Marine vessel for lifting and supporting loads
CA 1262445 C · Owner: Ten Have, Henri Charles · Inventors: Ten Have, Henri Charles
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 stabilizing device for a crane vessel of the semi-submersible type provided with an underwater hull, carrying a working platform supported above sea level by means of hollow columns, said platform carrying at least one crane, whereby the stabilizing device is housed in a hollow column, whereby the stabilizing device is constructed as a vertically movable stabilizing member which is moved downwardly by means of a crane when lifting a load from a transport vessel and moved upwardly when putting the load down on a platform.
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
- Granted October 24, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 24, 2006.
- 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.