Rotary steerable motor system for underground drilling
CA 2889616 C · Owner: Aps Technology Holdings, Inc. · Inventors: Wassell, Mark E.; Barbely, Jason R.; Turner, William E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for rotating and guiding a drill bit (13) in an underground bore includes a drilling motor (25) and a drive shaft (31) . The system further includes a guidance module having an actuating arm (112) movable between an extended position wherein the actuating arm can contact a surface of the bore and thereby exert a force on the housing of the guidance module and a retracted position. Furthermore the guidance module may comprise a hydraulic system with a pump (114) and a valve (120) . Also a second motor can be used.
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 April 26, 2006 and granted April 11, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 26, 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.