Patents by Inventor Christopher Lawrence Clarke

Christopher Lawrence Clarke 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).

  • Dielectric welding methods and apparatus
    Patent number: 7208711
    Abstract: Dielectric welding apparatus has opposed electrodes that can be engaged on either side of a product to be welded and a dielectric welding power supply that supplies welding potentials to the electrodes. The apparatus includes electrically insulating buffer material adjacent to at least one of the electrodes. A recess formed in a surface of the buffer material receives an end of an electrically-conductive member in the product. The buffer material prevents arcing between the electrodes and the electrically-conductive member.
    Type: Grant
    Filed: May 13, 2005
    Date of Patent: April 24, 2007
    Assignee: Coolhead Technologies, Inc.
    Inventors: R. David Fletcher, Christopher Lawrence Clarke