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.

Date of Patent:
Oct. 30, 1979

Filed:

Oct. 30, 1978
Applicant:
Inventors:

Bernard F Silverwater, Plainview, NY (US);

Charles Grimm, Palm Harbor, FL (US);

Assignee:

Pall Corporation, Glen Cove, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
200 / ; 116220 ; 116221 ; 116267 ; 116268 ; 200 / ; 210 90 ;
Abstract

A magnetic differential pressure indicator is provided for detecting and indicating a pressure differential thereacross that is greater than a predetermined value in a fluid system. A thermal lockout effective even at high internal fluid pressures prevents false actuation of the magnetic indicating means at low temperatures due to increased viscosity of the system fluid.


Find Patent Forward Citations

Silverwater, Bernard. (1979). Magnetic pressure indicator with thermal lockout (U.S. Patent No. 4172971). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4172971

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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