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:
Aug. 25, 2015

Filed:

Jul. 26, 2007
Applicants:

Ingo Vetter, Bad Camberg, DE;

Holger Hild, Idstein, DE;

Thomas Hohmann, Gelnhausen, DE;

Inventors:

Ingo Vetter, Bad Camberg, DE;

Holger Hild, Idstein, DE;

Thomas Hohmann, Gelnhausen, DE;

Assignee:

Braun GmbH, Kronberg, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B26B 19/38 (2006.01);
U.S. Cl.
CPC ...
B26B 19/38 (2013.01); B26B 19/388 (2013.01);
Abstract

Implementations of a method for determining a degree of dirtiness of a cutting tool that is driven in a back and forth motion by an electric motor include evaluating a parameter that corresponds to the motion of the cutting tool and that is used for controlling the electric motor. The degree of dirtiness is determined based on the parameter.


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