The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2001
Filed:
Jan. 21, 2000
Applicant:
Inventors:
Charles E. Pitts, Jr., Conroe, TX (US);
Merle L. Bell, Spring, TX (US);
Scott C. Schuette, Pasadena, TX (US);
Jesus Martinez, Houston, TX (US);
Assignee:
Greene, Tweed of Delaware, Inc., Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 1/518 ; F16J 1/520 ; E21B 3/414 ; E21B 3/3128 ;
U.S. Cl.
CPC ...
F16J 1/518 ; F16J 1/520 ; E21B 3/414 ; E21B 3/3128 ;
Abstract
A seal assembly having a first seal with a first mating surface and a recess in the first mating surface, and a second seal having a second mating surface and a recess in the second mating surface. The first mating surface of the first seal is adjacent to the second mating surface of the second seal and a first thermal expansion restricter is received simultaneously into the recesses of the first and second mating surfaces of the first and second seals, respectively.