Patents by Inventor J. Wayne Brandt

J. Wayne Brandt 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).

  • Apparatus for protecting vacuum sources including valve which alternately communicates with vacuum and atmosphere
    Patent number: 4029487
    Abstract: An apparatus for protecting vacuum sources from contamination occasioned by aspiration of fluids or aerosols from a device operated by such vacuum sources, having an enclosed vessel in communication with the device, a filter in communication with the enclosed vessel to entrap aerosols and a vacuum-breaking valve alternately in communication with atmosphere & vacuum in communication with the filter to control the application of the vacuum by the vacuum source to the device. The vacuum-breaking valve is operated by a switch assembly mounted within the enclosed vessel and in electrical communication with a solenoid designed to operate a valve member within the vacuum-breaking valve.
    Type: Grant
    Filed: May 12, 1975
    Date of Patent: June 14, 1977
    Assignee: Spectroderm, Inc.
    Inventor: J. Wayne Brandt