Patents by Inventor Russell E. Janke

Russell E. Janke 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).

  • Filter thermal bypass valve
    Patent number: 4181611
    Abstract: A filter thermal bypass valve has an opening defining a seat, a thermal actuator including a plunger capable of being forced toward the seat in response to increases in temperature, a spring retainer capable of movement toward and away from the seat, a rod member affixed to the spring retainer and having an enlarged head portion with a valve plate slidable thereon, a first compression spring forces the retainer in contact with the plunger and a second compression spring urges the valve plate against the seat.
    Type: Grant
    Filed: January 22, 1979
    Date of Patent: January 1, 1980
    Assignee: International Harvester Company
    Inventors: Raymond D. Rubenstein, Russell E. Janke, Charles L. Rescorla