Hydraulic motor arrangement and method of operating a hydraulic motor
CA 2553320 C · Owner: Best, Bruno · Inventors: Van Riet, Egbert Jan; Best, Bruno
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Hydraulic motor arrangement comprising a hydraulic motor (1) and supply means , for supplying a drive liquid to the hydraulic motor (1) to drive the hydraulic motor. The supply means comprises a first (10) and a second (20) expel reservoir. The first expel reservoir (10) holds the drive liquid in a second compartment (17). A first compartment (16) is arranged in the expel reservoir (10) to receive a pressurized working fluid (16) different from the drive liquid from a high-pressure zone (HP), and upon receipt thereof to displace and expel the drive liquid from the first expel reservoir (10) into an expel system (100, 101) which includes the hydraulic motor (1). The second expel …
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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
- Filed January 21, 2005 and granted March 5, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 21, 2025.
- 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.