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Physical Sciences, Inc.

Physical Sciences, Inc. Patent applications
Patent application numberTitlePublished
20120091000ELECTROLYTIC SYSTEM AND METHOD FOR FILTERING AN AQUEOUS PARTICULATE SUSPENSION - An electrolytic filtration method and apparatus for the concentration and collection of suspended particulates from aqueous solutions is disclosed. The electrolytic cell contains at least an anode and a cathode, and in one embodiment contains a plurality of anodes and cathodes. The electrolytic cell also contains a filter, and in one embodiment the filter is a moving belt filter. While not bound by theory, the electrolytic filtration method and apparatus is based on the electrophoretic movement of algae particles suspended in an aqueous solution away from the filter under the influence of an electric field. In one embodiment the electric field is a pulsed waveform with unidirectional voltage or current pulses. In another embodiment, the electric field is a pulsed waveform with bidirectional voltage or current pulses.04-19-2012
20120086154Near Field Electrospinning of Continuous, Aligned Fiber Tows - A near field electrospinning system includes a spinneret that provides a plurality of fibers and a collector positioned relative to the plurality of spinnerets. The electrospinning system also includes a coagulant flowing along the collector. The coagulant is configured to receive a plurality of fibers from the spinneret(s) and move the plurality of fibers away from the spinneret(s). The electrospinning system also includes a roller configured to collect the plurality of fibers from the coagulant as a substantially untwisted bundle of continuous fibers.04-12-2012
20110319643Synthesis of an Azido Energetic Alcohol - A method of forming an azido energetic alcohol includes converting an energetic diol to a cyclic sulfite, oxidizing the cyclic sulfite to a cyclic sulfate, and opening the cyclic sulfate. The cyclic sulfate is opened, followed by hydrolysis, to form an azido energetic alcohol.12-29-2011
20110267252Non-Cutoff Frequency Selective Surface Ground Plane Antenna Assembly - Described is an apparatus and method for reducing noise in an information bearing signal is provided. A feeding element receives dual-polarized wideband electromagnetic signals. The feeding element is coupled to a Non-Cutoff Frequency Selective Surface ground plane. The Non-Cutoff Frequency Selective Surface ground plane allows for a line-of-sight signal and a surface wave to cancel. The Non-Cutoff Frequency Selective Surface ground plane can be a metal plate with a plurality of corrugations. The corrugations can be concentric rings, each corrugation having a predetermined height and a predetermined spacing from adjacent corrugations.11-03-2011
20110117436Silicon Whisker and Carbon Nanofiber Composite Anode - A carbon nanofiber can have a surface and include at least one crystalline whisker extending from the surface of the carbon nanofiber. A battery anode composition can be formed from a plurality of carbon nanofibers each including a plurality of crystalline whiskers.05-19-2011
20110006957METHOD AND APPARATUS FOR A HIGH-PERFORMANCE COMPACT VOLUMETRIC ANTENNA - A wide-bandwidth antenna (e.g., a rib-dipole antenna) includes a first pole formed by a first conductive member and/or a second pole formed by a second conductive member. The antenna also includes an antenna feed between the first conductive member and the second conductive member. The antenna also includes at least one electrically conductive element including a surface. A portion of the surface is electrically connected to, and extends from, the first conductive member or the second conductive member. The at least one electrically conductive element is capable of conducting a current that generates a magnetic field. The magnetic field lowers a total reactance of the antenna, thereby resulting in enhanced performance of the antenna and more efficient use of volume.01-13-2011
20100195048Adaptive Optics Line Scanning Ophthalmoscope - A first optical module scans a portion of an eye with a line of light, descans reflected light from the scanned portion of the eye and confocally provides output light in a line focus configuration. A detection device detects the output light and images the portion of the eye. A second optical module detects an optical distortion and corrects the optical distortion in the line of light scanned on the portion of the eye.08-05-2010
20100180443Method For Fabricating Structural Propellants - A vehicle includes at least one polyoxymethylene structural support member. The polyoxymethylene structural support member includes a polyoxymethylene component that is a propellant that provides thrust to the vehicle upon pyrolysis or combustion of the polyoxymethylene component of the product of pyrolysis of the polyoxymethylene component. The vehicle can be a satellite or other type of spacecraft.07-22-2010
20100124702High Energy Composite Cathodes for Lithium Ion Batteries - A battery cathode includes carbon particulates, micron-sized particles of vanadium pentoxide modified with poly(pyrrole propanesulphonate), and a polymer binder. The carbon particulates and the micron-sized particles of vanadium pentoxide modified with poly(pyrrole propanesulphonate) are disposed within the polymer binder.05-20-2010
20090320974Polyoxymethylene as structural support member and propellant - A vehicle includes at least one polyoxymethylene structural support member. The polyoxymethylene structural support member includes a polyoxymethylene component that is a propellant that provides thrust to the vehicle upon pyrolysis or combustion of the polyoxymethylene component of the product of pyrolysis of the polyoxymethylene component. The vehicle can be a satellite or other type of spacecraft.12-31-2009
20090313967POLYOXYMETHYLENE AS STRUCTURAL SUPPORT MEMBER AND PROPELLANT - A vehicle includes at least one polyoxymethylene structural support member. The polyoxymethylene structural support member includes a polyoxymethylene component that is a propellant that provides thrust to the vehicle upon pyrolysis or combustion of the polyoxymethylene component of the product of pyrolysis of the polyoxymethylene component. The vehicle can be a satellite or other type of spacecraft.12-24-2009
20090096704Non-Cutoff Frequency Selective Surface Ground Plane Antenna Assembly - Described is an apparatus and method for reducing noise in an information bearing signal is provided. A feeding element receives dual-polarized wideband electromagnetic signals. The feeding element is coupled to a Non-Cutoff Frequency Selective Surface ground plane. The Non-Cutoff Frequency Selective Surface ground plane allows for a line-of-sight signal and a surface wave to cancel. The Non-Cutoff Frequency Selective Surface ground plane can be a metal plate with a plurality of corrugations. The corrugations can be concentric rings, each corrugation having a predetermined height and a predetermined spacing from adjacent corrugations.04-16-2009
20090088766Distraction Osteogenesis Methods and Devices - Methods and devices for distraction osteogenesis are disclosed employing an energy storage device and a controlled release of energy to provide a separating force. For example, bone expansion devices can include a first anchor element attachable to a first segment of bone, a second anchor element attachable to a second segment of bone, and an actuator for applying a separating force between the first and second anchor elements. The actuator can include a potential energy storage device and a controller for releasing energy from the energy storage device to provide the separating force.04-02-2009
20080241490Sprayable Aerogel Insulation - An insulation structure and a method for forming an insulation structure on a surface provide both mechanical integrity and insulative capabilities in applications and environments involving extreme temperatures and compressive forces. The insulation structure includes aerogel agglomerates formed by combining ceramic particles with aerogel particles. The insulation structure may further include ceramic particles. The aerogel agglomerates and ceramic particles are thermally sprayed on a surface to form a graded or layered structure. The method for forming an insulation structure includes spray-drying and post-drying a mixture of ceramic particles, aerogel particles, water, and a binder.10-02-2008
20080202405Launch and Recovery Devices for Water Vehicles and Methods of Use - An embodiment of a launch/recovery device for both surface and underwater vehicles includes a plurality of driven wet-traction members arranged to form a low drag (e.g., water flow-through) ramp design. The wet-traction members provide traction even when wet between the water vehicle and the launch/recovery device. As a result of utilizing driven wet-traction members, the use of conventional hoists, special capture devices such as hooks and tow lines, and personnel located within the water to attach the capture devices to the water vehicle is eliminated. The wet-traction members provide both strength and flexibility to the launch/recovery device. That is, while the wet-traction members are strong enough to support the weight of the water vehicle, they are at the same time flexible enough to deflect a distance (e.g., about 6 to 15 inches) to accommodate a soft landing of the water vehicle on the ramp, while providing recovery forces and motion.08-28-2008

Patent applications by Physical Sciences, Inc.