Patents by Inventor Theodore E. Armstrong

Theodore E. Armstrong 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).

  • Air suspension system with automatic air exhaust and inflation
    Patent number: 4736958
    Abstract: An air control system for an air suspension which supports a vehicle body on an axle having ground engageing wheels. A control valve mounted adjacent a door of the vehicle is operated by opening the door to dump air from the air springs and to deactivate a height control valve for the air springs. Upon closing the door, the control valve disables the dumping system and re-enables the height control valve for automatic reinflation of the air springs.
    Type: Grant
    Filed: April 14, 1986
    Date of Patent: April 12, 1988
    Assignee: Lear Siegler, Inc.
    Inventor: Theodore E. Armstrong