Steerable drilling system
CA 2539668 C · Owner: Menger, Christian · Inventors: Richards, Edward; Smith, David L.; Menger, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A steerable drilling system comprises a bias unit 10 the bias unit 10 having at least one actuator 14 operable by pressurised drilling fluid or mud in use, and a separator 20 arranged to remove particulate matter from the supply of pressurised drilling fluid or mud to the or each actuator 14 the separator 20 comprising a hydrocyclone 20.
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
- Filed March 14, 2006 and granted August 14, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 14, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.