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USPTO Patent Rankings Data through Dec 31, 2025
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ChangMin Chun — 67 Patents

ExxonMobil: 67 patents #79 of 10,161Top 1%
Annandale, NJ: #3 of 185 inventorsTop 2%
New Jersey: #510 of 69,400 inventorsTop 1%
Overall (All Time): #31,718 of 4,157,543Top 1%
67 Patents All Time
ChangMin Chun has been granted 67 US patents while listed as an inventor at ExxonMobil. The first was granted in 2003 and the most recent in June 2024. ChangMin Chun ranks #31,718 of 4,157,543 US inventors in our database (top 0.76%). Patent records list ChangMin Chun in Annandale, NJ, US.

Issued Patents All Time

Showing 1–25 of 67 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12000027 Bimetallic materials comprising cermets with improved metal dusting corrosion and abrasion/erosion resistance Ning Ma, Jorge J. Perdomo, John S. Coleman, Larry L. Iaccino 2024-06-04 $520,207,000
11981875 Erosion resistant alloy for thermal cracking reactors Jorge J. Perdomo, Ivan A. Morales 2024-05-14 $1,208,091,000
11926795 Catalyst systems for reforming in cyclic flow reactors Wesley Sattler, Joseph E. Gatt, Keith R. Hajkowski, Everett J. O'Neal, William R. Gunther +1 more 2024-03-12 $422,658,000
11859133 Size-reversing materials for reforming in cyclic flow reactors Wesley Sattler, Keith R. Hajkowski, Partha Nandi, Vera Grankina, Joseph E. Gatt +4 more 2024-01-02
11773335 Heat source for pyrolysis process Brian M. Weiss, Sophie Liu, Michael Harper, Herbert W. Barry, Barrington S. Goldson +2 more 2023-10-03 $608,083,000
11325106 Compositions for high temperature catalysis Matthew S. Ide, Anastasios I. Skoulidas 2022-05-10 $357,630,000
11318447 Compositions for high temperature catalysis Matthew S. Ide, Anastasios I. Skoulidas 2022-05-03 $365,106,000
11155756 Pyrolysis furnace tubes David B. Spicer 2021-10-26 $413,335,000
11078130 Hydrocarbon conversion Dhaval A. Bhandari, Federico Barrai 2021-08-03 $316,417,000
10711203 Hydrocarbon pyrolysis Federico Barrai, Elizabeth G. Mahoney, John S. Coleman, Dhaval A. Bhandari, Brian M. Weiss +1 more 2020-07-14 $123,336,000
10662130 Process for generation of olefins Brian M. Weiss, Dhaval A. Bhandari, Federico Barrai, Sophie Liu 2020-05-26 $80,212,000
10655072 Pyrolysis furnace tubes David B. Spicer 2020-05-19 $225,839,000
10577292 Hydrocarbon conversion Dhaval A. Bhandari, Federico Barrai 2020-03-03 $106,084,000
10456768 Aluminum oxide forming heat transfer tube for thermal cracking Jorge J. Perdomo 2019-10-29 $102,466,000
10351784 Pyrolysis furnace tubes David B. Spicer 2019-07-16 $49,855,000
10207242 Alumina forming refinery process tubes with mixing element David B. Spicer 2019-02-19 $155,000,000
10053390 Pyrolysis reactor materials and methods Frank Hershkowitz, Paul F. Keusenkothen, Shiun Ling, Gary D. Mohr 2018-08-21 $86,483,000
9809759 Reactor components Paul F. Keusenkothen, Frank Hershkowitz, Gary D. Mohr, Jeffrey W. Frederick 2017-11-07 $67,851,000
9707536 Reactor components Frank Hershkowitz, Paul F. Keusenkothen, Robert Lee Antram 2017-07-18 $107,621,000
9441166 Pyrolysis reactor materials and methods Frank Hershkowitz, Paul F. Keusenkothen, Shiun Ling, Gary D. Mohr 2016-09-13 $138,948,000
9315430 Reactor components Paul F. Keusenkothen, Frank Hershkowitz, Gary D. Mohr, Jeffrey W. Frederick 2016-04-19 $170,814,000
8932534 Porous pyrolysis reactor materials and methods Frank Hershkowitz, Paul F. Keusenkothen, Shiun Ling, Gary D. Mohr 2015-01-13 $192,990,000
8906511 Alumina forming bimetallic tube and method of making and using D. Samuel Deutsch, James E. Feather, Jeffrey P. Jones, David B. Spicer 2014-12-09 $155,141,000
8877342 Alumina forming bimetallic tube for refinery process furnaces and method of making and using David Samuel Deutsch, Vance A. McCray, James E. Feather, Brenda A. Raich 2014-11-04 $129,771,000
8821806 Pyrolysis reactor materials and methods Frank Hershkowitz, Paul F. Keusenkothen, Shiun Ling, Gary D. Mohr 2014-09-02 $160,139,000