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:
Feb. 07, 2012
Filed:
Apr. 20, 2004
Applicants:
Urs Ammon, Ebikon, CH;
Hanspeter Bloch, Buchrain, CH;
Inventors:
Urs Ammon, Ebikon, CH;
Hanspeter Bloch, Buchrain, CH;
Assignee:
Inventio AG, Hergiswil, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 55/36 (2006.01);
U.S. Cl.
CPC ...
Abstract
A drive pulley for elevators, with at least two sectors, wherein at least one sector is hardened and at least one sector is not hardened.