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Joseph C. Gentry — 31 Patents

GLGlitsch: 10 patents #2 of 36Top 6%

GUGtc Technology Us: 8 patents #2 of 53Top 4%

SASulzer Management Ag: 6 patents #13 of 185Top 8%

GLGtc Technology Lp: 3 patents #3 of 13Top 25%

HIHfm International: 3 patents #4 of 8Top 50%

Houston, TX: #494 of 21,073 inventorsTop 3%

Texas: #3,737 of 125,132 inventorsTop 3%

Overall (All Time): #115,823 of 4,157,543Top 3%

31 Patents All Time

Joseph C. Gentry has been granted 31 US patents while listed as an inventor at Glitsch. The first was granted in 1994 and the most recent in August 2025. Joseph C. Gentry ranks #115,823 of 4,157,543 US inventors in our database (top 2.8%). Patent records list Joseph C. Gentry in Houston, TX, US.

Patents per Year

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12384736	Process and plant for preparing purified benzene composition from crude hydrocarbon stream containing benzene	Rahul Khandelwal	2025-08-12
12338215	Process and apparatus for preparing purified styrene composition using divided-wall column and crystallization unit	Rahul Khandelwal, Erik Temmel, Manfred Stepanski	2025-06-24
12077497	Process and apparatus for preparing purified styrene composition from styrene containing feedstock	Rahul Khandelwal, Randi W. Wytcherley, Kimberly Anderson, Meta Naulita-Ellis, Claudia Pudack +5 more	2024-09-03
11919853	Process and apparatus for preparing purified styrene composition from styrene containing feedstock	Rahul Khandelwal, Randi W. Wytcherley, Kimberly Anderson, Meta Naulita-Ellis, Claudia Pudack +5 more	2024-03-05
11891358	Process and apparatus for preparing purified styrene composition from styrene containing feedstock	Rahul Khandelwal, Randi W. Wytcherley, Kimberly Anderson, Meta Naulita-Ellis, Claudia Pudack +5 more	2024-02-06
11161055	Use of top dividing wall in isomerization unit	Manish Bhargava, Roomi Kalita	2021-11-02
10653974	Use of top dividing wall in isomerization unit	Manish Bhargava, Roomi Kalita	2020-05-19
10500522	Method of carrying out absorption/distillation in a single column design	Manish Bhargava	2019-12-10
10308567	Processes and systems for obtaining aromatics from catalytic cracking hydrocarbons	Weihua Jin, Zhongyi Ding, Mircea Cretoiu, Mark Lockhart, Calambur Shyamkumar +1 more	2019-06-04
10266463	Process for recovering isoprene from pyrolysis gasoline	Venkata K. Ramanujam, Michael McCaulley	2019-04-23
10131595	Process for production of xylenes through integration of methylation and transalkylation	Zhongyi Ding, Weihua Jin, Mircea Cretoiu	2018-11-20
9370728	Heavy hydrocarbon removal systems and methods	Mircea Cretoiu, Pradeep Pawar, Song Wang	2016-06-21
8658820	Catalyst systems for the production of acids	George A. Ball, Joseph P. Weller, Zhongyi Ding, John R. Wilson, Meritxell Guino +1 more	2014-02-25
8455709	Heavy hydrocarbon removal systems and methods	Mircea Cretoiu, Pradeep Pawar, Song Wang	2013-06-04
6616831	Aromatics separation process and method of retrofitting existing equipment for same	Fu-Ming Lee	2003-09-09
6565742	Aromatics separation process and method of retrofitting existing equipment for same	Fu-Ming Lee	2003-05-20
6551502	Process of removing sulfur compounds from gasoline	Fu-Ming Lee, Randi W. Wytcherley, Lucia Cretoiu, Calambur Shyamkumar	2003-04-22
6375802	Method of retrofitting existing equipment for an improved aromatics separation process	Fu-Ming Lee	2002-04-23
5877385	Process including extractive distillation and/or dehydrogenation to produce styrene from petroleum feedstock including ethyl-benzene/xylene mixtures	Fu-Ming Lee, Stephen G. Norwood	1999-03-02
5849982	Recovery of styrene from pyrolysis gasoline by extractive distillation	Fu-Ming Lee, Randi W. Wytcherley	1998-12-15
5779993	Liquid-phase catalyst-assembly for chemical process tower	—	1998-07-14	$5,852,000
5624566	Method and apparatus for recovering carboxylic acids from dilute solutions	Randa W. Wytcherley, Ronald G. Gualy	1997-04-29	$4,004,000
5601797	Liquid-phase catalyst-assembly for chemical process tower	—	1997-02-11	$2,844,000
5516955	Catalytic distillation to produce orthoxylene and paraxylene	—	1996-05-14
5492625	Method of recovering carboxylic acids from dilute solutions	Randa W. Wytcherley, Ronald G. Gualy	1996-02-20	$3,564,000