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Expired Canadian patentCanada

Methods and apparatus for assembling a bearing assembly

CA 2504173 C · Owner: Sexton, Larry Jay · Inventors: Sexton, Larry Jay; Singh, Anant Pal

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Abstract From the Canadian patent

A method for predicting bearing failure wherein the bearing (60) includes an inner race (62) an outer race (66), and a plurality of rolling elements (70) between the inner and outer race. The method includes coupling a sensor assembly (100) to the outer race the sensor assembly including at least one temperature sensor (104) and at least one acoustic sensor (102) generating a bearing performance model based on an initial signal received from the sensor assembly receiving a second signal from the sensor assembly and comparing the second signal to the bearing performance model to predict a bearing failure.

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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 14, 2005 and granted May 20, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 14, 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.
FiledApril 14, 2005
GrantedMay 20, 2014
Term endedApril 14, 2025
Patent numberCA 2504173 C
Classification (IPC)F02C7/06 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 14, 2005Patent grantedMay 20, 2014Term endedApril 14, 2025

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