Patents by Inventor James G. Martindale

James G. Martindale 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).

  • Fluid perforating/cutting nozzle
    Patent number: 7832481
    Abstract: The fluid perforating/cutting nozzle is configured to provide long life to the nozzle. The nozzle is composed of a cylindrical shaft defining a bore for the passage of cutting fluid and having inlet and outlet ends, a shank portion and a relatively large diameter shroud disposed on the outlet end. The shroud protects both the nozzle and the tool from the high pressure cutting fluid reflecting off the surface of a workpiece.
    Type: Grant
    Filed: August 20, 2008
    Date of Patent: November 16, 2010
    Inventor: James G. Martindale
  • Fluid perforating/cutting nozzle
    Publication number: 20100044025
    Abstract: The fluid perforating/cutting nozzle is configured to provide long life to the nozzle. The nozzle is composed of a cylindrical shaft defining a bore for the passage of cutting fluid and having inlet and outlet ends, a shank portion and a relatively large diameter shroud disposed on the outlet end. The shroud protects both the nozzle and the tool from the high pressure cutting fluid reflecting off the surface of a workpiece.
    Type: Application
    Filed: August 20, 2008
    Publication date: February 25, 2010
    Inventor: James G. Martindale
  • Apparatus and method of preserving the viability of animal organs
    Patent number: 5051352
    Abstract: An apparatus and method of maintaining the viability of animal organs, and in particular human organs, by controlling the storage temperature of the organ and providing the organ with sufficient nutrients and oxygen, while also monitoring and maintaining the organ's transmembrane potential within a predefined range.
    Type: Grant
    Filed: October 7, 1987
    Date of Patent: September 24, 1991
    Assignee: The Regents of the University of California
    Inventors: James G. Martindale, Ralph E. Purdy, George L. Stupecky, Ronny G. Tidwell