Steven E. Trumbull — 8 Patents at Chevron

Steven E. Trumbull has been granted 8 US patents while listed as an inventor at Chevron. The first was granted in 1995 and the most recent in March 2010. Steven E. Trumbull ranks #600,572 of 4,157,543 US inventors in our database (top 14.4%). Patent records list Steven E. Trumbull in San Leandro, CA, US.

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
7674739	Regeneration of ionic liquid catalyst using a metal in the absence of added hydrogen	Saleh Elomari, Thomas V. Harris, Hye Kyung Cho Timken	2010-03-09	$96,077,000
6548030	Apparatus for hydrocarbon processing	John V. Heyse, Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, Gale L. Hubred +4 more	2003-04-15
5863418	Low-sulfur reforming process	John V. Heyse, Bernard F. Mulaskey, Robert A. Innes, Daniel P. Hagewiesche, Gale L. Hubred +5 more	1999-01-26	$313,912,000
5676821	Method for increasing carburization resistance	John V. Heyse, Bernard F. Mulaskey, Robert L. Hise	1997-10-14	$88,996,000
5674376	Low sufur reforming process	John V. Heyse, Bernard F. Mulaskey, Robert L. Hise	1997-10-07	$252,867,000
5620937	Pretreatment method for increasing conversion of reforming catalyst	Bernard F. Mulaskey, Robert L. Hise, William J. Cannella, Robert A. Innes	1997-04-15	$58,279,000
5575902	Cracking processes	John V. Heyse, Alan G. Kunze	1996-11-19	$66,272,000
5382353	Pretreatment method for increasing conversion of reforming catalyst	Bernard F. Mulaskey, Robert L. Hise, William J. Cannella, Robert A. Innes	1995-01-17	$131,270,000

Steven E. Trumbull — 8 Patents

Issued Patents All Time

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