Patents Represented by Attorney Philip H. Schlazer

Find this attorney in the Justia Lawyer Directory

  • Method of activating hydrogen storage alloy electrode
    Patent number: 6605375
    Abstract: A method of activating a hydrogen storage alloy electrode. The method comprises the step of applying current cycles to the electrode where each current cycle includes a forward pulse effective to at least partially charge the electrode and a reverse pulse effective to at least partially discharge the electrode.
    Type: Grant
    Filed: February 28, 2001
    Date of Patent: August 12, 2003
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Stanford R. Ovshinsky, Boyko Aladjov, Srinivasan Venkatesan, Subhash K. Dhar, Thomas Hopper, Kevin Fok
  • Method of fuel cell activation
    Patent number: 6589686
    Abstract: A method of activating a metal hydride electrode of an alkaline fuel cell. The method comprises the step of applying current cycles to the anode where each current cycle includes a forward current effective to at least partially charge the electrode and a reverse current effective to at least partially discharge the electrode.
    Type: Grant
    Filed: January 8, 2002
    Date of Patent: July 8, 2003
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Stanford R. Ovshinsky, Boyko Aladjov, Srinivasan Venkatesan, Subhash K. Dhar, Thomas Hopper, Kevin Fok
  • Method for making programmable resistance memory element using silylated photoresist
    Patent number: 6589714
    Abstract: A method of making a electrically operated programmable resistance memory element. A silylated photoresist sidewall spacer is used as a mask for form raised portions on an edge of a conductive layer. The modified conductive layer is used as an electrode for the memory element.
    Type: Grant
    Filed: June 26, 2001
    Date of Patent: July 8, 2003
    Assignee: Ovonyx, Inc.
    Inventors: Jon Maimon, Andrew Pomerene
  • Composite positive electrode material and method for making same
    Patent number: 6569566
    Abstract: A method for making a composite positive electrode material for use in electrochemical cells. The composite material comprises a particle of positive electrode material and a nucleating particle at least partially embedded within the interior of the particle of positive electrode material.
    Type: Grant
    Filed: December 30, 2000
    Date of Patent: May 27, 2003
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Michael A. Fetcenko, Christian Fierro, Stanford R. Ovshinsky, Beth Sommers, Benjamin Reichman, Kwo Young, William Mays
  • Method of activating metal hydride material and electrode
    Patent number: 6569567
    Abstract: A method of activating a hydrogen storage alloy or a hydrogen storage alloy electrode. The method includes the step of contacting the hydrogen storage alloy or hydrogen storage alloy electrode with an aqueous solution of an alkali metal hydroxide where the concentration of the alkali metal hydroxide is at least about 40 weight percent. The method produces a hydrogen storage alloy and hydrogen storage alloy electrode with increased surface area.
    Type: Grant
    Filed: September 13, 1999
    Date of Patent: May 27, 2003
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Benjamin Reichman, William Mays, Michael A. Fetcenko
  • Hybrid electric vehicle
    Patent number: 6557655
    Abstract: A hybrid electric vehicle drive system comprising a combustion engine, an electric motor and at least one nickel-metal hydride battery module forming a power source for providing electric power to the electric motor, the at least one nickel-metal hydride battery module having a peak power density in relation to energy density as defined by: P>1,375−15E where P is the peak power density as measured in Watts/kilogram and E is the energy density as measured in Watt-hours/kilogram.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: May 6, 2003
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Stanford R. Ovshinsky, Robert C. Stempel
  • Composite positive electrode material and method for making same
    Patent number: 6548209
    Abstract: A composite positive electrode material for use in electrochemical cells. The composite material includes a particle of positive electrode material and a nucleating particle at least partially embedded within the interior of the particle of positive electrode material.
    Type: Grant
    Filed: December 30, 2000
    Date of Patent: April 15, 2003
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Michael A. Fetcenko, Christian Fierro, Stanford R. Ovshinsky, Beth Sommers, Benjamin Reichman, Kwo Young, William Mays
  • Nickel positive electrode material with misch metal additives
    Patent number: 6537700
    Abstract: An active material mixture for use in a paste for fabricating positive electrodes, comprising a nickel hydroxide material, and an additive material comprising at least one material selected from the group consisting of a misch metal or a misch metal alloy. A nickel positive electrode and an alkaline electrochemical cell using this active material mixture.
    Type: Grant
    Filed: November 7, 2000
    Date of Patent: March 25, 2003
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Stanford R. Ovshinsky, Boyko Aladjov, Srinivasan Venkatesan, Subhash K. Dhar
  • Layered metal hydride electrode providing reduced cell pressure
    Patent number: 6503659
    Abstract: A layered hydrogen absorbing alloy electrode for an alkaline electrochemical cell. The layered electrode comprises a outer layer comprising a metal oxide, metal sulfide or mixtures thereof. The outer layer reduces the internal pressure of electrochemical cell.
    Type: Grant
    Filed: July 13, 1999
    Date of Patent: January 7, 2003
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Stanford R. Ovshinsky, Srinivasan Venkatesan, Boyko Aladjov, Kevin Fok, Thomas J. Hopper, Lynn Taylor
  • Electrochemical cell having reduced cell pressure
    Patent number: 6492057
    Abstract: An alkaline electrochemical cell having a hydrogen absorbing alloy negative electrode. The electrochemical cell comprises an alkaline electrolyte comprising an additive material which reduces cell pressure by decreasing hydrogen gas evolution.
    Type: Grant
    Filed: April 14, 1999
    Date of Patent: December 10, 2002
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Stanford R. Ovshinsky, Srinivasan Venkatesan, Boyko Alajov, Kevin Fok, Thomas J. Hopper, James L. Strebe
  • Method for making hydrogen storage alloy
    Patent number: 6478844
    Abstract: A method for making a hydrided hydrogen storage alloy powder from component material. In the present method a material is worked at the same time it is hydrided. Working preferably involves comminution of the material.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: November 12, 2002
    Assignee: Energy Conversion Devices, Inc.
    Inventor: Stanford R. Ovshinsky
  • Composite positive electrode material and method for making same
    Patent number: 6348285
    Abstract: A method for making a composite positive electrode material for use in electrochemical cells. The composite material includes a particle of positive electrode material and a conductive material at least partially embedded within the interior of the particle of positive electrode material.
    Type: Grant
    Filed: December 30, 2000
    Date of Patent: February 19, 2002
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Michael A. Fetcenko, Christian Fierro, Stanford R. Ovshinsky, Beth Sommers, Benjamin Reichman, Kwo Young, William Mays
  • Method for combining metals with different melting points
    Patent number: 6340376
    Abstract: A method for combining a first metal with a second metal where the melting point of the second metal is higher than the melting point of the first metal. The first and second metals are melted in separate crucibles. The second molten metal is introduced onto or into the first molten metal. Also described is a two-zone furnace for carrying out the method.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: January 22, 2002
    Assignee: Energy Conversion Devices, Inc.
    Inventors: Krishna Sapru, Subramanian Ramachandran, Lu Ming
  • Hybrid electric vehicle incorporating an integrated propulsion system
    Patent number: 6330925
    Abstract: A hybrid electric vehicle drive system comprising a combustion engine, an electric motor and at least one nickel metal hydride battery module forming a power source for providing electric power to the electric motor, the at least one nickel metal battery module having a peak power density in relation to energy density as defined by: P>1,420−16E where P is the peak power density as measured in Watts/kilogram and E is the energy density as measured in Watt-hours/kilogram.
    Type: Grant
    Filed: November 24, 1997
    Date of Patent: December 18, 2001
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Stanford R. Ovshinsky, Robert C. Stempel
  • Programmable resistance memory arrays with reference cells
    Patent number: 6314014
    Abstract: A memory system comprising memory cells and reference cells each including a programmable resistance element. The resistance state of a memory cell is determined by comparing a sense signal developed by the memory cell with a reference signal developed by one or more of the reference cells. The programmable resistance elements may comprise a phase-change material.
    Type: Grant
    Filed: December 16, 1999
    Date of Patent: November 6, 2001
    Assignee: Ovonyx, Inc.
    Inventors: Tyler Lowrey, Guy C. Wicker
  • Monoblock battery assembly
    Patent number: 6255015
    Abstract: A multiple cell monoblock battery in which a plurality of electrochemical cells are disposed in a plastic or metal case and each of the cells includes an enclosure providing for gas to exit while preventing electrolyte to exit the enclosure. A novel integral system of flow channels allows liquid coolant to flow between adjacent cells. Other special features, such as cell interconnections are described.
    Type: Grant
    Filed: August 23, 1998
    Date of Patent: July 3, 2001
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Dennis A. Corrigan, Philippe Gow, Lin R. Higley, Marshall D. Muller, Anthony Osgood, Stanford R. Ovshinsky, Joshua Payne, Rajeev Puttaiah
  • Active electrode compositions comprising Raney based catalysts and materials
    Patent number: 6218047
    Abstract: An active composition for the electrode of an alkaline electrochemical cell. The active composition comprises an active electrode material and an additive material selected from the group consisting of a Raney alloy, and a Raney catalyst. The active composition may be used to form metal hydride electrodes.
    Type: Grant
    Filed: April 8, 1999
    Date of Patent: April 17, 2001
    Assignee: Ovonic Battery Company, Inc.
    Inventors: Stanford R. Ovshinsky, Srinivasan Venkatesan, Boyko Alajov, Thomas J. Hopper, Kevin Fok
  • Large area microwave plasma apparatus with adaptable applicator
    Patent number: 6209482
    Abstract: A microwave apparatus for sustaining a substantially uniform plasma over a relatively large area. The microwave apparatus comprises a vacuum vessel for sustaining the plasma in a plasma region thereof. The apparatus further comprises a nonevanescent microwave applicator having means for controlling the cutoff frequency thereof. The microwave applicator may comprise a waveguide and a volume of dielectric material disposed within the waveguide. Alternately, the microwave applicator may comprise ridge waveguide.
    Type: Grant
    Filed: October 1, 1997
    Date of Patent: April 3, 2001
    Assignee: Energy Conversion Devices, Inc.
    Inventor: Joachim Doehler
  • High storage capacity alloys enabling a hydrogen-based ecosystem
    Patent number: 6193929
    Abstract: Hydrogen propelled vehicles and fundamentally new magnesium-based hydrogen storage alloy materials which for the first time make it feasible and practical to use solid state storage and delivery of hydrogen to power internal combustion engine or fuel cell vehicles. These exceptional alloys have remarkable hydrogen storage capacity of well over 6 weight % coupled with extraordinary absorption kinetics such that the alloy powder absorbs 80% of its total capacity within 2 minutes at 300° C.
    Type: Grant
    Filed: November 6, 1999
    Date of Patent: February 27, 2001
    Assignee: Energy Conversion Devices, Inc.
    Inventors: Stanford R. Ovshinsky, Rosa T. Young
  • Multibit single cell memory element having tapered contact
    Patent number: RE37259
    Abstract: An electrically operated, directly overwritable, multibit, single-cell chalcogenide memory element with multibit storage capabilities and having at least one contact for supplying electrical input signals to set the memory element to a selected resistance value, the second contact tapering to a peak adjacent to the memory element. In this manner the tapered contact helps define the size and position of a conduction path through the memory element.
    Type: Grant
    Filed: November 8, 1999
    Date of Patent: July 3, 2001
    Assignee: Energy Conversion Devices, Inc.
    Inventor: Stanford R. Ovshinsky