Patents by Inventor Anthony McKenzie Owler

Anthony McKenzie Owler 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).

  • Fluid operated timer for a plurality of reservoirs
    Patent number: 6070610
    Abstract: A fluid operated timer includes an input for the fluid, a reservoir receiving fluid from the input, an actuator responsive to the fluid pressure in the reservoir reaching a threshold value, wherein the reservoir includes a plurality of separate reservoirs. The timer further includes an element for selectively controlling operative connection of at least one of the plurality of separate reservoirs to the input so that the volume of the reservoir presented to the input fluid can be selectively varied.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: June 6, 2000
    Assignee: Expo Safety Systems Limited
    Inventor: Anthony McKenzie Owler