Patents by Inventor Bert W. Wechtenheiser

Bert W. Wechtenheiser 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).

  • Pneumatic switch for patient call system having multiple-position housing assembly
    Patent number: 5736702
    Abstract: A pneumatically actuated switching device is disclosed for forming a momentary electrical signal circuit with a receptacle of a patient call system utilizing a conductive plunger which slides in response to a pulse of pressurized air delivered to an internal chamber through a housing connection which provides for optional assembly orientations. A spring is used to maintain separation between a conductive plunger and the electrical components when the pneumatic switching device is not activated by a patient.
    Type: Grant
    Filed: June 14, 1996
    Date of Patent: April 7, 1998
    Assignee: Dwyer Precision, Inc.
    Inventors: George A. Roberts, Bert W. Wechtenheiser