System for transferring fluids from a piping system in a ship's hull to a turning device, and vice versa
CA 2003726 A1 · Owner: Hanssen, Ketil · Inventors: Paasche, George W.; Hanssen, Ketil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for transferring fluids from a piping system in a ship's hull (2) to a turning device (5) which is rotatably connected thereto, during offshore production of oil or gas. The turning device is arranged for being anchored to the sea floor and for connection with at least one flexible riser (12, 13) and with hoses (56, 57, 76 77), which are, connected with the piping system via a manifold (14 15), for each flow of fluid. In order to permit unlimited mutual rotation of the turning device and the hull, sets of first coupling halves (54 55, etc.) are provided along the periphery of the turning device (5), and are connected with manifolds (14 15). Each, set comprises two first coupling …
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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 November 23, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 23, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 23, 2011.
- 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.