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:
Aug. 20, 2002
Filed:
Apr. 23, 2001
Applicant:
Inventors:
John Leslie Johnson, Raleigh, NC (US);
James G. Johnson, Benson, NC (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01M 3/04 ;
U.S. Cl.
CPC ...
G01M 3/04 ;
Abstract
A leak detection system includes a valve assembly having poppet valves disposed in a valve body for selectively closing internal ports for sequentially pressuring a test part from a pressure source, isolating the test part, determining the leakage conditions at the test part and exhausting the test part at completion of the test.