Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Patrick C. Chen — 22 Patents

ExxonMobil: 14 patents #819 of 10,161Top 9%
HIHayward Industries: 3 patents #60 of 138Top 45%
TSMC: 1 patents #8,466 of 12,232Top 70%
VTVia Technologies: 1 patents #566 of 1,108Top 55%
IBM: 1 patents #44,878 of 70,183Top 65%
Schlumberger Technology: 1 patents #3,946 of 7,293Top 55%
Wickford, RI: #6 of 42 inventorsTop 15%
Rhode Island: #220 of 6,211 inventorsTop 4%
Overall (All Time): #189,202 of 4,157,543Top 5%
22 Patents All Time
Patrick C. Chen has been granted 22 US patents while listed as an inventor at ExxonMobil. The first was granted in 1989 and the most recent in April 2025. Patrick C. Chen ranks #189,202 of 4,157,543 US inventors in our database (top 4.6%). Patent records list Patrick C. Chen in Wickford, RI, US.

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12281490 Chlorinators and replaceable cell cartridges therefor Douglas Sawyer, JR., James Carter 2025-04-22
12091380 Processes for producing poly alpha olefins and apparatuses therefor Monica D. Lotz, Jennifer L. Rapp, Md Safatul Islam 2024-09-17 $346,587,000
11661465 Dimer selective metallocene catalysts, non-aromatic hydrocarbon soluble activators, and processes to produce poly alpha-olefin oligmers therewith Jennifer L. Rapp, Jo Ann M. Canich, Mark H. Li, Jian Yang, Catherine A. Faler +2 more 2023-05-30 $411,013,000
11525020 Processes to produce poly alpha-olefin trimers Mark H. Li, Jennifer L. Rapp, Monica D. Lotz, Babak LotfizadehDehkordi, Craig J. Emett +2 more 2022-12-13 $1,241,456,000
11091924 Systems and methods for controlling chlorinators Douglas Sawyer, JR., Michael Nilsson, Raymond P. Denkewicz, Jr. 2021-08-17
11078308 Processes to produce poly alpha-olefin trimers Mark H. Li, Jennifer L. Rapp, Monica D. Lotz, Babak LotfizadehDehkordi, Craig J. Emett +2 more 2021-08-03 $316,417,000
11028197 Processes to produce poly alpha-olefin trimer and apparatus therefor Mark H. Li, Jennifer L. Rapp, Pramod J. Nandapurkar, Brian H. Wahn, Babak LotfizadehDehkordi +3 more 2021-06-08 $368,649,000
11021553 Metallocene dimer selective catalysts and processes to produce poly alpha-olefin dimers Jennifer L. Rapp, Jian Yang, Jo Ann M. Canich, Hua Zhou, Craig J. Emett +2 more 2021-06-01 $444,411,000
10968290 Metallocene-catalyzed polyalpha-olefins Donna J. Crowther, Jacqueline A. Lovell, Md Safatul Islam 2021-04-06 $520,985,000
10876062 Cold cranking simulator viscosity boosting base stocks and lubricating oil formulations containing the same Kyle G. Lewis, Mark P. Hagemeister, Omkar A. Namjoshi 2020-12-29 $304,015,000
10654766 Process for making vinylidene olefin Delanyo K. Seshie, Md Safatul Islam 2020-05-19 $225,839,000
10604462 Process for making gamma-branched alcohol Kyle G. Lewis 2020-03-31 $206,704,000
10597347 Neo-acids and process for making the same Kyle G. Lewis 2020-03-24 $101,860,000
10358397 Production of olefin dimers Meagan E. Evans, Crisita Carmen H. Atienza, Jo Ann M. Canich, John R. Hagadorn, David A. Cano +1 more 2019-07-23 $216,553,000
10351488 Unsaturated polyalpha-olefin materials Md Safatul Islam, Delanyo K. Seshie, Sarah J. Mattler 2019-07-16 $49,855,000
10156081 Chlorinators and replaceable cell cartridges therefor Douglas Sawyer, JR., James Carter 2018-12-18
9885193 Systems and methods for controlling chlorinators Douglas Sawyer, JR., Michael Nilsson, Raymond P. Denkewicz, Jr. 2018-02-06
9578717 Monitoring and control device and method for an illumination apparatus Bolton Po-Yu Chen, Cliff Chen, Michk Huang 2017-02-21 $2,827,000
7912044 Expandable structure for peripheral storage device 2011-03-22
7258175 Method and apparatus and program storage device adapted for automatic drill bit selection based on earth properties and wellbore geometry Daan Veeningen, Kris Givens 2007-08-21 $87,669,000
6871115 Method and apparatus for monitoring the operation of a wafer handling robot Kuo-Liang Huang, Enzo Kuo, Yuan-Chich Lin, Chih-Yi Lai, Chun-Hung Liu 2005-03-22 $5,569,000
4868883 Analysis of thin section images 1989-09-19 $36,975,000