Patents by Inventor Volker Zaph

Volker Zaph has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • DRIVE PULLEY FOR AN ELEVATOR INSTALLATION
    Publication number: 20120037460
    Abstract: A drive sheave for driving at least one traction device of an elevator system, including at least one traction area in which recesses are formed, which recesses extend substantially perpendicular to a circumferential direction of the drive sheave in the form of grooves, wherein the drive sheave is formed by a one-piece drive sheave body having the at least one traction area, and the grooves extend in the drive sheave body.
    Type: Application
    Filed: January 18, 2010
    Publication date: February 16, 2012
    Applicant: INVENTIO AG
    Inventor: Volker Zaph