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.:

US 6994101 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 07, 2006

Filed:

Nov. 04, 2003
Applicant:

John L. Freiler, Somerset, NJ (US);

Inventor:

John L. Freiler, Somerset, NJ (US);

Assignee:

Girard Equipment, Inc., Linden, NJ (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K 17/40 (2006.01);
U.S. Cl.
CPC ...
Abstract

Pressure relief valve including an annular nut of relatively high thermal conductivity including a first end portion providing an inwardly extending axial cylindrical surface and an internal annular surface extending radially outwardly from the cylindrical surface and including an internally threaded second end portion, and a fusible disc including a cylindrical first end portion provided with frictional enhancement means in frictional engagement with the cylindrical surface to mount the fusible disc frictionally in the annular nut and including an annular second end portion engaging the annular surface to position the fusible disc in the annular nut.


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