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:
Oct. 17, 1978
Filed:
Jan. 17, 1977
Applicant:
Inventor:
Stanley E Rud, Jr, Eden Prairie, MN (US);
Assignee:
Rosemount Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ;
U.S. Cl.
CPC ...
73718 ; 361283 ;
Abstract
A capacitance type differential pressure sensor which includes isolation diaphragms and incompressible fluid filling so that the sensing element does not have to be exposed to hostile fluids for pressure sensing and which isolation diaphragms are arranged in a manner to minimize sensitivity to acceleration forces encountered during use.