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. 13, 2020
Filed:
Jul. 11, 2016
Applicants:
Betek Gmbh & Co. KG, Aichhalden, DE;
Wirtgen Gmbh, Windhagen, DE;
Inventors:
Thomas Allgaier, Schramberg, DE;
Ulrich Krämer, Wolfach, DE;
Heiko Friederichs, Aichhalden, DE;
Thomas Lehnert, Oberraderb, DE;
Karsten Buhr, Wilroth, DE;
Cyrus Barimani, Königswinter, DE;
Assignees:
Betek GmbH & Co. KG, , DE;
Wirtgen GmbH, , DE;
Primary Examiner:
Int. Cl.
CPC ...
E21C 35/183 (2006.01); E21C 35/193 (2006.01);
U.S. Cl.
CPC ...
E21C 35/183 (2013.01); E21C 35/1933 (2013.01); E21C 35/1831 (2020.05); E21C 35/1833 (2020.05); E21C 35/1837 (2020.05);
Abstract
The invention relates to a cutting device for an earth working machine, having improved wear protection.