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. 28, 1980
Filed:
Nov. 01, 1979
Applicant:
Inventor:
John H Turner, Jr, Cambridge, MA (US);
Assignee:
Metritape, Inc., West Concord, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G08B / ;
U.S. Cl.
CPC ...
340521 ; 340 / ; 340508 ;
Abstract
For use with a resistance level and temperature sensor, operative to provide a measure of the level and temperature of a fluent material, a readout and alarm system operative to provide a numerical readout of material level and temperature as well as visual and audible indications of alarm conditions. The system is contained within a portable housing which can be employed in hostile environments and which can provide intrinsically safe operation in explosive atmospheres.