Robert C. Welch has been granted 8 US patents while listed as an inventor at ExxonMobil . The first was granted in 2000 and the most recent in January 2013. Robert C. Welch ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Robert C. Welch in Baton Rouge, LA, US.
Patents per Year Patents granted per year, 2000 to 2013 Bar chart with a peak of 2 patents in 2005. peak 2 2000: 1 patents 2000 2003: 1 patents 2003 2004: 1 patents 2004 2005: 2 patents 2005 2007: 1 patents 2007 2009: 1 patents 2009 2013: 1 patents 2013
Issued Patents All Time
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Showing 1–8 of 8 patents
Patent # Title Co-Inventors Date Approx Value ⓘ
8349267 Crude oil pre-heat train with improved heat transfer Ian A. Cody , Amar S. Wanni , James E. Feather , Mark A. Greaney , Limin Song +1 more 2013-01-08
$133,798,000
7537686 Inhibitor enhanced thermal upgrading of heavy oils Ramesh Varadaraj , Christopher P. Eppig , Douglas W. Hissong 2009-05-26
$347,832,000
7244352 Selective hydroprocessing and mercaptan removal Thomas R. Halbert , Craig A. McKnight , John P. Greeley , Bruce R. Cook , Garland B. Brignac +1 more 2007-07-17
$684,254,000
6913688 Multi-stage hydrodesulfurization of cracked naphtha streams with interstage fractionation John C. Coker , Garland B. Brignac , Thomas R. Halbert , John G. Matragrano , Brij Gupta +1 more 2005-07-05
$516,867,000
6843905 Low-sulfur fuel Gordon F. Stuntz , Thomas R. Halbert 2005-01-18
$116,700,000
6736962 Catalytic stripping for mercaptan removal (ECB-0004) Bruce R. Cook , Richard H. Ernst , William E. Winter , Richard A. Demmin , Charles A. Euker, Jr. 2004-05-18
$138,883,000
6610197 Low-sulfur fuel and process of making Gordon F. Stuntz , Thomas R. Halbert 2003-08-26
$215,322,000
6123832 Fluid catalytic cracking process for converting hydrocarbon mixtures Teh C. Ho , Shun C. Fung , Gordon F. Stuntz , Daniel P. Leta 2000-09-26
$397,799,000
