With 67 patents published between 2002 and 2022, Halliburton Co holds the most number of patents in the Automotive sector in Norway, of which 52.2% was contributed by its subsidiary Landmark Graphics Corp.
The second largest number of patents were published by Schlumberger Ltd with 50 related patents, of which 64.0% was contributed by its subsidiary Schlumberger Technology BV. The third largest number of patents were published by Siemens AG with 43 related patents. The fourth largest number of patents were published by Baker Hughes Co with 33 related patents, of which 57.6% was contributed by its subsidiary Baker Hughes Srl. The fifth largest number of patents were published by ThyssenKrupp AG with 29 related patents, of which 93.1% was contributed by its subsidiary ThyssenKrupp Uhde GmbH.
The top five patent holders, i.e., Halliburton Co, Schlumberger Ltd, Siemens AG, Baker Hughes Co, and ThyssenKrupp AG, together held 222 patents during the period.
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