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:
May. 30, 1989
Filed:
Nov. 05, 1987
Raymond J Andrejasich, Carmel, IN (US);
Laurence S Slocum, Indianapolis, IN (US);
Sara M Mussmann, Indianapolis, IN (US);
Emhart Industries, Inc., Indianapolis, IN (US);
Abstract
A controller including a digital processor is connected to flow meters and overfill gauges suitable for placement in the fill ports of underground storage tanks at, for example, a gasoline service station. The station dispenser pumps are also connected to the controller. In addition, probes, including tank liquid level probes, line pressure probes, and leak probes capable of detecting small quantities of liquid leaking from the system, are also connected to the controller. Processor software programs use stored decision criteria relating liquid conditions external of the storage tank system and liquid conditions internal of the storage tank system and its contents to provide audio and visual indications of the status of the liquid storage system and its contents.