Patents by Inventor Terence Peter Nicholson

Terence Peter Nicholson 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).

  • Seal
    Patent number: 6131915
    Abstract: A seal 2 for sealing between two opposed and generally parallel surfaces, comprising a support layer 10 for location between the said opposed surfaces and a pair of sealing layers 6, 8 supported on the support layer 10 and projecting beyond an edge 2 of the support layer 10 for effecting a seal between the said opposed surfaces when the said seal 2 is located therebetween.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: October 17, 2000
    Assignee: Specialist Sealing Limited
    Inventor: Terence Peter Nicholson
  • Metallic seal rings
    Patent number: 5669612
    Abstract: An API groove seal is a metal ring of cross-section like a capital letter omega arranged so that the tips of its limbs provide the sole contact with the groove base before and after compression. The central or heel region may abut on the outer side wall of the groove. A family of seals for different pressure ratings has a common profile, differing only in respect of the thickness of the limbs.
    Type: Grant
    Filed: October 7, 1996
    Date of Patent: September 23, 1997
    Assignee: Specialist Sealing Limited
    Inventor: Terence Peter Nicholson
  • Metal seals or gaskets
    Patent number: 4114908
    Abstract: A metal gasket for making a fluid tight sealed joint between opposed parallel surfaces has a radially inward part and a radially outward part each formed with a peripheral groove; also at least one of the end faces of the gasket is formed with annular grooves of substantially rectangular profile in radial planes. Thereby there is provided a compressible yet resilient gasket which can satsifactorily be used to form a fluid tight joint.
    Type: Grant
    Filed: April 27, 1977
    Date of Patent: September 19, 1978
    Inventor: Terence Peter Nicholson