Patents by Inventor Clive Samuel Hadley

Clive Samuel Hadley 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).

  • Brake wheel cylinders
    Patent number: 6276500
    Abstract: A drum brake backplate assembly including a wheel cylinder (30) having a tubular body (31) having an axially extending bore (32) within which two brake shoe operating pistons (33) are in sealed sliding contact to define a working chamber (48) therebetween. The pistons are displaceable away from each other along the bore on pressurisation of the working chamber and the body located on an associated brake-backplate (44) by quick-attach means (46).
    Type: Grant
    Filed: July 6, 1998
    Date of Patent: August 21, 2001
    Assignee: Automotive Products PLC
    Inventors: David Peasley, Clive Samuel Hadley