Electromagnetic valve
CA 2543157 C · Owner: Adam Opel, Gmbh · Inventors: Perthel, Klaus; Jauss, Andreas
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an electromagnetic valve for a vehicle gas cylinder said valve , comprising: a valve body (4); an external thread section of the valve body that can be , screwed into an internal thread on the gas cylinder; a section of the valve body (4) , protruding into the gas cylinder; a shut-off piston (31); and electromagnetic control , elements (25, 28, 29) which can be used to displace the shut-off piston (31) from a , conducting position into a closed position. The valve body (4) comprises a cavity (15) for , receiving the shut-off piston (31) and the control elements (25 28, 29), said , cavity being , located inside the thread section and/or in the section of 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
- Filed October 21, 2004 and granted August 20, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 21, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.