Patents by Inventor Gary A. Halstead

Gary A. Halstead 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).

  • Method of making a combination radiator and condenser apparatus for motor vehicle
    Patent number: 5129144
    Abstract: A combination radiator and condenser apparatus has a pair of extruded tank and header assemblies adapted to be connected in both a coolant system for liquid cooled engine and a refrigerant system of an automobile air conditioning system.
    Type: Grant
    Filed: January 8, 1991
    Date of Patent: July 14, 1992
    Assignee: General Motors Corporation
    Inventors: Gary A. Halstead, Ronald C. Treloar
  • Heat exchanger with an extruded tank
    Patent number: 5062476
    Abstract: A heat exchanger assembly has a pair of spaced extruded tanks and a tube and header subassembly including a pair of header plates on opposite ends of a plurality of spaced parallel tubes. The extruded tanks include stop surfaces thereon for locating the subassembly within the extruded tanks and the extruded tanks further include a pair of seal ribs and a pair of deformable side flanges defining a pocket for receiving flux material to secure the subassembly to the extruded tanks without exposing the flux material to the interior of the extruded tanks.
    Type: Grant
    Filed: February 28, 1991
    Date of Patent: November 5, 1991
    Assignee: General Motors Corporation
    Inventors: Richard P. Ryan, Glenn W. Shaffer, Gary A. Halstead, David M. Smith, Shrikant M. Joshi
  • Combination radiator and condenser apparatus for motor vehicle
    Patent number: 5009262
    Abstract: A combination radiator and condenser apparatus has a pair of extruded tank and header assemblies adapted to be connected in both a coolant system for liquid cooled engine and a refrigerant system of an automobile air conditioning system.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: April 23, 1991
    Assignee: General Motors Corporation
    Inventors: Gary A. Halstead, Ronald C. Treloar