Patents Assigned to Physical Sciences, Inc.
  • Patent number: 9964834
    Abstract: In a high power optical system, a thermal waveguide including an optical material having an index of refraction sensitive to changes in temperature, the rectangular optical material having a first dimension and a second dimension in a horizontal plane and a third dimension in a vertical plane, the third dimension being approximately ten times smaller than the first and second dimension, at least one heat sink thermally coupled to the optical material to establish a one-dimensional thermal gradient across the third dimension of the optical material, the thermal gradient having a parabolic profile across the rectangular optical material, and wherein the optical material is configured to act as a waveguide when a laser beam having a power of greater than one watt is incident upon the optical material.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: May 8, 2018
    Assignee: Physical Sciences, Inc.
    Inventor: Peter F. Moulton
  • Patent number: 9797798
    Abstract: An apparatus for detecting leaks from a gas pipeline or storage system includes a light source configured to emit a beam with at least one spectral component capable of interacting with pipeline gas, a reflector configured to reflect a portion of the beam, an optical detector configured to detect the reflected beam, a signal processing module coupled to the output of the optical detector configured to analyze the detected beam and output a measured concentration value that characterizes the amount of target gas in the beam path, and a statistical processing module coupled to the signal processing module configured to store and analyze the measured concentration value. The statistical processing module is further configured to compute a value based on statistical information associated with the stored plurality of concentration values and compare the computed value to a first predetermined threshold, and transmit a first alarm signal if the computed value is greater than the first predetermined threshold.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: October 24, 2017
    Assignee: Physical Sciences, Inc.
    Inventor: Michael B. Frish
  • Patent number: 9789016
    Abstract: A lightweight flexible patient litter includes, in one example, spaced compression longerons each foldable at spaced legs, a bed between the compression longerons, and a longitudinal truss structure on each side of the litter each including a longeron, its spaced legs, and one or more flexible tension members connected thereto. One or more lateral truss structures may each include opposing legs on each side of the litter and one or more flexible tension members connected thereto. A bed truss structure may include one or more tension members.
    Type: Grant
    Filed: May 13, 2015
    Date of Patent: October 17, 2017
    Assignee: Physical Sciences, Inc.
    Inventors: Peter A. Warren, David J. Shane
  • Patent number: 9655521
    Abstract: A dual-modality apparatus for imaging of biological tissue includes a reflectance confocal microscopy (RCM) imaging apparatus and an optical coherence tomography (OCT) imaging apparatus. A first optical component reflects a first beam of light provided by a RCM imaging apparatus towards a sample and passes a second beam of light provided by an OCT imaging apparatus towards the sample, such that the first and second beam of lights share at least a portion of an imaging path.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: May 23, 2017
    Assignees: Physical Sciences, Inc., Memorial Sloan-Kettering Cancer Center
    Inventors: Nicusor V. Iftimia, Mircea Mujat, R. Daniel Ferguson, Ankit H. Patel, Milind Rajadhyaksha
  • Patent number: 9647414
    Abstract: A laser and methods for providing a continuous wave output beam. The laser and method includes positioning a micro-plasma chip capable of creating micro-plasmas within a resonant cavity. A gas is input into the resonant cavity and flows around the micro-plasma chip. Micro-plasmas ignite and excite the gas to create metastables. The metastables are further excited by an optical pump having an energy sufficient to cause the metastables to lase.
    Type: Grant
    Filed: January 30, 2014
    Date of Patent: May 9, 2017
    Assignee: Physical Sciences, Inc.
    Inventors: W. Terry Rawlins, Steven J. Davis, Kristin Galbally-Kinney, Jeffrey Hopwood, Alan Hoskinson
  • Patent number: 9546101
    Abstract: An apparatus for the concentration of suspended algae particles in an aqueous solution. The apparatus includes an electrolytic cell containing at least an anode and a cathode, and a filter. The electrolytic cell receives a solution containing suspended algae particles therein. A power supply is near the filter. A zone of depleted suspended algae particles is near the filter, formed under the influence of an applied electric field from the power supply.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: January 17, 2017
    Assignees: FARADAY TECHNOLOGY, INC., PHYSICAL SCIENCES, INC.
    Inventors: E. Jennings Taylor, Maria E. Inman, Joseph Kell, Heather McCrabb, Anthony Ferrante, Ross Youngs, John Nicholas Meister, James Robert Cook
  • Publication number: 20160301182
    Abstract: A laser and methods for providing a continuous wave output beam. The laser and method includes positioning a micro-plasma chip capable of creating micro-plasmas within a resonant cavity. A gas is input into the resonant cavity and flows around the micro-plasma chip. Micro-plasmas ignite and excite the gas to create metastables. The metastables are further excited by an optical pump having an energy sufficient to cause the metastables to lase.
    Type: Application
    Filed: January 30, 2014
    Publication date: October 13, 2016
    Applicant: Physical Sciences, Inc.
    Inventors: W. Terry Rawlins, Steven J. Davis
  • Patent number: 9466939
    Abstract: A method of operating a Tm:doped fiber amplifier including selecting a length of Tm:doped optical fiber to be less than one hundred meters, doping the optical fiber with active ions at a doping level of greater than one percent, optically pumping the doped optical fiber with a first laser beam having a wavelength longer than the wavelength where a maximum absorption cross section is provided by the active ions, and creating a population inversion between two active ion energy levels with the first laser beam, the active ions providing a gain to a second laser beam.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: October 11, 2016
    Assignee: Physical Sciences, Inc.
    Inventors: Peter F. Moulton, Robert Stegeman
  • Patent number: 9394586
    Abstract: The coal ash can be sorted into groups of substantially unburned carbon and substantially burned carbon. The substantially unburned carbon or the substantially burned carbon can be magnetically treated to cause separation into a substantially magnetic portion and a substantially non-magnetic portion. The substantially magnetic portion or the substantially non-magnetic portion can be filtered into a substantially course portion and a substantially fine portion. The substantially coarse portion or the substantially fine portion can be treated with a mineral acid to form an aqueous mineral acid solution. The aqueous mineral acid solution can be extracted to form an organic solution that includes the rare earth salts. The organic solution can be mixed with water to form an aqueous solution that includes the rare earth salts. The rare earth salts can be separated from the aqueous solution.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: July 19, 2016
    Assignee: Physical Sciences, Inc.
    Inventors: Prakash B. Joshi, Dorin V. Preda, David A. Skyler, Anait Scherer, B. David Green, William J. Marinelli
  • Patent number: 9388090
    Abstract: A catalyst free method of igniting an ionic liquid is provided. The method can include mixing a liquid hypergol with a HAN-based ionic liquid to ignite the HAN-based ionic liquid in the absence of a catalyst. The HAN-based ionic liquid and the liquid hypergol can be injected into a combustion chamber. The HAN-based ionic liquid and the liquid hypergol can impinge upon a stagnation plate positioned at top portion of the combustion chamber.
    Type: Grant
    Filed: October 11, 2012
    Date of Patent: July 12, 2016
    Assignee: Physical Sciences, Inc.
    Inventors: Prakash B. Joshi, Lawrence G. Piper, David B. Oakes, Justin L. Sabourin, Adam J. Hicks, B. David Green, Anait Tsinberg, Allan Dokhan
  • Publication number: 20150291455
    Abstract: An apparatus for the concentration of suspended algae particles in an aqueous solution. The apparatus includes an electrolytic cell containing at least an anode and a cathode, and a filter. The electrolytic cell receives a solution containing suspended algae particles therein. A power supply is near the filter. A zone of depleted suspended algae particles is near the filter, formed under the influence of an applied electric field from the power supply.
    Type: Application
    Filed: June 24, 2015
    Publication date: October 15, 2015
    Applicants: Faraday Technology, Inc., Algaeventure Systems, Physical Sciences, Inc.
    Inventors: E. Jennings Taylor, Maria E. Inman, Joseph Kell, Heather McCrabb, Anthony Ferrante, Ross Youngs, John Nicholas Meister, James Robert Cook
  • Patent number: 9108370
    Abstract: A method of forming a metalized polymeric bubble in a space, microgravity environment is described. A liquid polymer bubble having a predetermined diameter is formed from a mixture comprising a liquid polymer and at least one of a UV curing material, a stabilizer, a UV absorber, or a surfactant. The liquid polymer bubble is cured with radiation to form a rigid polymer bubble. The rigid polymer bubble is then metalized with a metal to form the metalized polymeric bubble.
    Type: Grant
    Filed: October 18, 2012
    Date of Patent: August 18, 2015
    Assignee: Physical Sciences, Inc.
    Inventors: Prakash B. Joshi, David B. Oakes, Edward J. Salley, Allan Dokhan, Kophu Chiang, Alan Gelb, John Hagge, B. David Green
  • Patent number: 9095808
    Abstract: 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.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: August 4, 2015
    Assignees: Physical Sciences, Inc., Faraday Technology, Inc.
    Inventors: E. Jennings Taylor, Maria I. Inman, Joseph Kell, Heather McCrabb, Anthony Ferrante, Ross Youngs, John Nicholas Meister, James Robert Cook
  • Patent number: 9088048
    Abstract: 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.
    Type: Grant
    Filed: November 17, 2010
    Date of Patent: July 21, 2015
    Assignee: Physical Sciences, Inc.
    Inventors: Junqing Ma, Aron Newman, John Lennhoff
  • Patent number: 9036676
    Abstract: Singlet oxygen metastables can be formed. A catalytic coating is formed on an interior surface of a flow reactor, and an oxygen containing species is flowed into the flow reactor to produce singlet oxygen metastables by a chemical reaction in the presence of the catalytic coating.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: May 19, 2015
    Assignee: Physical Sciences, Inc.
    Inventors: W. Terry Rawlins, Seonkyung Lee, Steven J. Davis
  • Patent number: 8980158
    Abstract: 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.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: March 17, 2015
    Assignee: Physical Sciences, Inc.
    Inventor: John D. Lennhoff
  • Patent number: 8968688
    Abstract: Rare earth elements are recovered from coal ash. The coal ash with rare earth elements can be treated with a mineral acid to form an aqueous mineral acid solution. The aqueous mineral acid solution can be extracted to form an organic solution that includes the rare earth salts. The organic solution can be mixed with water to form an aqueous solution that includes the rare earth salts. The rare earth elements are separated from the aqueous solution.
    Type: Grant
    Filed: April 17, 2013
    Date of Patent: March 3, 2015
    Assignee: Physical Sciences, Inc.
    Inventors: Prakash B. Joshi, Dorin V. Preda, David A. Skyler, Anait Tsinberg, B. David Green, William J. Marinelli
  • Publication number: 20150054650
    Abstract: An apparatus for detecting leaks from a gas pipeline or storage system includes a light source configured to emit a beam with at least one spectral component capable of interacting with pipeline gas, a reflector configured to reflect a portion of the beam, an optical detector configured to detect the reflected beam, a signal processing module coupled to the output of the optical detector configured to analyze the detected beam and output a measured concentration value that characterizes the amount of target gas in the beam path, and a statistical processing module coupled to the signal processing module configured to store and analyze the measured concentration value. The statistical processing module is further configured to compute a value based on statistical information associated with the stored plurality of concentration values and compare the computed value to a first predetermined threshold, and transmit a first alarm signal if the computed value is greater than the first predetermined threshold.
    Type: Application
    Filed: January 24, 2014
    Publication date: February 26, 2015
    Applicant: Physical Sciences, Inc.
    Inventor: Michael B. Frish
  • Patent number: 8962888
    Abstract: Methods for forming spherical crystal habit are shown. A needle-shaped crystal habit, a solvent, and a surfactant are combined and dissolved forming a first solution. The first solution and an anti-solvent are combined forming a second solution. The second solution is cooled. Spherical crystal habit is formed.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: February 24, 2015
    Assignee: Physical Sciences, Inc.
    Inventors: Dorin V. Preda, Prakash B. Joshi, Anait (Tsinberg) Scherer, Laurel A. Vernarelli
  • Patent number: 8911144
    Abstract: A product critical temperature during freeze drying is determined. The product is imaged using optical coherence tomography (“OCT”). The product is freeze dried while the temperature of the product is measured. The product critical temperature is the temperature at which a product structure event occurs during freeze drying.
    Type: Grant
    Filed: April 24, 2012
    Date of Patent: December 16, 2014
    Assignee: Physical Sciences, Inc.
    Inventors: Mircea Mujat, William J. Kessler