Waste heat auxiliary tank system method and apparatus
CA 2268231 C · Owner: Hill, Gary G. · Inventors: Hill, Gary G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A waste heat auxiliary tank system is provided for transferring heat from the coolant of an internal combustion engine to process water contained in an auxiliary water, storage tank. The waste heat auxiliary tank system operates by drawing coolant from the, engine of a truck, diverting the coolant through a common heat exchanger of the type, employing coils, tubes or the like and pumping process water through the heat exchanger, where heat is transferred from the coolant to the process water to an , auxiliary water storage, tank for storing the hot process water on the truck. Importantly the waste , heat auxiliary, tank system includes at least one automatically activated multiport …
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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 6, 1999 and granted September 17, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 6, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 6, 2021.
- 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.