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:
Oct. 29, 1991
Filed:
Jul. 11, 1990
Applicant:
Inventors:
Assignees:
Nippon Oil Co., Ltd., Tokyo, JP;
Nippon Automation Co., Ltd., Hamakita, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01F / ;
U.S. Cl.
CPC ...
73301 ; 73721 ; 340614 ; 340618 ;
Abstract
Disclosed in a liquid level-detecting apparatus, in which a pressure of a liquid stored in a tank at a predetermined position is detected by a pressure sensor, the detected pressure is converted to an electric signal, and this electric signal is transmitted to the outside as a liquid level information based on the liquid head pressure.