Fuel tank for an aircraft
CA 2575899 C · Owner: Tichborne, Franklin George · Inventors: Ley, Kim Michael; Tichborne, Franklin George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Unsafe electric energies can exist in aircraft fuel tanks as a result of static build-up or induced currents from lightning strikes. The invention provides an aircraft having a ground circuit (19) and including a fuel tank (1) having a fuel probe circuit having its own ground circuit (18). Multiple discharge paths (18-26-19) allow the safe discharge of electricity from the tank (1) before it reaches levels where an arc spark or other electric , discharge, able to ignite fuel in the tank could occur. The discharge paths , all pass via a conductive foam (26) having a relatively high impedance that allow static bleed, but does not significantly increase the risk of currents induced by …
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 2, 2005 and granted April 29, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 2, 2025.
- 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.