Patents by Inventor Liam C Thorpe

Liam C Thorpe 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).

  • Sealing system
    Patent number: 6105596
    Abstract: A sealing assembly with a first molded graphite ring of generally triangular cross section, one side of which is in use perpendicular to the longitudinal axis of a rotatable and/or slidable shaft, the surface of which is to be sealed in an axial direction against fluid leakage therealong, and a second side which is in use disposed parallel to said shaft to engage the inner wall of the housing surrounding said shaft.
    Type: Grant
    Filed: September 30, 1998
    Date of Patent: August 22, 2000
    Assignee: Flexitallic Investments, Inc.
    Inventors: John R. Hoyes, Liam C Thorpe
  • Seal material
    Patent number: 6020276
    Abstract: A material stock from which seals and packings may be formed is described; the material stock being relatively soft and compressible and cross section having a construction comprising a plurality of interlaced, as hereinbefore defined, flat section tapes having associated therewith a reinforcement. The tapes may include exfoliated graphite, paper, PTFE, mica, vermiculite as appropriate. The seal stock may have any desired cross sectional shape.
    Type: Grant
    Filed: March 3, 1997
    Date of Patent: February 1, 2000
    Assignee: Flexitallic Investments, Inc.
    Inventors: John R Hoyes, Michael Bulmer, Liam C Thorpe