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, 1989
Filed:
Mar. 01, 1988
Hitoshi Nishizawa, Iwakura, JP;
Kazuyoshi Shibata, Nagoya, JP;
NGK Insulators, Ltd., Nagoya, JP;
Abstract
An electrochemical device including an electrochemical cell having a first solid electrolyte, and at least one pair of electrodes formed on the first soild electrolyte, and a heating portion having a second solid electrolyte, a first elctrically insulating ceramic layer formed on the second solid electrolyte, and a heater electrically insulated from the second solid electrolyte by the first insulating layer. The device further includes a second electrically insulating ceramic layer interposed between the first and second solid electrolytes, so as to electrically insulate these solid electrolytes from each other, and a protective electrode formed in contact with the second solid electrolyte of heating portion. The protective electrode is electrically connected to at least one of the of electrodes of the electrochemical cell.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile