Stabilization apparatus for ship movements
CA 2318210 A1 · Owner: Esders, Ulrich · Inventors: Esders, Ulrich; Niggemann, Dirk
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The inventive stabilising device for the movements of a ship has adjustable stabilising fins, drive units (37) for adjusting the position of said stabilising fins, a control device (23 to 37) which produces the control signals corresponding to the desired positions of a particular stabilising fin and applies them to the relevant drive unit (37) and a measuring device which , detects the rolling movements of a ship and produces the measuring signals corresponding to the rolling movements detected and applies them to the control device. In order to provide optimum stabilisation the control device , is configured in such a way that a roll angle and roll angular speed and/or roll angular …
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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 January 11, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 11, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 11, 2021.
- 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.