Flow meter and its use
CA 1317475 C · Owner: Kobold, Klaus · Inventors: Kobold, Klaus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Flow meter and its use, The invention concerns the use of a flow meter with a circular cylindrical housing that has an essentially even inside diameter over its full length, through which the medium to be measured flows, and a resistance body led in a sealing manner against the inside wall of the housing by means of the flow of the liquid medium preferably against the effect of a spring with progressive characteristic line, whereby the resistance body has a hollow cylinder forming an inner axially passable flow channel and its narrowest part is formed by the essentially circular cylindrical hole of a pin diaphragm, hold in an exchangeable manner in the hollow cylinder, with, compared to the …
Read the whole patent
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
- Granted May 11, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 11, 2010.
- 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.