Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
Partial year: Data through Q3 2025 (Sept 30). Full-year totals not yet available.
DC

Derrick B. Callander — 2 Patents in 2025

ExxonMobil: 2 patents #26 of 375Top 7%
Humble, TX: #6 of 31 inventorsTop 20%
Texas: #1,899 of 13,174 inventorsTop 15%
Overall (2025): #130,651 of 469,880Top 30%
2 Patents 2025

Issued Patents 2025

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12391892 Integration of polymeric waste co-processing in cokers to produce circular chemical products from coker gas oil Bryan A. Patel, Brenda A. Raich, Steven M. Slack, Eric M. Yucha, Fritz A. Bernatz +2 more 2025-08-19
12365839 Integration of polymeric waste co-processing in cokers to produce circular chemical products from coker gas Bryan A. Patel, Brenda A. Raich, Steven M. Slack, Eric M. Yucha, Fritz A. Bernatz +2 more 2025-07-22