Patents by Inventor Harjinder Singh Chauhan

Harjinder Singh Chauhan 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: 4050559
    Abstract: A viscous shear rotary coupling comprises a rotary member mounted coaxially within a rotary housing is rotatable relative to the housing and has surfaces which are close to but spaced from internal surfaces of the housing. The spaces between these surfaces are occupied, in operation of the coupling by a viscous liquid. The rotary member is made up from a hollow steel shaft on which is secured, as by pressing, adhesive bonding, casting or friction welding, an element which is generally of disc form and which is made from aluminium.
    Type: Grant
    Filed: October 2, 1975
    Date of Patent: September 27, 1977
    Assignee: Eaton Corporation
    Inventors: Jeffery Frederick Andrews, Harjinder Singh Chauhan, Ian Trevor Bristow