SR

Stephen H. Roby

Chevron: 9 patents #523 of 4,788Top 15%
TL The Lubrizol: 6 patents #120 of 659Top 20%
CC Cherron Oronite Company: 1 patents #3 of 11Top 30%
Overall (All Time): #298,719 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9006501 Low pour point renewable fuel blend Rebecca Elizabeth Brafman, Guangci Zhou 2015-04-14
8992769 Process, method, and system for removing heavy metals from fluids Dennis J. O'Rear, Russell Evan Cooper, Sujin Yean, Hosna Mogaddedi, Manuel E. Quintana +1 more 2015-03-31
8147567 Enhanced biodiesel fuel having improved low-temperature properties and methods of making same Guangci Zhou, Curt Munson, Saleh Elomari 2012-04-03
8142524 Biodiesel-derived combustion improver Guangci Zhou 2012-03-27
8057558 Enhanced biodiesel fuel having improved low-temperature properties and methods of making same Guangci Zhou, Curt Munson, Saleh Elomari 2011-11-15
7931703 Methods for improving low-temperature properties of biodiesel fuel Guangci Zhou 2011-04-26
7926453 Engine oil compositions Susanne G. Ruelas 2011-04-19
7678747 Engine oil compositions Susanne G. Ruelas 2010-03-16
7465696 Lubricating base oil compositions and methods for improving fuel economy in an internal combustion engine using same Susanne G. Ruelas 2008-12-16
7454947 Method of determining diesel engine valve train wear using a carbon black particle mixture 2008-11-25
6001783 Mixed polysulfides and lubricants and functional fluids containing the same John S. Manka, William D. Abraham, James A. Supp, Richard Yodice 1999-12-14
5726132 Oil composition for improving fuel economy in internal combustion engines James A. Supp, John S. Manka, William D. Abraham 1998-03-10
5712230 Additive compositions having reduced sulfur contents for lubricants and functional fluids William D. Abraham, John S. Manka, James A. Supp 1998-01-27
5705458 Additive compositions for lubricants and functional fluids James A. Supp, William D. Abraham, John S. Manka 1998-01-06
5693598 Low-viscosity lubricating oil and functional fluid compositions William D. Abraham, Brent R. Dohner, John S. Manka, James A. Supp 1997-12-02
5674820 Additive compositions for lubricants and functional fluids John S. Manka, William D. Abraham, James A. Supp, Craig D. Tipton 1997-10-07