Well head with adjustable flow for the exploitation of biogas
CA 1289869 C · Owner: Biogaz System Depollution Valorisation Sarl -B.S.D.V.- · Inventors: Morizot, Denis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A well head (1) has a flow controlling device which comprises a needle (30, 40) which is arranged between two chambers of reduced pressure (17, 18) which are connected to a canalisation network and to the well respectively. A hydraulic survey device (80) permits the evacuation of condensed water without incurring a modification of the reduced pressure. Such well heads may be used for progressive wells for the exploitation of biogas generated by deposit of household waste. FIGURE 1.
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 October 1, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2008.
- 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.