Patents by Inventor Stephen M. Drabant

Stephen M. Drabant 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: 5409036
    Abstract: A contactor assembly has a pneumatic actuator coupled in driving relationship with a contact arm for affecting opening and closing of at least one pair of contact tips and has a magnet valve coupled between a source of actuating air pressure and the pneumatic actuator. The valve includes an air inlet port, an air outlet port and an air exhaust port. Resilient valve seats are incorporated in the valve for sealingly engaging metallic seats on a separable valve stem. In one form, an integral filter assembly is incorporated in the valve to filter inlet air. In another form, an in-line filter is coupled to the inlet port for filtering air.
    Type: Grant
    Filed: September 27, 1993
    Date of Patent: April 25, 1995
    Assignee: General Electric Company
    Inventors: Mehdi Ahmadian, Stephen M. Drabant, Jeffrey M. Powell