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

Donald A. Eizenga — 5 Patents in 2021

UOUop: 5 patents #5 of 215Top 3%
Elk Grove Village, IL: #4 of 32 inventorsTop 15%
Illinois: #368 of 8,822 inventorsTop 5%
Overall (2021): #33,873 of 548,734Top 7%
5 Patents 2021

Issued Patents 2021

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
11194301 System for power recovery from quench and dilution vapor streams Stanley J. Frey, Keith A. Couch, James W. Harris, Thomas Ebner 2021-12-07
11008520 Process for reconfiguring existing treating units in a refinery James T. Wexler, Jose R. Rojas 2021-05-18
11001769 Process and apparatus for hydrocracking with prefractionator for stripped streams Hari S. Bajpai 2021-05-11
10920624 Energy-recovery turbines for gas streams Jason Lee Stahlman, William M. Hartman 2021-02-16
10899977 Process and apparatus for hydrocracking with light fractionation column with three products Hari S. Bajpai 2021-01-26