Electric motor-driven water craft, which is cooled by the surrounding water
CA 2582579 C · Owner: Rotinor Gmbh · Inventors: Grimmeisen, Juergen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an electric motor-driven water craft comprising a fuselage (10), on which the user can at least partially lie or stand. Said fuselage (10) comprises a flow channel with a screw (2) that is driven by an electric motor (3) and contains the electric motor (3) and batteries (5 6), in addition to a control device (4) for the electric motor and the screw (2) said items being housed at least partially in the flow channel (8). The aim of the invention is to maintain a higher power for motor-driven water craft of this type. To achieve this, the batteries (5 6) are located in a water-tight , housing (9) and at least some sections of said batteries are in thermally …
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 October 7, 2005 and granted January 7, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 7, 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.