Patents by Inventor Robert N. Cornish

Robert N. Cornish 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).

  • Thermostatically controlled fan clutch
    Patent number: 4231457
    Abstract: A thermostatically controlled fan clutch having input and output members journalled about a fixed support shaft. A series of clutch plates are alternately connected to the input and output members. An annular piston housing and piston rotate with the input member and are pressurized to engage the clutches. A bore extends through the piston and connects with an annular groove on its contact face to control clutch engagement and assist in disengagement.
    Type: Grant
    Filed: March 6, 1978
    Date of Patent: November 4, 1980
    Assignee: Holset Engineering Company Limited
    Inventor: Robert N. Cornish