Patents by Inventor Christopher J. C. Edwards

Christopher J. C. Edwards 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).

  • Porous carbon structures and methods for their preparation
    Patent number: 4775655
    Abstract: This invention relates to the production of a novel, porous, carbon structure. A stabilised porous polymer comprising cavities joined by interconnecting pores is heated in an inert atmosphere to yield a stable, porous, carbon structure having the inherent structure of the original stabilised polymer.
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: October 4, 1988
    Assignee: Internationale Octrooi Maatschappij "Octropa"
    Inventors: Christopher J. C. Edwards, David A. Hitchen, Martin Sharples
  • Needle destroyer with improved mechanical advantage
    Patent number: 4255996
    Abstract: A device having one embodiment for severing a hypodermic needle at its hub and cannula with a single motion. The device has hub and cannula cutters that are joined at a slidable joint and pivoted at noncoaxial pivot points to provide increased mechanical advantage to the cannula cutter. In another preferred embodiment, the same type cutting mechanism has its cutters spaced so as to sever a hypodermic syringe barrel and a cannula of a needle attached to the syringe barrel in a single motion.
    Type: Grant
    Filed: November 19, 1979
    Date of Patent: March 17, 1981
    Assignee: American Hospital Supply Corporation
    Inventors: Pradip V. Choksi, William D. Christoffel, Christopher J. C. Edwards
  • Hypodermic needle destroyer
    Patent number: D265684
    Type: Grant
    Filed: November 19, 1979
    Date of Patent: August 3, 1982
    Assignee: American Hospital Supply Corporation
    Inventors: William D. Christoffel, Christopher J. C. Edwards