Patents by Inventor Clifton Thompson

Clifton Thompson 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).

  • Publication number: 20080012342
    Abstract: A modular, uniform system for the design, manufacture, transporting and installation of ductwork has uniform modules that are reinforced with stiffeners and coupled together in pairs. The module pairs are then attached to one another as they are being installed. Additional support beams and struts are also installed on site. As many of the module pairs as are desired may be fitted together to form a duct system of any desired length.
    Type: Application
    Filed: October 30, 2006
    Publication date: January 17, 2008
    Inventors: Robert Elliott, Mark Downing, Mark Amundsen, Clifton Thompson
  • Patent number: 3970924
    Abstract: Test apparatus is disclosed which provides continuous non-destructive tests for faults in insulation coatings on wire. Means are provided for counting detected faults and actuating an alarm when the fault rate exceeds an undesired limit for any predetermined incremental length of wire. Switch means are provided which automatically adjust measuring sensitivity to correspond with the switch selected D-C test voltage applied to the insulation under test.
    Type: Grant
    Filed: January 16, 1974
    Date of Patent: July 20, 1976
    Assignee: Anaconda Wire & Cable Company
    Inventors: Wesley William Pendleton, Robert Clifton Thompson