Line of products for gear pumps having different delivery capacity and method for producing said individual gear pumps of said line products
CA 2317013 A1 · Owner: Korner, Tillmann · Inventors: Korner, Tillmann
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a line of products for gear pumps having different delivery volumes and which comprise at least two gear pumps (1 100). Each , gear pump comprises at least two displacement elements (45 104, 105) which , intermesh with each other a first displacement element (4, 104) and a second displacement element (5, 105) which are shaped as gearwheels. The individual gear pumps of the line of products are provided with a) essentially identical measurements for the axle base (a) between the theoretical axles and/or the theoretical rotational axles of said two displacement elements and b) an essentially identical toothing (zb1, zb2) in the form of an essentially identical …
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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 October 18, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 18, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 18, 2021.
- 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.