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Expired Canadian patentCanada

Fluid powered motor or pump

CA 2606869 C · Owner: Hydrodrives Technologies Inc. · Inventors: Brisland, Michael John

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A low pressure fluid powered motor or pump comprises a non-rotatable cover (k); an undulating lobe cam track (e) attached to the cover (k) and defining multiple crests and troughs; a rotatable cylinder block (c); at least three reciprocable pistons (d) each housed within a bore of the cylinder block (c) and each providing at one end a crown (d1) and at the other end a spherical , seating cup (d2); a ball (f) adapted to engage with the cam track (e); a nonrotatable manifold block (n) incorporating a plurality of ports (s) each , being radially disposed at equal intervals in an end face of the manifold block adjacent the pistons (d), with the ports (s) linked to galleries connected to a …

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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 May 9, 2006 and granted January 28, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 9, 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.
FiledMay 9, 2006
GrantedJanuary 28, 2014
Term endedMay 9, 2026
Patent numberCA 2606869 C
Classification (IPC)F04B1/20 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedMay 9, 2006Patent grantedJan 28, 2014Term endedMay 9, 2026

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.