Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Patrick D. Walker — 12 Patents

UOUop: 11 patents #275 of 1,854Top 15%
AFAdministrators Of The Tulane Educational Fund: 1 patents #110 of 278Top 40%
Paddy Lane, IL: #44 of 467 inventorsTop 10%
Illinois: #7,339 of 84,256 inventorsTop 9%
Overall (All Time): #396,045 of 4,157,543Top 10%
12 Patents All Time
Patrick D. Walker has been granted 12 US patents while listed as an inventor at Uop. The first was granted in 1992 and the most recent in January 2022. Patrick D. Walker ranks #396,045 of 4,157,543 US inventors in our database (top 9.5%). Patent records list Patrick D. Walker in Paddy Lane, IL, US.

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
11214741 Fluid catalytic cracking process for cracking multiple feedstocks Lev Davydov, Robert L. Mehlberg, Matthew R. Wojtowicz, Sakthivelan Maadasamy Durai, Sathit Kulprathipanja 2022-01-04
10960390 Partial burn combustor regenerator 2021-03-30
10246645 Methods for reducing flue gas emissions from fluid catalytic cracking unit regenerators Derek Froehle, Stanley J. Frey, Andrew R. Novotny 2019-04-02
9522376 Process for fluid catalytic cracking and a riser related thereto Raymond Peterman, Chad R. Huovie 2016-12-20
9283533 Catalyst regenerators and methods for regenerating catalysts Minaz Makhania, Dharmesh Chunilal Panchal 2016-03-15
9233354 Sealing system for a fluid catalyst cracking regenerator Michael S. Sandacz, Michael A. Stine, Mark A. La Vine, Melvin Paden, James W. Althoff 2016-01-12
8999146 Process for feed preheating with flue gas cooler Yunbo Liu, Xin X. Zhu, Daniel N. Myers 2015-04-07
8815165 Systems and methods for distributing particulate material into a particulate vessel and FCC units including the systems 2014-08-26
8007729 Apparatus for feed preheating with flue gas cooler Yunbo Liu, Xin X. Zhu, Daniel N. Myers 2011-08-30
7744744 Converted FCC bubbling bed regenerator Paolo Palmas, Frank S. Rosser, Jr. 2010-06-29
7547427 Multiple stage separator vessel Daniel N. Myers, Jeffrey A. Sexton, John Frederick Hill 2009-06-16
5091180 Protection against rhabdomyolysis-induced nephrotoxicity Sudhir Shah 1992-02-25