Patents by Inventor Thomas F. Reiff

Thomas F. Reiff 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).

  • Turn-over seal
    Patent number: 4526377
    Abstract: A ring seal for protecting a designated area from ambient contamination is alternately placeable into its sealing and non-sealing positions. The ring seal permits a limited travel between the sealable surfaces without compromising the seal integrity. The ring seal facilitates an interference-free installation and selective maintenance of the sealable parts.
    Type: Grant
    Filed: September 6, 1983
    Date of Patent: July 2, 1985
    Assignee: J. I. Case Company
    Inventors: Richard A. Hale, Nils O. Olsson, Thomas F. Reiff
  • Check valve assembly with actuator
    Patent number: 4354931
    Abstract: A check valve assembly regulating the fluid flow between the fluid reservoir and filter cartridge chamber is actuated by a valve actuating member movable through and controllable exteriorly of a filter system housing without compromising the housing leak integrity. The actuating member may perform another function of a drain plug for the filter chamber, so that upon removal of the member the check valve assembly will be closed and the chamber fluid drained through a drain plug opening without loss of the reservoir fluid.
    Type: Grant
    Filed: April 13, 1981
    Date of Patent: October 19, 1982
    Assignee: International Harvester Co.
    Inventors: Aldo Allori, John A. Wilger, Thomas F. Reiff