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:
Apr. 23, 1991
Filed:
Apr. 20, 1990
Ronald W Okoren, Holmen, WI (US);
American Standard Inc., New York, NY (US);
Abstract
In a system for refrigeration and air conditioning including a microprocessor based electronic controller and an electronic expansion valve responsive to the controller, a fault determination test method for discovering operational faults in the controller and the valve. The test method further determines whether the failure is due to the valve or the controller to minimize servicing time by providing test results applicable to a logic table which indicates the failed component and the action to be taken by the service technician.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile