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:
Oct. 28, 2025
Filed:
Jul. 28, 2022
Applicant:
Braun Gmbh, Kronberg, DE;
Inventors:
Christian Neyer, Eschborn, DE;
Martin Fuellgrabe, Bad Camberg, DE;
Johannes Weinkauff, Frankfurt am Main, DE;
Marvin Thorsten Knorr, Hochheim am Main, DE;
Assignee:
Braun GMBH, Kronberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B26B 19/38 (2006.01); A45D 26/00 (2006.01); G01R 25/00 (2006.01);
U.S. Cl.
CPC ...
B26B 19/388 (2013.01); A45D 26/0042 (2013.01); G01R 25/00 (2013.01);
Abstract
The present invention relates to a hair removal device, such as an electric shaver or epilator, comprising a hair cutting unit, a motor for driving the hair cutting unit, a measurement unit for measuring motor current and/or induced voltage and a cutting activity determinator for determining cutting activity from the half cycles of the signal of said measurement unit, wherein a wear determination unit is provided for determining wear of the hair cutting unit from the cutting activity signal of said cutting activity determinator.