Patents by Inventor Charles Stempien

Charles Stempien 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).

  • Protective coating and coated welding tip and nozzle assembly
    Publication number: 20070090168
    Abstract: A coated welding tip and nozzle assembly is disclosed. The tip and the nozzle are coated with a coating composition comprising titanium dioxide. The coating provides resistance to adhesion and accumulation of weld spatter on the nozzle and tip and facilitates weld spatter removal. The coating also protects against thermal damage of the nozzle by providing a thermal barrier.
    Type: Application
    Filed: October 25, 2006
    Publication date: April 26, 2007
    Inventors: Gerald Snow, Charles Stempien
  • Apparatus for making retaining elements
    Patent number: 5651824
    Abstract: A method and apparatus for the application for one or more deposits of material to a succession of discrete articles such as fasteners as is provided. The method and apparatus of the present invention deposits a droplet or extended bead of thermoplastic or thermoset material onto the surface of a part that is urged into a postion once it solidifies to extends above the surface of the part to create assembly resistance when the part is assembled into or over another part.
    Type: Grant
    Filed: May 20, 1996
    Date of Patent: July 29, 1997
    Assignee: ND Industries, Inc.
    Inventors: John S. Wallace, Charles Stempien
  • Method and apparatus for making retaining elements
    Patent number: 5518768
    Abstract: A method and apparatus for the application for one or more deposits of material to a succession of discrete articles such as fasteners as is provided. The method and apparatus of the present invention deposits a droplet or extended bead of thermoplastic or thermoset material onto the surface of a part that is urged into a postion once it solidifies to extends above the surface of the part to create assembly resistance when the part is assembled into or over another part.
    Type: Grant
    Filed: February 3, 1995
    Date of Patent: May 21, 1996
    Assignee: ND Industries, Inc.
    Inventors: John S. Wallace, Charles Stempien