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. 16, 1994
Filed:
Jul. 01, 1993
Applicant:
Inventor:
Gary P Boyd, Columbus, OH (US);
Assignee:
The Smart Corporation, Columbus, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
137-1 ; 137334 ; 137566 ; 440 88 ; 440113 ;
Abstract
A system for use in winterizing/dewinterizing a watercraft marine engine is provided with a closed coolant storage tank having a cooperating pump, with an open coolant recovery tank having a separate cooperating pump, with coolant fluid transfer lines connecting the storage tank pump outlet to the recovery tank and connecting the recovery tank pump outlet to the storage tank, and a control for operating the storage tank pump and the recovery tank pump independently of each other.