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. 06, 1991
Filed:
Mar. 23, 1990
Applicant:
Inventors:
Selami Y Pusatcioglu, Milwaukee, WI (US);
Joseph C Zuercher, Brookfield, WI (US);
Edward G Lewis, Mequon, WI (US);
Assignee:
Gas Research Institute, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01W / ;
U.S. Cl.
CPC ...
733365 ; 73 2905 ; 338 34 ;
Abstract
A moisture sensor (100) is provided that utilizes a sulfonated fluorocarbon film (10) having a thickness of less than about one micron and capable of providing accurate measurements of humidity and extremely fast response to change in humidity. A preferred embodiment of an electrical system (150) is disclosed for use with sensor (100) and a sulfonated tetrafluoroethylene perfluoroether copolymer form of the film is especially preferred.