Ni-cr-co alloy for advanced gas turbine engines
CA 2560147 C · Owner: Pike, Lee M. Jr. · Inventors: Pike, Lee M. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wrought age-hardenable nickel-chromium-cobalt based alloy suitable for use in high temperature gas turbine transition ducts possessing a combination of three specific key properties namely resistance to strain age cracking good thermal stability, and good creep--rupture strength contains in weight percent 17 to 22 chromium 8 to 15 cobalt, 4.0 to 9.1 molybdenum, up to 7 tungsten 1.39 to 1.65 aluminum, 1.50 to 2.30 titanium up to 0.80 niobium, 0.01 to 0.2 carbon up to 0.01 boron, up to 3 iron, up to 1.5 tantalum and less than 0.02 zirconium with a balance of nickel and impurities. Certain alloying elements must be present in amounts according to two equations here disclosed.
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 September 15, 2006 and granted April 22, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 15, 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.