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

Riley B. Needham — 3 Patents in 2021

PPPhillips Petroleum: 3 patents #14 of 147Top 10%
UKUniversity Of Kansas: 3 patents #3 of 75Top 4%
Bartlesville, OK: #21 of 74 inventorsTop 30%
Oklahoma: #84 of 1,049 inventorsTop 9%
Overall (2021): #66,053 of 548,734Top 15%
3 Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11186765 Delayed gelling agents Ying-Ying Lin, Cory Berkland, Jenn-Tai Liang, Ahmad Moradi-Araghi, Terry M. CHRISTIAN +4 more 2021-11-30 $798,974,000
11136492 Low pH crosslinking of polymers Huili Guan, Cory Berkland, Ahmad Moradi-Araghi, Jenn-Tai Liang, Terry M. CHRISTIAN +3 more 2021-10-05
11034883 Low molecular weight polyacrylates for EOR Stephen J Johnson, Cory Berkland, Ahmad Moradi-Araghi, Jenn-Tai Liang, Terry M. CHRISTIAN +3 more 2021-06-15