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. 04, 2020
Filed:
Apr. 04, 2017
Applicant:
Fnv Ip B.v., Leidschendam, NL;
Inventors:
Peter Nicolaas Looijen, Nootdorp, NL;
Henk Nebbeling, Nootdorp, NL;
Assignee:
FNV IP B.V., Leidschendam, NL;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01L 15/00 (2006.01); G01L 13/00 (2006.01); G01L 7/00 (2006.01); G01L 19/00 (2006.01);
U.S. Cl.
CPC ...
G01L 15/00 (2013.01); G01L 7/00 (2013.01); G01L 13/00 (2013.01); G01L 19/0038 (2013.01); G01L 19/0084 (2013.01);
Abstract
Immersion depth measurement device comprising a first absolute pressure sensor and a second differential pressure sensor, wherein the first and the second pressure sensor are arranged to measure ambient pressures, and wherein the second differential pressure sensor connects to the ambient through two separate channels, at least one of which is closable.