Patents by Inventor Roman Lenk

Roman Lenk 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).

  • Fire service elevator
    Patent number: 9221653
    Abstract: A fire service elevator includes an elevator cage with a cage roof, wherein the elevator cage is at least partly supported and driven by at least one support device, wherein the elevator cage is looped under by the at least one support device, wherein the elevator cage has a protective element, which is arranged at least partly around the at least one support means and disposed substantially on the cage roof. The protective element screens the at least one support device relative to a central region of the cage roof so that extinguishing water falling onto the cage roof in the case of fire is substantially prevented from wetting the at least one support device.
    Type: Grant
    Filed: April 9, 2012
    Date of Patent: December 29, 2015
    Assignee: Inventio AG
    Inventors: Hanspeter Bloch, Roman Lenk, Reto Hugentobler
  • REDUCING OVER-TRACTION IN AN ELEVATOR
    Publication number: 20140202797
    Abstract: An elevator installation has a car, a counterweight, a traction device interconnecting the car and the counterweight, a motor and a traction sheave engaging the traction device. The elevator installation is monitored for over-traction and an air cushion is created between the traction sheave and the traction device when over-traction is detected.
    Type: Application
    Filed: September 27, 2012
    Publication date: July 24, 2014
    Inventor: Roman Lenk
  • FIRE SERVICE ELEVATOR
    Publication number: 20120255814
    Abstract: A fire service elevator includes an elevator cage with a cage roof, wherein the elevator cage is at least partly supported and driven by at least one support device, wherein the elevator cage is looped under by the at least one support device, wherein the elevator cage has a protective element, which is arranged at least partly around the at least one support means and disposed substantially on the cage roof. The protective element screens the at least one support device relative to a central region of the cage roof so that extinguishing water falling onto the cage roof in the case of fire is substantially prevented from wetting the at least one support device.
    Type: Application
    Filed: April 9, 2012
    Publication date: October 11, 2012
    Inventors: Hanspeter Bloch, Roman Lenk, Reto Hugentobler