Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
ZG

Zhihui Gu — 16 Patents

Chevron: 9 patents #527 of 4,788Top 15%
MMMemc Electronic Materials: 4 patents #50 of 273Top 20%
SUSunedison: 2 patents #7 of 44Top 20%
CLCorner Star Limited: 1 patents #21 of 48Top 45%
Kingwood, TX: #84 of 726 inventorsTop 15%
Texas: #9,126 of 125,132 inventorsTop 8%
Overall (All Time): #284,196 of 4,157,543Top 7%
16 Patents All Time
Zhihui Gu has been granted 16 US patents while listed as an inventor at Chevron. The first was granted in 2013 and the most recent in September 2025. Zhihui Gu ranks #284,196 of 4,157,543 US inventors in our database (top 6.8%). Patent records list Zhihui Gu in Kingwood, TX, US.

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12421331 Systems and methods for chromium catalyst activation Max P. McDaniel, Ted H. Cymbaluk, Anand Ramanathan, Julian Abrego, Taryn Huber +3 more 2025-09-23
12403454 Methods of chromium catalyst activation to reduce gels and improve melt index potential Max P. McDaniel, Ted H. Cymbaluk, Anand Ramanathan, Julian Abrego, Taryn Huber +1 more 2025-09-02
12319770 High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization Max P. McDaniel, Eric D. Schwerdtfeger, Qing Yang, Carlos A. Cruz, Jinping Zhou +2 more 2025-06-03
12297310 Methods for chromium catalyst activation using oxygen-enriched fluidization gas Ralph W. Romig, James E. Hein, Troy Bretz 2025-05-13
12146018 High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization Max P. McDaniel, Eric D. Schwerdtfeger, Qing Yang, Carlos A. Cruz, Jinping Zhou +2 more 2024-11-19
12037421 Processes for preparing metallocene-based catalyst systems with an alcohol compound Qing Yang, Ryan N. Rose, Max P. McDaniel 2024-07-16
11912809 High porosity fluorided silica-coated alumina activator-supports and uses thereof in metallocene-based catalyst systems for olefin polymerization Max P. McDaniel, Eric D. Schwerdtfeger, Qing Yang, Carlos A. Cruz, Jinping Zhou +2 more 2024-02-27
11753488 Processes for preparing metallocene-based catalyst systems with an alcohol compound Qing Yang, Ryan N. Rose, Max P. McDaniel 2023-09-12
11584806 Methods for chromium catalyst activation using oxygen-enriched fluidization gas Ralph W. Romig, James E. Hein, Troy Bretz 2023-02-21
10011493 Methods for purifying halosilane-containing streams Gianluca Pazzaglia, Puneet Gupta 2018-07-03
9174848 Processes and systems for purifying silane Baisheng Zou 2015-11-03 $41,774,000
9061916 Processes and systems for purifying silane Baisheng Zou 2015-06-23 $103,220,000
8551298 Processes for purifying silane Timothy Dinh Truong, Puneet Gupta 2013-10-08 $16,692,000
8524045 Systems for purifying silane Timothy Dinh Truong, Puneet Gupta 2013-09-03 $6,364,000
8524048 Processes for recovering silane from heavy-ends separation operations Timothy Dinh Truong, Puneet Gupta 2013-09-03 $6,364,000
8524044 Systems for recovering silane from heavy-ends separation operations Timothy Dinh Truong, Puneet Gupta 2013-09-03 $6,364,000