Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Vincent Melquist — 7 Patents

PPPhillips Petroleum: 7 patents #400 of 2,506Top 20%
Ponca City, OK: #50 of 444 inventorsTop 15%
Oklahoma: #1,557 of 12,736 inventorsTop 15%
Overall (All Time): #680,018 of 4,157,543Top 20%
7 Patents All Time
Vincent Melquist has been granted 7 US patents. The first was granted in 2004 and the most recent in April 2008. Vincent Melquist ranks #680,018 of 4,157,543 US inventors in our database (top 16.4%). Patent records list Vincent Melquist in Ponca City, OK, US.

Patents per Year

Patents granted per year, 2004 to 2008Bar chart with a peak of 2 patents in 2004.peak 22004: 2 patents20042005: 1 patents20052006: 2 patents20062007: 1 patents20072008: 1 patents2008

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7354507 Hydroprocessing methods and apparatus for use in the preparation of liquid hydrocarbons Sridhar Gopalakrishnan, Rafael Espinoza, Doug Jack, Keith H. Lawson 2008-04-08 $583,140,000
7230034 Prevention of and recovering from a catalyst bed slumping in a gas-agitated multiphase reactor Sergio Mohedas, Rafael Espinoza, Jack E. Cnossen, Todd Harkins, Larry D. Swinney 2007-06-12 $216,546,000
7097787 Utilization of micro-channel gas distributor to distribute unreacted feed gas into reactors Guy H. Lewis, Chien-Ping Pan, Harold A. Wright, David H. Anderson, David Minahan +4 more 2006-08-29 $209,743,000
7001927 Water removal in Fischer-Tropsch processes Jianping Zhang, Harold A. Wright, Yi Jiang, Joe D. Allison, Kenneth York +1 more 2006-02-21 $95,362,000
6872753 Managing hydrogen and carbon monoxide in a gas to liquid plant to control the H2/CO ratio in the Fischer-Tropsch reactor feed Stephen R. Landis, Rafael Espinoza, Sergio Mohedas, Barbara A. Belt, Ralph T. Goodwin, III 2005-03-29 $360,723,000
6797252 Hydrocarbon gas to liquid conversion process Daxiang Wang, Barbara A. Belt, Steve R. Landis 2004-09-28 $230,015,000
6720358 Water stripping and catalyst/liquid product separation system Rafael Espinoza, Sergio Mohedas 2004-04-13 $187,548,000