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:
Jul. 28, 1987
Filed:
Feb. 13, 1986
Applicant:
Inventors:
Karsten Laing, San Diego, CA (US);
Doerte Laing, 7148 Remseck 2-Aldingen, DE;
Birger Laing, 7148 Remseck 2-Aldingen, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F24H / ;
U.S. Cl.
CPC ...
126362 ; 237 19 ;
Abstract
A domestic hot water system in which the remote end forms a loop connected to the hot water tank and in which a pump circulates hot water at a rate sufficient to prevent cooling of the water in the piping below a predetermined temperature, so that hot water can flow immediately out of all outlets.