Lockdown mechanism for wellhead connector
CA 1189446 A · Owner: Nelson, Norman A. · Inventors: Nelson, Norman A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
23-, Abstract, A connector for subsea wellhead bodies comprises a connector body adapted to be connected to a subsea wellhead body in generally coaxial alignment therewith. Latches carried by the connector body are engagable with the wellhead body to so connect the bodies. An actuator is operatively associated with the latches and longitudinally extendible for extending the latches into such engagement with the wellhead body. A lock assembly is provided for selectively locking the actuator in its longitudinally extended position. The lock assembly comprises inner and outer lock portions, the outer portion telescopically receiving the inner portion with a tight interference fit. The lock …
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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
- Granted June 25, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2002.
- 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.