Mechanism for providing motive force and for pumping applications
CA 2286095 A1 · Owner: Hartman, Michael G. · Inventors: Hartman, Michael G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Provided in accordance with the principles of the present invention in one , preferred embodiment, is a pumping system (90). The system includes a housing (108) rotatably supporting a tube (112) with a plurality of magnets (116) , located around the tube. The magnets create magnetic forces that cause the tube to rotate. The system further includes a pump (94) connected to the tube. When the tube rotates, the pump receives rotational mechanical energy which , operates the pump. Additionally the tube and pump are connected in fluid communication such that fluid flows through the pump and the tube when the , system operates to pump a fluid. Preferably the outlet end (98) of the pump , …
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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 March 31, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 31, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 31, 2020.
- 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.