Patents by Inventor James H. Carder

James H. Carder 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).

  • Fatigue testing apparatus
    Patent number: 4979396
    Abstract: A pair of wire specimens supported within a transparent frame established by two sets of pulleys are interconnected between a common powered rotor and a pair of wire tensioning weights protectively enclosed by plastic sheathings. The wire specimens are simultaneously and cyclically displaced along direction changing paths through test medium during a testing operation terminated in response to rupture detected by sensing switches engaged by the weights.
    Type: Grant
    Filed: February 23, 1990
    Date of Patent: December 25, 1990
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: James H. Carder, Anh Le
  • Stibine filter and antimonial lead acid batteries
    Patent number: H816
    Abstract: Stibine is removed from gases generated in antimonial lead-acid batteries by using a filter having carbon powder (especially activated charcoal) as the active agent.
    Type: Grant
    Filed: June 3, 1986
    Date of Patent: September 4, 1990
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: James H. Carder, Anh H. Le, Chester M. Dacres