Patents by Inventor Charles W. Schultz

Charles W. Schultz 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).

  • Pipe fitting gasket having enhanced surface properties
    Patent number: 6371491
    Abstract: An elastomeric gasket for a pipe coupling having a dry lubricating film of an aqueous solution of a lubricant and a film-forming polymer adhered thereto.
    Type: Grant
    Filed: September 21, 1999
    Date of Patent: April 16, 2002
    Assignee: Victaulic Company of America
    Inventors: Charles W. Schultz, Lawrence W. Thau, Jr.
  • Apparatus for loading articles into lanes on horizontal shelves
    Patent number: 4417838
    Abstract: The lane loading apparatus includes a wheeled frame reciprocal along the loading end of shelves. The frame supports a main carriage for vertical movement with respect to the shelves. The main carriage supports an auxiliary carriage for reciprocation toward and away from the loading end of the shelves. A lane actuator is supported by the auxiliary carriage for retracting an endless member and associated pusher in a lane to a reloading position.
    Type: Grant
    Filed: December 23, 1980
    Date of Patent: November 29, 1983
    Assignee: SI Handling Systems, Inc.
    Inventors: Charles W. Schultz, James L. Thatcher