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. 09, 2005
Filed:
Apr. 04, 2002
Applicants:
Frank Hegner, Lörrach, DE;
Ulfert Drewes, Müllheim, DE;
Andreas Rossberg, Bad Säckingen, DE;
Elke Schmidt, Schopfheim, DE;
Inventors:
Frank Hegner, Lörrach, DE;
Ulfert Drewes, Müllheim, DE;
Andreas Rossberg, Bad Säckingen, DE;
Elke Schmidt, Schopfheim, DE;
Assignee:
Endress + Hauser GmbH + Co. KG, Maulburg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01L015/00 ;
U.S. Cl.
CPC ...
Abstract
In a differential pressure sensor, the measurement value is corrected with the help of the nominal pressure NP. In this way, influences on the measurement value because of deformations of the body of the differential pressure sensor and change in the material stiffness of the membrane are decreased.