Patents by Inventor Gary Thomas Miller

Gary Thomas Miller 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).

  • Patent number: 6920819
    Abstract: A piston and ring assembly for a compressor that may be used in a vehicle air conditioning system. The assembly comprises a piston and a ring located within a cylinder bore. The ring has a frustoconical shape and the piston has a complementary frustoconical groove. The ring is a parallelogram in cross-section.
    Type: Grant
    Filed: March 25, 2003
    Date of Patent: July 26, 2005
    Assignee: Delphi Technologies, Inc.
    Inventor: Gary Thomas Miller
  • Publication number: 20040187679
    Abstract: A piston and ring assembly for a compressor that may be used in a vehicle air conditioning system. The assembly comprises a piston and a ring located within a cylinder bore. The ring has a frustoconical shape and the piston has a complementary frustoconical groove. The ring is a parallelogram in cross-section.
    Type: Application
    Filed: March 25, 2003
    Publication date: September 30, 2004
    Inventor: Gary Thomas Miller