Ship
CA 2610109 C · Owner: Rohden, Rolf · Inventors: Rohden, Rolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a ship, in particular a cargo ship. It has a plurality of Magnus , rotors (10), wherein associated with each of the plurality of Magnus rotors is an individually , actuable electric motor (M) for rotating the Magnus rotor (10) wherein , associated with each , electric motor (M) is a converter (U) for controlling the rotary speed and/or the rotary , direction of the electric motor (M).
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 June 16, 2006 and granted January 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 16, 2026.
- 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.