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USPTO Patent Rankings Data through Sept 30, 2025
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Arie Van Zon — 28 Patents

Shell Oil Compny: 27 patents #74 of 4,423Top 2%
BGBasell Polyolefine Gmbh: 1 patents #272 of 517Top 55%
Overall (All Time): #139,339 of 4,157,543Top 4%
28 Patents All Time

Issued Patents All Time

Showing 26–28 of 28 patents

Patent #TitleCo-InventorsDate
4970009 Modified VI improvers Terence Bates 1990-11-13
4288333 Dissolving barium sulfate scale with aqueous solutions of salts of phosphomethyl and amino-substituted macrocyclic polyethers Feike De Jong, Gerridina J. Torny-Schutte 1981-09-08
4254034 Macrocyclic polyether complexes and method for polyether isolation using said complexes 1981-03-03