Patents by Inventor Donald C. Briggs

Donald C. Briggs has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5862462
    Abstract: A satellite is formed with a signal translation and amplification system which includes at least one communication path. Each communication path includes a plurality of radiation-cooled TWTs powered by a single EPC. Also included in the communication path is a high efficiency radiation panel capable of transmitting heat generated by said TWTs and EPC into space; as well as a radiating collector which is directly applied to each TWT, and is capable of transmitting heat generated by said TWT into space.
    Type: Grant
    Filed: July 12, 1996
    Date of Patent: January 19, 1999
    Assignee: Space Systems/Loral, Inc.
    Inventors: Randall D. Tyner, Donald C. Briggs, Daniel E. Collins, William R. Avellino
  • Patent number: 5649310
    Abstract: A satellite is formed with a signal translation and amplification system which includes at least one communication path. Each communication path includes a plurality of radiation-cooled TWTs powered by a single EPC. Also included in the communication path is a high efficiency radiation panel capable of transmitting heat generated by said TWTs and EPC into space; as well as a radiating collector which is directly applied to each TWT, and is capable of transmitting heat generated by said TWT into space.
    Type: Grant
    Filed: June 15, 1994
    Date of Patent: July 15, 1997
    Assignee: Space Systems/Loral, Inc.
    Inventors: Randall D. Tyner, Donald C. Briggs, Daniel E. Collins, William R. Avellino
  • Patent number: 5472805
    Abstract: The invention is directed to an electrically conductive current collector suitable for use in corrosive environments at high temperatures. The current collector comprises a shaped carbon/carbon material consisting of a woven arrangement of substantially continuous carbon filaments having a high tensile modulus impregnated with carbon particulate. The invention is also directed sodium/sulfur batteries employing same, generally as the current collector/container.
    Type: Grant
    Filed: December 7, 1987
    Date of Patent: December 5, 1995
    Assignee: Space Systems/Loral, Inc.
    Inventors: Donald C. Briggs, Harold L. Hillesland, Brian D. Lewis
  • Patent number: 4074018
    Abstract: This application discloses a secondary fuel cell having improved electrode zones. Each cell has two electrode zones each containing a pair of electrode structures. A first such electrode structure in each zone is more efficient in operation during discharge of the fuel cell. Electrical structure is provided so that the first electrode structures are utilized during charging of the fuel cell and the second electrode structures are utilized during discharge of the fuel cell. The size and configuration of each of the electrode structures is a variable depending upon the particular cycle the fuel cell is to be subjected to in operation.
    Type: Grant
    Filed: May 4, 1977
    Date of Patent: February 14, 1978
    Assignee: Ford Aerospace & Communications Corporation
    Inventors: Ronald J. Haas, Donald C. Briggs
  • Patent number: 4004067
    Abstract: A rechargeable electrochemical cell is disclosed which includes both a cathode and a gas generating and consuming anode housed within a closed container. A storage volume is provided within the container for storing the gas used by the cell. A capillary mat lining material is provided throughout the gas storage volume of the cell. This lining material is in liquid transfer contact with a separator and electrolyte storage material located between the electrodes of the cell. If any electrolyte (i.e. water) of the cell is vaporized into the gas storage volume, the electrolyte will condense on the lining material and be conducted back to the separator and electrolyte storage material positioned between the electrodes.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: January 18, 1977
    Assignee: Aeronutronic Ford Corporation
    Inventors: Donald C. Briggs, Ronald J. Haas
  • Patent number: 4004068
    Abstract: A rechargeable electrochemical cell is disclosed which includes both a cathode and a gas generating and consuming anode housed within a closed container. A closed volume is provided within the container for storing the gas used by the cell. A separator and electrolyte storage material is located between the electrodes of the cell. A reservoir is formed of a material capable of storing electrolyte. This reservoir is in liquid transfer contact with the separator and electrolyte storage material between the electrodes. If any electrolyte of the cell stored in the separator and electrolyte storage material is vaporized into the gas storage volume, such electrolyte is replaced by transfer of electrolyte from the reservoir to the separator and electrolyte storage material.
    Type: Grant
    Filed: June 7, 1976
    Date of Patent: January 18, 1977
    Assignee: Aeronutronic Ford Corporation
    Inventors: Donald C. Briggs, Ronald J. Haas