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:
Jun. 16, 1998
Filed:
Sep. 06, 1996
Applicant:
Inventors:
Lawrence C Arvidson, New Brighton, MN (US);
Robert S Horeck, Fridley, MN (US);
Assignee:
Hypro Corporation, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62C / ;
U.S. Cl.
CPC ...
169 14 ; 169 15 ;
Abstract
A microprocessor-based dual tank control system for use in a foam-injection fire fighting system which automatically proportions the selected foamant into the main water stream at a predetermined concentration, automatically provides an accurate assessment of the amount of foam pumped out of the selected supply tank, and automatically flushes the injection line at system power-up and between flow cycles.