With 43 patents held between 2002 and 2022, BASF SE holds the most number of Circular Economy patents in the Construction sector in the Europe region, of which 62.8% was contributed by Construction Research & Technology Gmbh.
The second largest number of patents were held by Halliburton Co with 39 Circular Economy patents. The third largest number of patents were held by Holcim Ltd with 26 Circular Economy patents, of which 73.1% was contributed by Lafarge SA. The fourth largest number of patents were held by Schlumberger Ltd with 23 Circular Economy patents. The fifth largest number of patents were held by Gebr Knauf KG with 20 Circular Economy patents, of which 70.0% was contributed by United States Gypsum Company.
The top five patents holders, i.e., BASF SE, Halliburton Co, Holcim Ltd, Schlumberger Ltd, and Gebr Knauf KG, together held 151 Circular Economy patents during the period.
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