Patents by Inventor Colin Birks

Colin Birks 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).

  • Heat sink for semi-conductor devices having terminals projecting from a heat sink transfer face
    Patent number: 4517585
    Abstract: A heat sink has an integral island portion on which there is a mounting face for heat transfer contact with the sole plate of a semi-conductor device case. Clearance bores are provided in the heat sink to receive the terminal pins of the semi-conductor device. Grooves in the face provide passages under the sole plate for wires connected to the terminal pins. Alternatively, cross passages in the island portion may be employed.
    Type: Grant
    Filed: August 13, 1982
    Date of Patent: May 14, 1985
    Assignee: Lucas Chloride EV Systems Limited
    Inventors: Paul S. Ridout, Colin Birks