Throttle modulation device for combustion engine
CA 2378654 C · Owner: Clemence, Mark · Inventors: Clemence, Mark; Elliott, Donald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates generally to combustion engines and more , specifically, to, an apparatus for controlling the power of combustion engines which have electrically-, modulated throttle systems (also known as drive-by-wire throttle systems). There are, many applications in which it is desirable to modify the throttle control system of, vehicles, for example, in limiting the power production of trucks operating in under, ground mines. It is prohibitively expensive for vehicle manufacturers to supply such, modified vehicles, so a system must be provided and installed as an after market, product. The invention provides a simple and inexpensive solution in the form of a, …
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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 April 22, 2002 and granted February 11, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 22, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 22, 2024.
- 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.