Noise reducing fluid passageways for fluid flow control devices
CA 2600341 C · Owner: Haines, Bradford · Inventors: Haines, Bradford
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Trim disk assemblies for use in fluid flow control devices include a first disk (30) and a second disk (40) . An elongated void (34,44) is formed in a surface of each of the first disk and the second disk. The second disk is aligned with the first disk to provide fluid communication between the void of the first disk and the void of the second disk the void of the first disk , being offset or staggered from the void of the second disk. The void of the first disk and the void of the second disk at least partially define a fluid passageway (50) having a cross-sectional area characterized by increases and decreases in cross-sectional area, which define an expansion/contraction …
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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 February 28, 2006 and granted August 27, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 28, 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.