Patents by Inventor James D. Crosby

James D. Crosby 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).

  • Filling the annulus between concentric tubes with resin
    Patent number: 5908059
    Abstract: Concentric conduits are supplied for the purpose of minimizing heat transfer from within the inner conduit through the outer conduit. The air gap or annulus around the inner conduit is filled with a resin mixture which is mixed with vermiculite and mineral fiber to form a slurry. The slurry is pumped into an open end of the annulus to fill the annulus and enhance the heat insulation characteristics of the concentric conduits.
    Type: Grant
    Filed: August 19, 1997
    Date of Patent: June 1, 1999
    Assignee: Acoust-A-Fiber Research and Development, Inc.
    Inventors: Jerry M. Wolf, Hiten T. Shah, Steven J. Crosbie, James D. Crosby
  • Filling the annulus between concentric tubes with resin
    Patent number: 5706869
    Abstract: Concentric conduits are supplied for the purpose of minimizing heat transfer from within the inner conduit through the outer conduit. The air gap or annulus around the inner conduit is filled with a resin mixture which is mixed with vermiculite and mineral fiber to form a slurry. The slurry is pumped into an open end of the annulus to fill the annulus and enhance the heat insulation characteristics of the concentric conduits.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: January 13, 1998
    Assignee: Acoust-A-Fiber Research & Development, Inc.
    Inventors: Jerry M. Wolf, Hiten T. Shah, Steven J. Crosbie, James D. Crosby