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:
Aug. 13, 2024
Filed:
Aug. 17, 2021
Applicant:
Herrenknecht Aktiengesellschaft, Schwanau, DE;
Inventors:
Werner Burger, Schwanau, DE;
Gerhard Wehrmeyer, Schwanau, DE;
Dietmar Isele, Rheinhausen, DE;
Felix Weber, Hohberg, DE;
Assignee:
HERRENKNECHT AKTIENGESELLSCHAFT, Schwanau, DE;
Primary Examiner:
Int. Cl.
CPC ...
E21B 4/00 (2006.01); F16J 15/3216 (2016.01); F16J 15/3232 (2016.01); F16J 15/3268 (2016.01);
U.S. Cl.
CPC ...
E21B 4/003 (2013.01); F16J 15/3216 (2013.01); F16J 15/3232 (2013.01); F16J 15/3268 (2013.01);
Abstract
A sealing unit () for sealing an annular gap () formed between a seal wear ring () and a seal carrier () has a sealing ring holder () which is U-shaped in a receptacle region and which, together with the receptacle region, encloses a fixing region () of the sealing ring ().
Burger, Werner. (2024). Tunnel machine having sealing units for sealing an annular gap around a drive shaft for a cutting wheel (U.S. Patent No. 12060774). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12060774
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile