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:
Jul. 09, 1991
Filed:
Jul. 19, 1990
Applicant:
Inventor:
David B Wamstad, Roseville, MN (US);
Assignee:
Honeywell Inc., Minneapolis, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01L / ; G01L / ;
U.S. Cl.
CPC ...
73706 ; 73708 ; 73726 ; 73729 ; 338-4 ;
Abstract
An absolute pressure sensor capsule and sensor resulting therefrom are disclosed. In one preferred embodiment, the capsule includes a sensor die of a first material, an intermediate spacer of a second material joined to the die and a base plate of a third material, the base plate having a variable thickness for changing the span shift, null shift, and static pressure of the die while compensating for changes in the calibration of the electrical die components.
Wamstad, David. (1991). Fluid isolated self-compensating absolute pressure sensor transducer (U.S. Patent No. 5029478). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5029478
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