Icebreaking ship
CA 1301559 C · Owner: Schwarz, Joachim · Inventors: Waas, Heinrich; Varges, Gunter; Kleemann, Alfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
For improving the maneuverability of ships when sailing in ice-covered waters, both in an ahead run as well as in an astern running operation, the hull of an icebreaking ship is provided with icebreaking ship's components (130) such, as reamers or the like (30) arranged on the ship's side walls (21,22) and projecting laterally from the ship's sides which preferably form the broadest point of the underwater hull, in which case the breadth of the underwater hull within the area of the ship's components (130) such as reamers (30), or cutting edges or portions thereof can be completely or partly moved out of the underwater area during the ship's operation by the displacement or pivoting of the …
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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.