER AND METHOD FOR SCLEROTHERAPY - A venous closure catheter is disclosed for performing sclerotherapy which includes an elongated catheter body having opposed proximal and distal end portions, a fluid delivery lumen and a guidewire lumen. A plurality of discharge apertures are associated with the distal end portion of the catheter body and communicate with the fluid delivery lumen for delivering a sclerosing solution into the saphenous vein. A circumferential flange is positioned on an exterior surface of the catheter body proximal to the discharge apertures, which has a plurality of projections formed thereon for traumatizing the inner wall of the saphenous vein upon removal of the catheter body therefrom to promote closure of saphenous vein after sclerotherapy. A compression apparatus is disclosed for providing therapeutic pressure subsequent to sclerotherapy. The compression apparatus includes first and second wraps for providing compression of an upper leg, and the lower leg and foot, respectively. | 01-26-2012 |
20120041351 | THERAPEUTIC COMPRESSION APPARATUS - A therapeutic compression apparatus having a primary wrap, a foot wrap and a stirrup is provided. The primary wrap encircles a first portion of a leg and applies compression thereto. The foot wrap encircles at least a portion of the foot and applies compression thereto. The foot wrap may be integrated with the stirrup, detachably connected or provided separately. The compression apparatus may be configured such that one or more bladders are provided therein. The compression apparatus may include a pressure gauge and pump for controlling an amount of pressure applied to the treatment site. A bladder assembly with a number of fluid bladder configurations is also provided for use within a compression apparatus. The bladder may be configured to provide a gradient pressure profile to the treatment site when filled. | 02-16-2012 |
20120078157 | Device For Providing Therapeutic Pressure To a Treatment Site - The subject invention includes devices for providing therapeutic pressure to a treatment site. The devices include a bladder portion and a dressing portion. The bladder portion has opposed upper and lower exterior walls sealed to one another along common peripheral edges thereof to form an interior pressure chamber therebetween, without a lip or flange extending around the perimeter of the peripheral edge. The dressing portion is integrated with the bladder portion or detachably provided so that none of the bladder material comes into contact with the patient's skin at the treatment site. The interior pressure chamber of the bladder portion may have a number of configurations and serves as a bolster for the dressing portion, used to aid in the healing process of the wound. | 03-29-2012 |
20120316480 | THERAPEUTIC COMPRESSION APPARATUS - A compression garment includes a wrap member with a proximal end portion and opposed distal end portion. The wrap member is configured to wrap about at least a portion of a lower leg between calf and heel. The wrap member includes an inner sheet configured and adapted to be disposed facing the lower leg in use, and an outer sheet joined to the inner sheet with a leg compression bladder defined between the inner and outer sheets. The leg compression bladder is configured to compress at least a portion of the lower leg to augment venous return flow in the lower leg. | 12-13-2012 |
20130203570 | SUPPORTIVE EXERCISE DEVICE - Supportive exercise devices assist a user in achieving and maintaining any of a variety of postures prescribed by various exercise practices, including yoga disciplines, and are particularly suited for training, by assisting and guiding a user in proper technique. Such supportive exercise devices are adapted and configured to assist a user in achieving and maintaining an exercise posture and include a seat adapted and configured to be placed under a user, a support frame extending upwardly from the seat, a backrest carried by the support frame, and shoulder straps carried by the support frame, adapted and configured for maintaining the user's shoulders in a predetermined position. | 08-08-2013 |
20130282046 | Adjustable garment for treatment of bodily limb pathology - A compression garment for use on a limb includes a stocking, a first fastening device, and a second fastening device. The stocking has upper and lower portions configured to apply compressive forces to the limb. The upper portion of the stocking is configured to at least partially wrap around the first fastening device during rotation thereof, and the lower portion of the stocking is configured to at least partially wrap around the second fastening device during rotation thereof whereby rotation of the first and second fastening devices adjusts compressive forces applied by the upper and lower portions of the stocking to the limb. | 10-24-2013 |
Vikram Ravikumar, Briarcliff Manor, NY US
Patent application number | Description | Published |
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20150245975 | Therapeutic Compression Apparatus - A bladder assembly for a compression apparatus for providing pressure to a limb, where the bladder assembly includes at least one bladder. The bladder includes a first and a second flexible wall secured to one another about a peripheral edge thereof to form an air pocket. The bladder further includes at least one spot weld provided in a predetermined location inward of the peripheral edge connecting the first and second walls to one another to define a plurality of chambers within the air pocket. | 09-03-2015 |
20150367085 | VEIN ACCESS NEEDLE GUIDE ASSEMBLY AND METHODS OF USE - A needle guide assembly for vein access including (a) a guide having a peripheral edge, a convex portion, a concave portion and an aperture, where the concave portion and the convex portion meet each other to define the aperture between the concave portion and the convex portion, each of the convex portion and the concave portion extending away from the aperture in opposite directions from each other in a tapering manner and terminating the tapering at respective locations away from the peripheral edge, the convex portion being made of a transparent or translucent material, and (b) a retaining means for retaining the guide to skin. A venipuncture method includes retaining the needle guide assembly onto the skin of a patient and using the needle guide assembly to guide a needle to puncture the skin and access a vein. | 12-24-2015 |
Vikram Ravikumar, New York, NY US
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20160074055 | NEEDLESCOPIC INSTRUMENT WITH REUSABLE HANDLE AND DETACHABLE NEEDLE ASSEMBLY - A surgical device including a disposable needle assembly, a reusable handle assembly and a retractable slide. A method for inserting and releasing a disposable needle assembly from a reusable handle assembly is included. The handle assembly includes a ratchet mechanism, locking mechanism, arming mechanism and a cage. | 03-17-2016 |
Vikram Ravikumar, Briar Cliff Manor, NY US
Patent application number | Description | Published |
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20110087142 | COMPRESSION GARMENTS WITH HEEL ELEVATION - A compression garment includes a backing member with a proximal end portion and opposed distal end portion. The backing member is configured to be disposed about at least a portion of a lower leg between calf and heel and has an inner surface to be disposed facing the lower leg, and an opposite outer surface. The garment further includes at least one compression bladder disposed within the backing member configured to compress at least a portion of the lower leg to augment venous return flow in the lower leg, an elevation member operatively coupled to the backing member and configured to elevate the heel from an underlying support surface and at least one support member disposed along a portion of the elevation member and along a portion of the backing member to retain the elevation member in a desired position with respect to the backing member to elevate the heel. | 04-14-2011 |
20120041351 | THERAPEUTIC COMPRESSION APPARATUS - A therapeutic compression apparatus having a primary wrap, a foot wrap and a stirrup is provided. The primary wrap encircles a first portion of a leg and applies compression thereto. The foot wrap encircles at least a portion of the foot and applies compression thereto. The foot wrap may be integrated with the stirrup, detachably connected or provided separately. The compression apparatus may be configured such that one or more bladders are provided therein. The compression apparatus may include a pressure gauge and pump for controlling an amount of pressure applied to the treatment site. A bladder assembly with a number of fluid bladder configurations is also provided for use within a compression apparatus. The bladder may be configured to provide a gradient pressure profile to the treatment site when filled. | 02-16-2012 |
20120316480 | THERAPEUTIC COMPRESSION APPARATUS - A compression garment includes a wrap member with a proximal end portion and opposed distal end portion. The wrap member is configured to wrap about at least a portion of a lower leg between calf and heel. The wrap member includes an inner sheet configured and adapted to be disposed facing the lower leg in use, and an outer sheet joined to the inner sheet with a leg compression bladder defined between the inner and outer sheets. The leg compression bladder is configured to compress at least a portion of the lower leg to augment venous return flow in the lower leg. | 12-13-2012 |