Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dennis E. Walsh — 56 Patents

ExxonMobil: 47 patents #148 of 10,161Top 2%
PCPrecision Combustion: 7 patents #15 of 58Top 30%
Honda Motor Co.: 1 patents #12,035 of 21,052Top 60%
Richboro, PA: #2 of 125 inventorsTop 2%
Pennsylvania: #538 of 74,527 inventorsTop 1%
Overall (All Time): #44,020 of 4,157,543Top 2%
56 Patents All Time
Dennis E. Walsh has been granted 56 US patents while listed as an inventor at ExxonMobil. The first was granted in 1980 and the most recent in May 2016. Dennis E. Walsh ranks #44,020 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Dennis E. Walsh in Richboro, PA, US.

Issued Patents All Time

Showing 1–25 of 56 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
9337505 Process of reforming a sulfur-containing liquid fuel Subir Roychoudhury, Christian Junaedi 2016-05-10
9199846 Process and apparatus for reforming a high sulfur-containing liquid fuel Subir Roychoudhury, Christian Junaedi, Saurabh Vilekar 2015-12-01
9102531 Reactor control method Subir Roychoudhury, Joel DesJardins, David Spence, Richard Mastanduno, William C. Pfefferle 2015-08-11
8557189 Catalytic system for converting liquid fuels into syngas Subir Roychoudhury, Maxim Lyubovsky, Curtis Morgan, Joel DesJardins 2013-10-15
8444951 Catalytic process and system for converting liquid fuels into syngas Subir Roychoudhury, Maxim Lyubovsky, Curtis Morgan, Joel DesJardins 2013-05-21
8439990 Reactor flow control apparatus Subir Roychoudhury, David Spence, Richard Mastanduno, Jun Iwamoto, Go Motohashi +2 more 2013-05-14 $411,000
8337757 Reactor control method Subir Roychoudhury, Joel DesJardins, David Spence, Richard Mastanduno, William C. Pfefferle 2012-12-25
7396969 Process for preparing short chain alkyl aromatic compounds Jane C. Cheng, Terry E. Helton, Dominick N. Mazzone 2008-07-08
7141092 Regenerable adsorption system Subir Roychoudhury, Jay A. Perry 2006-11-28
6919491 Process for preparing short chain alkyl aromatic compounds Jane C. Cheng, Terry E. Helton, Dominick N. Mazzone 2005-07-19 $358,615,000
6641714 Hydrocarbon upgrading process 2003-11-04 $84,256,000
6224748 Process for hydrocracking cycle oil Clarence D. Chang, Scott Han, Daniel J. Martenak, Jose G. Santiesteban 2001-05-01
6217747 Process for selective wax hydrocracking Clarence D. Chang, Scott Han, Daniel J. Martenak, Jose G. Santiesteban 2001-04-17
5600048 Continuous process for preparing ethylbenzene using liquid phase alkylation and vapor phase transalkylation Jane C. Cheng, C. Morris Smith, Chaya R. Venkat 1997-02-04 $53,611,000
5563311 Process for preparing short chain alkyl aromatic compounds Clarence D. Chang, Jane C. Cheng, Scott Han, Jos e G. Santiesteban 1996-10-08 $102,137,000
5557024 Process for preparing short chain alkyl aromatic compounds Jane C. Cheng, Anthony D. Fung, Donald J. Klocke, Stephen L. Lawton, Daria N. Lissy +2 more 1996-09-17 $210,957,000
5543036 Process for hydrotreating Clarence D. Chang, Scott Han, Daniel J. Martenak, Jose G. Santiesteban 1996-08-06 $93,292,000
5493065 Liquid phase ethylbenzene synthesis with MCM-49 Jane C. Cheng, C. Morris Smith 1996-02-20 $23,315,000
5453554 Process for preparing short chain alkyl aromatic compounds Jane C. Cheng, Anthony S. Fung, Donald J. Klocke, Stephen L. Lawton, Daria N. Lissy +2 more 1995-09-26 $28,358,000
5371310 Process for preparing short chain alkyl aromatic compounds J. Michael Bennett, Clarence D. Chang, Jane C. Cheng, Stephen L. Lawton, Michael E. Leonowicz +3 more 1994-12-06 $16,319,000
5358628 Production of high viscosity index lubricants Minas R. Apelian, Charles L. Baker, Jr., Thomas F. Degnan, David O. Marler, Dominick N. Mazzone 1994-10-25 $16,177,000
5238898 Catalyst and process for upgrading methane to higher hydrocarbons Scott Han, Lorenzo C. DeCaul, Robert E. Palermo 1993-08-24 $26,008,000
5191138 Process for oxidative conversion of methane to higher hydrocarbons using metal sulfide oxidizing agent Scott Han, James N. Michaels, Robert E. Palermo, David L. Stern 1993-03-02 $7,006,000
5149516 Partial oxidation of methane over perovskite catalyst Scott Han, Lorenzo C. DeCaul, Robert E. Palermo 1992-09-22 $43,905,000
5105044 Catalyst and process for upgrading methane to higher hydrocarbons Scott Han, Lorenzo C. DeCaul, Robert E. Palermo 1992-04-14 $7,598,000