Method and apparatus for using hot fuels to de-ice aircraft
CA 2208959 C · Owner: Koethe, Terence L. · Inventors: Reid, Gary L.; Wilson, Richard M.; Koethe, Terence L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and apparatus are provided for de-icing an aircraft (13) of the type having wings (15) and fuel storage (17) in the wings (15). Hot fuel is provided for fueling the aircraft (13). The hot fuel is at elevated temperatures which are sufficiently high enough to transfer heat from the fuel, through a fuel tank (17) extending within the wings (15) and to the , exterior of the wings (15) to de-ice the aircraft (13). A storage tank (29) stores the fuel, and a heater (31) heats the fuel to elevated temperatures. An intermediate thermal transfer system (47) having a secondary thermal fluid (55) transfers heat from a primary power source (45) to the fuel. Further a , substantial …
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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 December 21, 1995 and granted May 28, 2002. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 21, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 21, 2017.
- 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
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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.