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:
Mar. 21, 2006
Filed:
Jan. 05, 2004
Applicants:
Hiroshi Okada, Gunma, JP;
Masato Kumagai, Saitama, JP;
Hironori Ohhashi, Gunma, JP;
Inventors:
Assignee:
Hitachi Ltd., Tokyo-to, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F 23/52 (2006.01); G01F 23/60 (2006.01); G01F 23/36 (2006.01); G01F 23/00 (2006.01); G01B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system for detecting the level of liquid in a tank includes a sensor part provided to the tank and for sensing a position of the liquid level in accordance with displacement of a float, and a sensor casing arranged in the tank to be isolated from liquid and for accommodating the sensor part.