Method of controlling a lift installation, and a lift installation
CA 2484152 C · Owner: Inventio Ag · Inventors: Kostka, Miroslav; Steinmann, Kurt
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of controlling a lift installation which comprises a lift cage (EC) transporting passengers between storeys (1 to 18) of a building comprises the following method steps: a) the travel wishes of the passengers are input by way of a destination call control and booked by the destination call control as destination calls and b) an instantaneous load disposed in the lift cage (EC) is determined by a load measuring device at a fixable point in time. In order to make uniform the waiting times of passengers in the case of incorrect operation of the destination call control and to ensure for all passengers, an optimised transport time with maximum transport capacity the method additionally …
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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 October 7, 2004 and granted March 20, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 7, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 7, 2026.
- 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
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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.