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:
Feb. 06, 2007
Filed:
Jul. 25, 2003
Applicants:
Manfred Pawelzik, Soest, DE;
Fred Hannemann, Herzberg, DE;
Inventors:
Manfred Pawelzik, Soest, DE;
Fred Hannemann, Herzberg, DE;
Assignee:
Grohe Water Technology AG & Co. KG, Hemer, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E03B 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mixing valve has a housing having hot- and cold-water inlets and at least one hot-, cold-, or mixed-water outlet. Respective hot- and cold-water valves in the housing each have a valve stem rotatable to control flow through the respective valve and carrying a respective externally toothed gear. Respective hot- and cold-water control rings rotatably mounted about a common axis on the housing each have internal teeth in continuous mesh in all angular positions of the valves and rings with the gears of the respective valves.