Lift installation with a cage and equipment for detecting a cage position, as well as a method of operating such a lift installation
CA 2515627 C · Owner: Inventio Ag · Inventors: Marchesi, Enrico; Mueller, Frank; Birrer, Eric
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a lift installation (10) with at least one cage (1) and at least one equipment (8) for detecting a cage position as well as to a method of operating such a lift installation (10). The equipment (8) comprises a code mark pattern (80) and a sensor device (81). The code mark pattern (80) is applied along the travel path of the cage (1) and consists of a plurality of code marks (83). The sensor device (81) is mounted at the cage (1) and contactlessly scans the code marks (83) by sensors (85). The code marks (83) are arranged in a single track and the sensors (85) are arranged in a single track.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed August 10, 2005 and granted December 24, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 10, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.