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. 03, 1993
Filed:
Jan. 15, 1992
Applicant:
Inventors:
Roger W Ward, Park City, UT (US);
Robert B Wiggins, Salt Lake City, UT (US);
Assignee:
Quartzdyne, Inc., Salt Lake City, UT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01F / ; G01L / ;
U.S. Cl.
CPC ...
73702 ; 73708 ; 310338 ; 374143 ;
Abstract
A pressure transducer including a first pressure crystal, a second temperature crystal, a third reference crystal and associated electronics. All three crystals resonate in the thickness-shear mode.