With 362 patents published between 2002 and 2022, Halliburton Co holds the most number of patents in the Oil & Gas sector in Saudi Arabia, of which 59.4% was contributed by its subsidiary Landmark Graphics Corp.
The second largest number of patents were published by BASF SE with 84 related patents. The third largest number of patents were published by Shell plc with 83 related patents, of which 98.8% was contributed by its subsidiary Shell Internationale Research Maatschappij B.V.. The fourth largest number of patents were published by AstraZeneca Plc with 81 related patents, of which 93.8% was contributed by its subsidiary AstraZeneca AB. The fifth largest number of patents were published by Baker Hughes Co with 77 related patents, of which 54.5% was contributed by its subsidiary Baker Hughes Srl.
The top five patent holders, i.e., Halliburton Co, BASF SE, Shell plc, AstraZeneca Plc, and Baker Hughes Co, together held 687 patents during the period.
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