Actuation structure for internal fuel cell metering valve and associated combustion tool
CA 2624669 C · Owner: Vanstaan, Valery H. · Inventors: Vanstaan, Valery H.; Gibson, Eric S.; Wagady, Mohamed K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A combustion-powered fastener driving tool (10) employing a fuel -cell (20) having an internal fuel metering valve (22) with an axially reciprocating delivery stem (24), an actuator (34) is provided for causing the dispensing of a desired dose of fuel from the fuel cell (20) prior to each combustion event the actuator (34) including at least one actuator element configured for exerting an axial force on the stem (24) releasing the dose of fuel, and a , fuel conduit (50) associated with the element and being in fluid communication with the stem (24) for transmitting the fuel for delivery to a combustion engine.
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 August 23, 2006 and granted December 4, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 23, 2026.
- 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.