Patents by Inventor William Ardern

William Ardern 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).

  • Publication number: 20050060923
    Abstract: A binder clip sleeve for securing indicia to a binder clip and a method of securing the indicia to the binder clip. The binder clip sleeve comprises three panels which generally conform to outer surfaces of the binder clip. Indicia may be displayed along one or more of the three panels.
    Type: Application
    Filed: September 19, 2003
    Publication date: March 24, 2005
    Inventor: William Ardern
  • Patent number: 5000207
    Abstract: Apparatus suitable for processing semiconductor slices, comprises a tank (1) for receiving a jig carrying semiconductor slices, a first supply line (2) for supplying a processing liquid to the tank (1), a supply valve (3) for controlling liquid supply through the first supply line (2), the supply valve (3) being operable in response to changes in fluid pressure at a control port (4) of the supply valve (3) and a second supply line (5) for supplying fluid to the control port (4) to control operation of the supply valve (3). The second supply line (5) communicates with an inlet (8) of the tank (1) via a control valve (7) which is operable in response to changes within the tank to control the fluid pressure at the control port (4) and so control operation of the supply valve (3).In the arrangement shown in FIG. 1, a valve member (7a) of the valve (7) is carried by a platform (9) pivotally mounted within the tank (1).
    Type: Grant
    Filed: December 2, 1987
    Date of Patent: March 19, 1991
    Assignee: U.S. Philips Corporation
    Inventors: Joseph B. Titterington, William Ardern