DE

Donald A. Eizenga

UO Uop: 28 patents #96 of 1,854Top 6%
Overall (All Time): #135,745 of 4,157,543Top 4%
28
Patents All Time

Issued Patents All Time

Showing 25 most recent of 28 patents

Patent #TitleCo-InventorsDate
12110459 Process for producing diesel fuel from a biorenewable feed with recycled sulfur David A. Wegerer, James T. Wexler, Xin X. Zhu, Rafael Alcala, Ashish Mathur +2 more 2024-10-08
11952541 Process for hydrotreating a feed stream comprising a biorenewable feedstock with treatment of an off-gas stream James T. Wexler, Rafael Alcala, Xin X. Zhu, Jan De Ren, Saravanaperumal Sivaprakasam 2024-04-09
11859142 Hydrocracking process for maximization of naphtha Yoga R. Ayar, Rajesh Sivadasan, Richard K. Hoehn 2024-01-02
11667848 Power recovery from quench and dilution vapor streams Stanley J. Frey, Keith A. Couch, James W. Harris 2023-06-06
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
10829705 Process and apparatus for hydrocracking with stripping gas sponge absorber Hari S. Bajpai 2020-11-10
10829704 Process and apparatus for hydrocracking with prefractionator for stripped streams Hari S. Bajpai 2020-11-10
10829698 Power recovery from quench and dilution vapor streams Stanley J. Frey, Keith A. Couch, James W. Harris 2020-11-10
10822556 Process and apparatus for hydrocracking with heavy fractionation column Hari S. Bajpai, Richard K. Hoehn 2020-11-03
10753235 Use of recovered power in a process James W. Harris, Michael R. Van de Cotte, David A. Wegerer 2020-08-25
10751639 Process and apparatus for hydrocracking with integrated dual stripping columns Hari S. Bajpai 2020-08-25
10739798 Incipient temperature excursion mitigation and control Jorge Charr, Raul A. Ohaco, Ralph P. Davis, Christina L. Haasser, James W. Harris +2 more 2020-08-11
10550338 Process for recovering hydrocracked effluent Massimo Sangalli, Richard K. Hoehn, Saadet Ulas Acikgoz, Trung Pham 2020-02-04
10526545 Processes for stripping contaminants from multiple effluent streams Xin X. Zhu, Richard K. Hoehn, Paul C. Steacy 2020-01-07
10457878 Process for recovering hydrocracked effluent Massimo Sangalli, Richard K. Hoehn, Saadet Ulas Acikgoz, Trung Pham 2019-10-29
10435635 Hydrocracking process and apparatus with heavy polynuclear aromatics removal from a reboiled column Richard K. Hoehn 2019-10-08
10125328 Processes for separating multiple streams from a feed Xin X. Zhu, Joel Kaye, David E. Bachmann 2018-11-13
10011786 Hydrocracking process and apparatus with HPNA removal Richard K. Hoehn, Michael Pedersen 2018-07-03
9637699 Methods for processing nitrogen rich renewable feedstocks Daniel L. Ellig 2017-05-02
9416321 Separation process with modified enhanced hot separator system Mark Van Wees, Paul C. Steacy 2016-08-16
9296958 Process and apparatus for treating hydrocarbon streams Shixue Wen, Mark W. Mucek, Steven A. Bradley, Benjamin L. Tiemens 2016-03-29