Patents by Inventor Brian W. Krause

Brian W. Krause 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: 5954371
    Abstract: Plastic-lined fittings and their method of manufacture. The fittings are capable of being joined without flanges to plastic-lined piping systems. The fittings feature a zero tolerance fit between the liner and the metal portion of the fitting, and an outward expansion of the portion of the liner which extends past the metal portion.
    Type: Grant
    Filed: April 14, 1997
    Date of Patent: September 21, 1999
    Assignee: Crane Co.
    Inventors: Mark A. Koke, James A. Yanacek, Gerald A. Miller, Brian W. Krause
  • Patent number: 5730472
    Abstract: A flangeless pipe joint for polymer-lined piping in which the piping is joined by a coupling and the lining is slip, loose, interference or swaged fitted into the pipes and joined at the ends thereof against relative movement.
    Type: Grant
    Filed: April 19, 1996
    Date of Patent: March 24, 1998
    Assignee: The Dow Chemical Company
    Inventors: Brian W. Krause, Michael F. Jeglic, Dennis A. Huggard
  • Patent number: 4499749
    Abstract: A tube perforator is provided which has a generally cylindrical mandrel which extends within a tube. The mandrel is hollow and has a passage therein which extends in angular relation to the axis of the mandrel and exits on one side thereof. A punch disposed in the passage can be driven against the tube wall to cause perforation thereof.
    Type: Grant
    Filed: June 11, 1979
    Date of Patent: February 19, 1985
    Assignee: The Dow Chemical Company
    Inventors: Robert A. Hay, II, Brian W. Krause