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:
Nov. 18, 2003
Filed:
Jan. 24, 2002
Applicant:
Inventor:
Karsten Andreas Laing, La Jolla, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 2/950 ;
U.S. Cl.
CPC ...
F04D 2/950 ;
Abstract
A circulator-pump-motor-unit which has two inlet ports and means to change the path of the hot water conveyed between these ports so that either the hot water system or the hydronic system gets heat.