Patents by Inventor John D. Asquith

John D. Asquith 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).

  • Hydraulic manipulator
    Patent number: 5379664
    Abstract: A joint of a hydraulic manipulator connects two hollow arm members and includes two indirect linkage members arranged to provide increased scope for the joint. Hydraulic hoses or cables extend through the hollow arm members, so as to be protected, and along a route which intersects the centre axis of the joint so they are not stretched as the joint bends.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: January 10, 1995
    Assignee: United Kingdom Atomic Energy Authority
    Inventors: Keith Kershaw, John D. Asquith, Peter Shilton, deceased