Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
JK

Jay C. Knepper — 6 Patents

AMAmoco: 3 patents #256 of 1,251Top 25%
GOGulf Oil: 2 patents #34 of 100Top 35%
S(Standard Oil Company (Indiana): 2 patents #142 of 576Top 25%
Denver, CO: #666 of 4,554 inventorsTop 15%
Colorado: #7,724 of 40,980 inventorsTop 20%
Overall (All Time): #779,687 of 4,157,543Top 20%
6 Patents All Time
Jay C. Knepper has been granted 6 US patents while listed as an inventor at Amoco. The first was granted in 1984 and the most recent in September 1994. Jay C. Knepper ranks #779,687 of 4,157,543 US inventors in our database (top 18.8%). Patent records list Jay C. Knepper in Denver, CO, US.

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5347475 Method for transferring spectral information among spectrometers James L. Taylor 1994-09-13 $31,660,000
4786368 Static mixer retorting of oil shale Earl D. York, John M. Forgac 1988-11-22 $9,819,000
4721560 Static mixer retorting of oil shale Earl D. York, John M. Forgac 1988-01-26 $10,961,000
4597852 Static mixer retorting of oil shale Earl D. York, John M. Forgac 1986-07-01
4454915 In situ retorting of oil shale with air, steam, and recycle gas Earl D. York 1984-06-19 $15,691,000
4447090 Process for forming an in situ oil shale retort 1984-05-08