Patents by Inventor William M. Fredericks

William M. Fredericks 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: 6383295
    Abstract: The tire dressing apparatus is controlled by a carwash controller operated typically by an attendant at the carwash. The width of a vehicle entering the carwash is determined mechanically by an index arm, the identification of the vehicle selected for application of the tire dressing fluid to the vehicle's tires, and a programmable logic controller controls a spraying sequence by controlling the time intervals between the activation of solenoids controlling fluid release through nozzles during each vehicle tire dressing cycle. The programmable logic controller includes sufficient memory to keep track of the vehicle in the carwash que or in the carwash in the event of some mechanical or electrical interruptions to the carwash operation. A unique nozzle design has been provided to obtain the desired fluid distribution and coverage on the vehicle tires.
    Type: Grant
    Filed: May 8, 2000
    Date of Patent: May 7, 2002
    Inventors: William M. Frederick, Jr., Bryant P. Ruder, Stanley R. Weber
  • Patent number: 5139678
    Abstract: A liquid filtering and purifying device and method for filtering and purifying used engine coolant in order to produce a concentrated portion for disposal and a purified portion intended to be reused has a plurality of filtering, separating and purifying devices, both mechanical and membranous. The purification device and method of this invention provide for multiple recirculation for removing and concentrating impurities and contaminants.
    Type: Grant
    Filed: May 14, 1990
    Date of Patent: August 18, 1992
    Assignee: JH Systems, Inc.
    Inventors: William M. Frederick, Jr., David Kennell, Robert Sancken
  • Patent number: 5075999
    Abstract: An apparatus wherein a housing includes a right and left door overlying the housing, the housing configured to camouflage a hunter interiorly thereof positioned within an "L" shaped seat within the housing. The doors include cooperating mesh portions to permit a viewing of the hunter through the mesh portions of the mesh portion overlying the seat.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: December 31, 1991
    Inventor: William M. Fredericks
  • Patent number: D339914
    Type: Grant
    Filed: September 19, 1990
    Date of Patent: October 5, 1993
    Inventor: William M. Fredericks