Patents by Inventor Alun Burke

Alun Burke 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).

  • Quarter turn actuators
    Patent number: 4545288
    Abstract: A quarter turn actuator comprises a body (10) defining side-by-side cylinders (11 and 12), a piston (13) in each cylinder having in one side thereof a recess in which is provided a rack (15), a pinion (16) mounted in the body and engaging the racks on the pistons, a source for supplying compressed air to the cylinders and an air distribution system interconnecting each end of each cylinder with the other end of the other cylinder. The body (10) is preferably molded of plastic material and the cylinders are lined. The pistons may also be molded plastic material.
    Type: Grant
    Filed: May 25, 1982
    Date of Patent: October 8, 1985
    Assignee: Rodyne Limited
    Inventor: Alun Burke