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USPTO Patent Rankings Data through Dec 31, 2025
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John C. Knutsen — 6 Patents

Basf Se: 6 patents #2,778 of 13,826Top 25%
Highland Park, NJ: #82 of 409 inventorsTop 25%
New Jersey: #14,312 of 69,400 inventorsTop 25%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
John C. Knutsen has been granted 6 US patents while listed as an inventor at Basf Se. The first was granted in 1992 and the most recent in August 1993. John C. Knutsen ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list John C. Knutsen in Highland Park, NJ, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
5240657 Process for making expanded polymeric product with low level of emission of blowing agent William H. Harclerode, Eugene K. Zimmermann, Barry J. Pekich, John V. Wiman, John Charles Voss 1993-08-31
5114640 Time-efficient process for making expanded polymeric products with multipass expansion of polystyrene bead William H. Harclerode, Barry J. Pekich, John V. Wiman, John Charles Voss 1992-05-19
5110524 Process for making molded polymeric product with multipass expansion of polymer bead with low blowing agent content William H. Harclerode, William E. Volz, John V. Wiman, John Charles Voss, Barry J. Pekich 1992-05-05
5110836 Time-efficient process for making expanded polymeric products with multipass expansion of polystyrene bead William H. Harclerode, Barry J. Pekich, John V. Wiman, John Charles Voss 1992-05-05
5110837 Process for making molded polymeric product with multipass expansion of polymer bead with low blowing agent content William H. Harclerode, William E. Volz, John V. Wiman, John Charles Voss, Barry J. Pekich 1992-05-05
5086078 Process for making expanded polymeric product with low level of emission of blowing agent William H. Harclerode, Eugene K. Zimmermann, Barry J. Pekich, John V. Wiman, John Charles Voss 1992-02-04