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Expired Canadian patentCanada

Compensated valve

CA 2662459 C · Owner: Svanebjerg, Elo · Inventors: Jakobsen, Martin Hoejholm; Svanebjerg, Elo

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

In a valve assembly (1) comprising a valve housing (2) a valve seat (3) and a valve body (4) adapted to fit in closing relationship in said valve seat (3) in a closed position said housing (2) has an inlet (5) and an outlet (6) for a pressurized fluid positioned upstream and downstream of the valve members respectively. The valve has a closed position being maintained by a closing force e.g. from a compression spring (7) and an open position wherein the valve seat (3) and/or the valve body (4) are moved away from each other by an activating mechanism. A pressure balancing line (11) is provided internally or externally of the housing (2) wherein fluid of the fluid flow downstream of the …

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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 September 8, 2006 and granted June 17, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 8, 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.
FiledSeptember 8, 2006
GrantedJune 17, 2014
Term endedSeptember 8, 2026
Patent numberCA 2662459 C
Classification (IPC)F16K39/02

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedSep 8, 2006Patent grantedJune 17, 2014Term endedSep 8, 2026

Sources & verification

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