Patents by Inventor Thomas G. Xander

Thomas G. Xander 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).

  • Patent number: 4462418
    Abstract: A pneumatically energized, pre-packaged, unit for selectively controlling the pressure, cycle and time duration of an air actuated work device includes a protective housing having an air pressure regulator, an air inlet orifice and a visably exposed pressure gauge adapted to communicate with an external source of pressurized air. The housing also contains a pair of three-way time delay valves and auxillary volume chambers, with integral time delay adjustment knobs protruding above the top surface of the housing. Also contained within the housing is a four-way valve means, either of the single or double piloted type, which is pneumatically piped, either in a parallel or series circuit array, to the three-way time delay valves and the air pressure regulator.
    Type: Grant
    Filed: February 25, 1982
    Date of Patent: July 31, 1984
    Assignee: The Al Xander Co., Inc.
    Inventor: Thomas G. Xander