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.

Date of Patent:
Oct. 06, 1998

Filed:

Mar. 20, 1997
Applicant:
Inventors:

Johann Wilhelmstatter, Giengen/Hurben, DE;

Helmut Jerg, Giengen, DE;

Bernd Schessl, Dillingen, DE;

Gerhard Fetzer, Gundelfingen, DE;

Michael Hartmann, Hochstadt, DE;

Markus Hopfl, Lauingen/Donau, DE;

Karl-Heinz Rehm, Dischingen, DE;

Rudolf Schmidt, Giengen, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
250573 ; 356442 ;
Abstract

In order to provide in a simple way a household appliance, operated with water with a sensor (10) for contaminations of a circulated cleaning fluid, said sensor being composed of an element (11) transmitting optical signals and of an element (12) receiving optical signals, in which appliance erroneous measurements of the sensor (10) for contaminations of a circulated cleaning fluid are avoided, according to the invention the sensor (10) is arranged in a flow heater (1).


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