Running tool
CA 1316455 C · Owner: Cooper Industries, Inc. · Inventors: Theiss, David H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A running tool for lowering, landing and setting a well structure, such as a hanger and an annular seal for sealing between the exterior of the hanger and the interior of the well in which the well structure is landed including a mandrel having means for connecting to a running string, a tool body surrounding and carried by said mandrel and having a plurality of windows in its lower portion in which latch element are carried an, actuator sleeve surrounding said mandrel and positioned within said tool body and being free to move axially thereof to engage said latching elements to move them into latching engagement with the interior of the well in the landing position, means for releasably …
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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.