LC

LeRoy R. Clavenna

EX ExxonMobil: 22 patents #457 of 10,161Top 5%
📍 Baytown, TX: #7 of 279 inventorsTop 3%
🗺 Texas: #6,027 of 125,132 inventorsTop 5%
Overall (All Time): #197,743 of 4,157,543Top 5%
22
Patents All Time

Issued Patents All Time

Showing 1–22 of 22 patents

Patent #TitleCo-InventorsDate
8211548 Silicon-containing steel composition with improved heat exchanger corrosion and fouling resistance ChangMin Chun, Mark A. Greaney, Thomas Bruno, Ian A. Cody, Trikur A. Ramanarayanan 2012-07-03
7862224 Vibration actuation system with independent control of frequency and amplitude Limin Song, Mohsen S. Yeganeh, H. Alan Wolf, Glen B. Brons, Wayne J. York +1 more 2011-01-04
7726871 Vibration actuation system with independent control of frequency and amplitude Limin Song, Ian A. Cody, Mohsen S. Yeganeh, Alan H. Wolf, Glen B. Brons +1 more 2010-06-01
6624204 Carbon monoxide hydrogenation process Michel Daage, Russell John Koveal, David C. Long, Trikur Anantharaman Ramanarayaman, James Dirickson Mumford +1 more 2003-09-23
6531517 Process for increasing carbon monoxide hydrogenation activity of catalysts via low temperature oxidation with water, steam or mixture thereof William A. Wachter, Gregg Johnston Howsmon, Jeffrey T. Elks, Hyung Suk Woo, Claude C. Culross +2 more 2003-03-11
6521565 Cobalt catalyst compositions useful for conducting carbon monoxide hydrogenation reactions Hyung Suk Woo, Charles H. Mauldin, William A. Wachter 2003-02-18
6465529 Process for increasing cobalt catalyst hydrogenation activity via aqueous low temperature oxidation Michel Daage, Russell John Koveal 2002-10-15
6267912 Distributed injection catalytic partial oxidation process and apparatus for producing synthesis gas Frank Hershkowitz, Harry W. Deckman, Robert Patrick Reynolds, Jr., Constantine P. Gonatas, John W. Fulton +2 more 2001-07-31
5883138 Rapid injection catalytic partial oxidation process and apparatus for producing synthesis gas (law 562) Frank Hershkowitz, Harry W. Deckman, Robert Patrick Reynolds, Jr., Constantine P. Gonatas, John W. Fulton +2 more 1999-03-16
5597474 Production of hydrogen from a fluid coking process using steam reforming Michael C. Kerby, Roby Bearden, Jr., Stephen M. Davis 1997-01-28
5496531 High surface purity heat transfer solids for high temperature fluidized bed reactions Stephen M. Davis, Geoffrey R. Say, Rocco A. Fiato 1996-03-05
5476877 Particulate solids for catalyst supports and heat transfer materials Stephen M. Davis, Rocco A. Fiato, Geoffrey R. Say 1995-12-19
5421841 Process for the elimination of silica and other impurities in fluidized bed syn gas production Nikos J. Maris, Mark L. Tiller, James H. Taylor, Geoffrey R. Say 1995-06-06
5421842 High energy level in situ attrition and break up of catalyst to maintain bed fluidization during high temperature operations Robert H. Shabaker, Charles A. Euker, Jr., Geoffrey R. Say, Gerald A. Wilcox, James H. Taylor 1995-06-06
5395406 Structurally modified alumina supports, and heat transfer solids for high temperature fluidized bed reactions Stephen M. Davis, Rocco A. Fiato, Geoffrey R. Say 1995-03-07
5395813 Particulate solids for catalyst supports and heat transfer materials Stephen M. Davis, Rocco A. Fiato, Geoffrey R. Say 1995-03-07
5360777 High performance alumina heat transfer solids for high temperature fluidized bed synthesis gas reactions Stephen M. Davis, Rocco A. Fiato, Geoffrey R. Say 1994-11-01
5360778 High surface purity heat transfer solids for high temperature fluidized bed reactions Stephen M. Davis, Geoffrey R. Say, Rocco A. Fiato 1994-11-01
5356845 Process for the reactivation of nickel-alumina catalysts Stephen M. Davis, Brent E. Beasley 1994-10-18
5348717 Synthesis gas from particulate catalysts, and admixtures of particulate catalysts and heat transfer solids Stephen M. Davis, Geoffrey R. Say, Rocco A. Fiato 1994-09-20
4260421 Cement production from coal conversion residues Leo D. Brown, James M. Eakman, Nicholas C. Nahas 1981-04-07
4193771 Alkali metal recovery from carbonaceous material conversion process David W. Sharp, Martin L. Gorbaty, Joe M. Tsou 1980-03-18