With 401 patents published between 2002 and 2022, Schindler Holding Ltd holds the most number of patents in the Construction sector in the South and Central America region.
The second largest number of patents were published by Gebr Knauf KG with 253 related patents, of which 73.9% was contributed by its subsidiary United States Gypsum Company. The third largest number of patents were published by Deere & Co with 251 related patents. The fourth largest number of patents were published by Halliburton Co with 212 related patents, of which 99.1% was contributed by its subsidiary Halliburton Energy Services Inc. The fifth largest number of patents were published by Compagnie de Saint-Gobain with 165 related patents, of which 51.5% was contributed by its subsidiary Saint-Gobain KK.
The top five patent holders, i.e., Schindler Holding Ltd, Gebr Knauf KG, Deere & Co, Halliburton Co, and Compagnie de Saint-Gobain, together held 1,282 patents during the period.
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