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Expired Canadian patentCanada

Anti-icing system for aeolian plants

CA 2502199 C · Owner: Battisti, Lorenzo · Inventors: Battisti, Lorenzo

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An for a Wind Energy Converting System (WECS in the following) for producing electric power, comprising the said de-icing and anti-icing arrangement and a method for preventing and eliminating the ice accretion on the blades of the rotor of an WECS are the subject matter of the present invention. Such an WECS (l; l'; 1"; 1"') is of the type comprising: - a tower (4; 4') apt to support , and anchor the said WECS (1; l'; 1"; 1"') to the ground or a basement - a , nacelle(3), located on said tower (4; 4') to which there are associated , first means (9 1N, 10; TR) for transforming the rotating movement of a rotor in order to generate electric power to be introduced into an electric …

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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 October 16, 2003 and granted April 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 16, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 16, 2025.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 16, 2003
GrantedApril 24, 2012
Term endedOctober 16, 2023
Patent numberCA 2502199 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedOct 16, 2003Patent grantedApril 24, 2012Term endedOct 16, 2023

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.