Patents by Inventor Kenneth D. Swander, Jr.

Kenneth D. Swander, Jr. 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: 4116114
    Abstract: Improved brake actuators of the type having both service chamber and spring emergency-parking chambers utilizing piston in each said chamber (no diaphragms); improved double piston brake actuator wherein the service chamber is inboard of the spring emergency chamber; improved double piston brake actuator having an inboard spring emergency-parking and an outboard service chamber.
    Type: Grant
    Filed: April 19, 1976
    Date of Patent: September 26, 1978
    Assignee: Aeroquip Corporation
    Inventors: Kenneth D. Swander, Jr., Bruce D. Sibley
  • Patent number: 3977308
    Abstract: Improved brake actuators of the type having both service chamber and spring emergency-parking chambers utilizing piston in each said chamber (no diaphragms); improved double piston brake actuator wherein the service chamber is inboard of the spring emergency chamber; improved double piston brake actuator having an inboard spring emergency-parking and an outboard service chamber.
    Type: Grant
    Filed: March 18, 1974
    Date of Patent: August 31, 1976
    Assignee: Aeroquip Corporation
    Inventors: Kenneth D. Swander, Jr., Bruce D. Sibley