Patents by Inventor Gary F. Stack

Gary F. Stack 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).

  • Quick heat self regulating electric glow heater
    Patent number: 4423309
    Abstract: A sheathed electric heater especially of the type used as diesel engine glow plugs has a dual coil heating element including separate tip heater and PTC body control coils thermally isolated by a low resistance connector section made from interengaging small diameter coiled connector portions integral with the tip and body coils and preferably welded together. Preferred material and dimensional specifications and pertinent design considerations are also included.
    Type: Grant
    Filed: June 28, 1982
    Date of Patent: December 27, 1983
    Assignee: General Motors Corporation
    Inventors: Michael P. Murphy, Gary F. Stack, James W. Hoppenrath, John R. Taylor
  • Pressure vessel
    Patent number: 4106659
    Abstract: A pressure vessel having a band compressed onto a lockseam to angle the latter under an end plate for increased seam strength.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: August 15, 1978
    Assignee: General Motors Corporation
    Inventors: Richard G. Dent, Gary F. Stack
  • Liquid filter
    Patent number: 3957640
    Abstract: An oil filter having an elastomeric anti-drainback valve with an integral flap that deflects within the tolerance stack-up of the assembled filter parts to effect sealing in lieu of requiring, for example, the conventional metal spring bias.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: May 18, 1976
    Assignee: General Motors Corporation
    Inventor: Gary F. Stack
  • Combined filter and connector
    Patent number: D363759
    Type: Grant
    Filed: May 11, 1994
    Date of Patent: October 31, 1995
    Assignee: SPX Corporation
    Inventors: Gary Schafer, Gary F. Stack