Flow metering turbine
CA 2263964 A1 · Owner: Pabois, Didier · Inventors: Pabois, Didier
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention concerns a flow metering turbine comprising a tubular body (1) run through by the fluid to be measured (A) and housing: an upstream cross pin (2) and a downstream cross pin (3) each formed by a hub (21 31) and fixed blades (22, 32), bearing the hub in the tubular body (1) the opposite surfaces (23, 33) of the hubs (2 3) having a cavity (24, 34) in the axis (X-X) of the tubular body (1) for receiving a bearing/stop assembly (50 51), a propeller (4) formed by a hub (41) bearing the blades (42) and an axle (44 44A, 44B), located between the cross pins (2 3), the ends (44A, 44B) of the axle being located in the bearings (50) of the cross pins (2 3) and against the stops (51). 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 August 19, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 19, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 19, 2019.
- 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.