Collection and separation of uncontrolled blow out material from bore holes in the ocean floor
CA 1107661 A · Owner: Akers Mek. Verksted A/S · Inventors: Fannelop, Torstein K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, Arrangements for the collection and separation of uncontrolled blow out material from bore holes in the ocean floor. A collecting device is employed for positioning on the surface of the sea above the discharge location in the form of an annular wall surrounding a contaminated zone and preventing the spread of the dicharge. The device includes a bell-shaped shell defining a hollow space adapted to be coupled to a source of reduced pressure for maintaining the space at a reduced pressure.
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 August 25, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 25, 1998.
- 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.