Patents by Inventor George Sulzyc

George Sulzyc 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: 5551734
    Abstract: A connection piece (2) for the connection of a pipe (19) to a plastic housing (1) of a valve, comprises a threaded plug (4) made of metal, which is arranged in a plastic sleeve (3) of the housing (1). At least one circumferential projection (9) and one corresponding circumferential groove (10) are provided between the threaded plug (4) and the plastic sleeve (3). The threaded plug (4) is secured only in an axial manner and freely rotatable beared in the plastic sleeve (3) by the connection of the circumferential projection (9) and the corresponding circumferential groove (10). The threaded plug (4) is provided protruding the plastic sleeve (3) to the outside and comprises a gripping surface (17) for the supply of a tool.
    Type: Grant
    Filed: June 21, 1995
    Date of Patent: September 3, 1996
    Assignee: Grau GmbH
    Inventors: George Sulzyc, Horst Venghaus