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

John S. Buchanan — 90 Patents

ExxonMobil: 90 patents #37 of 10,161Top 1%
Flemington, NJ: #5 of 632 inventorsTop 1%
New Jersey: #277 of 69,400 inventorsTop 1%
Overall (All Time): #17,911 of 4,157,543Top 1%
90 Patents All Time
John S. Buchanan has been granted 90 US patents while listed as an inventor at ExxonMobil. The first was granted in 1990 and the most recent in December 2021. John S. Buchanan ranks #17,911 of 4,157,543 US inventors in our database (top 0.43%). Patent records list John S. Buchanan in Flemington, NJ, US.

Issued Patents All Time

Showing 1–25 of 90 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
11203557 Catalyst and its use in dehydrocyclization processes Samia Ilias, Mayank Shekhar, Paul F. Keusenkothen 2021-12-21 $526,553,000
10843981 Catalytic aromatization Paul F. Keusenkothen, Samia Ilias, Mayank Shekhar, Reyyan Koc-Karabocek, Teng Xu 2020-11-24 $111,324,000
10421915 Crude bio oil pretreatment and upgrading Virginia M. Reiner, Rustom M. Billimoria, William G. Borghard, William E. Lewis 2019-09-24 $143,293,000
10273196 Hydrocarbon dehydrocyclization Paul F. Keusenkothen, John S. Coleman, Seth M. Washburn 2019-04-30 $280,552,000
9988325 Hydrocarbon conversion Paul F. Keusenkothen, Samia Ilias, Mayank Shekhar 2018-06-05 $295,746,000
9845272 Hydrocarbon conversion Samia Ilias, Mayank Shekhar, Paul F. Keusenkothen 2017-12-19 $492,026,000
9815749 Hydrocarbon dehydrocyclization Paul F. Keusenkothen, Mohsen N. Harandi, Mayank Shekhar 2017-11-14 $60,625,000
9809505 Production of aromatics from methanol and co-feeds Stephen H. Brown, Lorenzo C. DeCaul, Brett T. Loveless, Rohit Vijay, Stephen J. McCarthy +2 more 2017-11-07 $67,851,000
9796643 Hydrocarbon dehydrocyclization in the presence of carbon dioxide Paul F. Keusenkothen, David W. Maher, Jaime A. Valencia 2017-10-24 $129,352,000
9777227 Upgrading hydrocarbon pyrolysis products Nikolaos Soultanidis, Christopher M. Evans, David T. Ferrughelli, Luc R. M. Martens, Keith G. Reed +3 more 2017-10-03 $197,555,000
9732013 Production of aromatics from methanol and co-feeds Stephen H. Brown, Lorenzo C. DeCaul, Brett T. Loveless, Rohit Vijay, Stephen J. McCarthy +2 more 2017-08-15 $106,324,000
9029621 Selective oligomerization of isobutene Jane C. Cheng, Jihad M. Dakka, Jon E. Stanat 2015-05-12 $120,192,000
8852326 Aggregates of small particles of synthetic faujasite zeolite Kun Wang, Robert C. Lemon, Christine E. Kliewer, Wieslaw J. Roth 2014-10-07 $98,747,000
8754276 Reverse flow reactors for propylene and aromatics production Stephen M. Davis, Frank Hershkowitz, John S. Coleman, Seth M. Washburn 2014-06-17 $286,717,000
8696888 Hydrocarbon resid processing Paul F. Keusenkothen, Megan L. Renstrom, Julian Wolfenbarger, Stephen H. Brown 2014-04-15 $302,243,000
8658836 Oxidation of hydrocarbons Francisco M. Benitez, Jihad M. Dakka, Edmund J. Mozeleski, Stephen Zushma, Jon E. Stanat 2014-02-25 $79,407,000
8519194 Process for producing cyclohexylbenzene Tan-Jen Chen, Francisco M. Benitez, Jane C. Cheng, Jon E. Stanat 2013-08-27 $118,529,000
8487140 Process for producing phenol Jon E. Stanat, Tan-Jen Chen, Jihad M. Dakka, James R. Lattner 2013-07-16 $90,545,000
8461397 Oxidation of hydrocarbons James R. Lattner, Mark P. Hagemeister, Jon E. Stanat, Jihad M. Dakka, Stephen Zushma 2013-06-11 $206,260,000
8455707 Methane conversion to higher hydrocarbons Frank Hershkowitz, Harry W. Deckman, Jeffrey W. Frederick 2013-06-04 $66,167,000
8454911 Methane conversion to higher hydrocarbons Frank Hershkowitz, Harry W. Deckman, Jeffrey W. Frederick 2013-06-04 $66,167,000
8440872 Process for preparing poly alpha olefins and lubricant basestocks from Fischer-Tropsch liquids Margaret M. Wu, Lorenzo C. DeCaul 2013-05-14 $168,241,000
8440864 Process for producing sec-butylbenzene Jon E. Stanat, James R. Lattner, Jane C. Cheng 2013-05-14 $168,241,000
8436213 Process for producing phenol and methyl ethyl ketone Jihad M. Dakka, Jane C. Cheng 2013-05-07 $72,904,000
8277639 Steam cracking of high TAN crudes Paul F. Keusenkothen, Stephen H. Brown, Julian Wolfenbarger, James Earl Graham, James N. McCoy 2012-10-02 $175,529,000