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Lev Davydov — 45 Patents

UOUop: 41 patents #61 of 1,854Top 4%

BCBoreskov Institute Of Catalysis: 4 patents #13 of 22Top 60%

TLThe Boc Group Limited: 1 patents #366 of 612Top 60%

Honeywell: 1 patents #13,146 of 16,504Top 80%

The Procter & Gamble: 1 patents #7,576 of 10,297Top 75%

Northbrook, IL: #18 of 772 inventorsTop 3%

Illinois: #998 of 84,256 inventorsTop 2%

Overall (All Time): #64,393 of 4,157,543Top 2%

45 Patents All Time

Lev Davydov has been granted 45 US patents while listed as an inventor at Uop. The first was granted in 2003 and the most recent in September 2025. Lev Davydov ranks #64,393 of 4,157,543 US inventors in our database (top 1.5%). Patent records list Lev Davydov in Northbrook, IL, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12403440	Apparatus for distributing feed with a cluster of orifices on a side of the distributor	Zhihao Fei, Robert L. Mehlberg, Mohammad-Reza Mostofi-Ashtiani, Sathit Kulprathipanja, Michael S. Sandacz	2025-09-02
12337306	Catalyst regneration with inverted cooler	Minaz Makhania, Dharmesh Chunilal Panchal, Sakthivelan Maadasamy Durai, Richard A. Johnson, Sathit Kulprathipanja	2025-06-24
11725153	Process and apparatus for recovering catalyst from a product stream	Joseph A. Montalbano, John J. Senetar, Nasim Ghazinoor, Richard A. Johnson	2023-08-15
11649960	Low NOx burner with bypass conduit	Kurt Kraus, Dusty Ray Richmond, William J. Whyman	2023-05-16	$35,160,000
11577237	Process and apparatus for regenerating catalyst with supplemental fuel	John J. Senetar	2023-02-14
11517869	Riser extension apparatus and process	Robert L. Mehlberg, Michael A. Stine, Sathit Kulprathipanja	2022-12-06
11285417	Apparatus and process for capturing product gases from catalyst stripper	Robert L. Mehlberg, Matthew R. Wojtowicz, Michael A. Stine	2022-03-29
11286217	Process and apparatus for reacting feed with fluidized catalyst and confined quench	Richard A. Johnson	2022-03-29
11261143	Apparatus and process for separating gases from catalyst	Mohammad-Reza Mostofi-Ashtiani, Robert L. Mehlberg	2022-03-01
11214741	Fluid catalytic cracking process for cracking multiple feedstocks	Robert L. Mehlberg, Matthew R. Wojtowicz, Patrick D. Walker, Sakthivelan Maadasamy Durai, Sathit Kulprathipanja	2022-01-04
10913043	Apparatuses for mixing of staged methanol injection	—	2021-02-09
10751684	FCC counter-current regenerator with a regenerator riser	Michael S. Sandacz, Paolo Palmas, Zhihao Fei, Matthew Lippmann	2020-08-25
10239054	FCC counter-current regenerator with a regenerator riser	Michael S. Sandacz, Paolo Palmas, Zhihao Fei, Matthew Lippmann	2019-03-26
10071357	Compact two-stage regenerator and process for using	Robert L. Mehlberg, Paolo Palmas, Michael A. Stine	2018-09-11
9981261	Process for using a compact two-stage regenerator	Robert L. Mehlberg, Paolo Palmas, Michael A. Stine	2018-05-29
9914090	Vapor-liquid contacting apparatuses and methods for removing contaminants from gas streams	Xiaoming Wen, Lubo Zhou	2018-03-13
9890338	Process and apparatus for hydroprocessing and cracking hydrocarbons	—	2018-02-13
9783749	Process and apparatus for cracking hydrocarbons with recycled catalyst to produce additional distillate	—	2017-10-10
9777228	Process for cracking hydrocarbons to make diesel	—	2017-10-03
9777229	Process and apparatus for hydroprocessing and cracking hydrocarbons	—	2017-10-03
9732290	Process and apparatus for cracking hydrocarbons with recycled catalyst to produce additional distillate	—	2017-08-15
9527054	Apparatuses and methods for cracking hydrocarbons	Trung Pham, Lance Awender Baird	2016-12-27
9457294	Apparatus and process for contacting and separating liquids	Andrey Kuzmin, Aziz Sattar	2016-10-04
9458068	Process and vessel for removing one or more sulfur compounds	Andrey Kuzmin, Aziz Sattar, Jonathan Andrew Tertel	2016-10-04
9266103	Catalyst regenerators and methods for regenerating catalysts	Mohammad-Reza Mostofi-Ashtiani, Paolo Palmas	2016-02-23