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USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Capshew — 13 Patents

PPPhillips Petroleum: 12 patents #211 of 2,506Top 9%
Bartlesville, OK: #168 of 1,143 inventorsTop 15%
Oklahoma: #758 of 12,736 inventorsTop 6%
Overall (All Time): #362,438 of 4,157,543Top 9%
13 Patents All Time
Charles E. Capshew has been granted 13 US patents while listed as an inventor at Phillips Petroleum. The first was granted in 1982 and the most recent in July 1987. Charles E. Capshew ranks #362,438 of 4,157,543 US inventors in our database (top 8.7%). Patent records list Charles E. Capshew in Bartlesville, OK, US.

Patents per Year

Patents granted per year, 1982 to 1987Bar chart with a peak of 5 patents in 1983.peak 51982: 4 patents19821983: 5 patents19831984: 2 patents19841986: 1 patents19861987: 1 patents1987

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
4680351 Supported polyolefin catalyst components and methods of making and using same Nemesio D. Miro, Floyd E. Farha, Jr. 1987-07-14 $5,559,000
4626519 Supported polyolefin catalyst components and methods of making and using same Nemesio D. Miro, Floyd E. Farha, Jr. 1986-12-02 $6,916,000
4461882 Olefin polymerization M. Bruce Welch, Richard E. Dietz, Joel L. Martin 1984-07-24 $4,576,000
4429087 Polymerization catalyst and process 1984-01-31 $18,315,000
4410671 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst Melvin B. Welch, Richard E. Dietz 1983-10-18 $13,350,000
4406818 Olefin polymerization Joel L. Martin, M. Bruce Welch, Richard E. Dietz 1983-09-27 $5,779,000
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 $22,853,000
4384087 Composition of matter and method of preparing same, catalyst, method of producing the catalyst and polymerization process employing the catalyst 1983-05-17 $4,749,000
4363746 Composition of matter and method of preparing same, catalyst, method of producing the catalyst and polymerization process employing the catalyst 1982-12-14 $48,034,000
4328121 Polymerization catalyst and process 1982-05-04 $8,880,000
4326988 Catalyst, method of producing the catalyst, and polymerization process employing the catalyst Melvin B. Welch, Richard E. Dietz 1982-04-27 $5,435,000
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 $11,014,000