Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
CC

Charles E. Capshew

PPPhillips Petroleum: 12 patents #139 of 1,401Top 10%
Bartlesville, OK: #167 of 1,143 inventorsTop 15%
Oklahoma: #754 of 12,736 inventorsTop 6%
Overall (All Time): #391,478 of 4,157,543Top 10%
13 Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
4680351 Supported polyolefin catalyst components and methods of making and using same Nemesio D. Miro, Floyd E. Farha, Jr. 1987-07-14
4626519 Supported polyolefin catalyst components and methods of making and using same Nemesio D. Miro, Floyd E. Farha, Jr. 1986-12-02
4461882 Olefin polymerization M. Bruce Welch, Richard E. Dietz, Joel L. Martin 1984-07-24
4429087 Polymerization catalyst and process 1984-01-31
4410671 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst Melvin B. Welch, Richard E. Dietz 1983-10-18
4406818 Olefin polymerization Joel L. Martin, M. Bruce Welch, Richard E. Dietz 1983-09-27
4405769 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst James N. Short, M. Bruce Welch, Richard E. Dietz 1983-09-20
4391736 Alpha-olefin polymerization 1983-07-05
4384087 Composition of matter and method of preparing same, catalyst, method of producing the catalyst and polymerization process employing the catalyst 1983-05-17
4363746 Composition of matter and method of preparing same, catalyst, method of producing the catalyst and polymerization process employing the catalyst 1982-12-14
4328121 Polymerization catalyst and process 1982-05-04
4326988 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst Melvin B. Welch, Richard E. Dietz 1982-04-27
4325837 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst James N. Short, M. Bruce Welch, Richard E. Dietz 1982-04-20