With 63 Smart Materials related patents published between 2002 and 2022, Halliburton Co holds the most number of Smart Materials patents in Canada, of which 90.5% was contributed by its subsidiary Halliburton Energy Services Inc.
The second largest number of Smart Materials related patents were published by Emerson Electric Co with 52 patents, of which 53.8% was contributed by its subsidiary Daniel Measurement And Control, Inc.. The third largest number of Smart Materials related patents were published by Baker Hughes Co with 51 patents, of which 90.2% was contributed by its subsidiary Baker Hughes Srl. The fourth largest number of Smart Materials related patents were published by BlackBerry Ltd with 51 patents. The fifth largest number of Smart Materials related patents were published by Centre National de la Recherche Scientifique with 51 patents.
The top five patent holders, i.e., Halliburton Co, Emerson Electric Co, Baker Hughes Co, BlackBerry Ltd, and Centre National de la Recherche Scientifique, together held 268 Smart Materials patents during the period.
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