Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8211300 | Vehicle-mounted fuel separation system | Kouseki Sugiyama | 2012-07-03 |
| 8119006 | Ethanol stable epoxy amine based membrane for aromatics separation | Abhimanyu O. Patil, Timothy D. Shaffer, David T. Ferrughelli, Beth A. Winsett, Benjamin A. McCool | 2012-02-21 |
| 8051828 | Multiple fuel system for internal combustion engines | Bhaskar Sengupta, Krishnan Kumaran, Walter Weissman, Kouseki Sugiyama, Keiji Yoeda +2 more | 2011-11-08 |
| 7842124 | Polymer membrane for separating aromatic and aliphatic compounds | Dennis G. Peiffer, David C. Dalrymple, Walter Weissman | 2010-11-30 |
| 7803275 | Membrane separation process using mixed vapor-liquid feed | Walter Weissman, Bal K. Kaul, Craig Y. Sabottke, Sanjay K. Bhatia | 2010-09-28 |
| 7708151 | Membrane for separating aromatic and aliphatic compounds | Dennis G. Peiffer, Walter Weissman, David C. Dalrymple, Craig Y. Sabottke | 2010-05-04 |
| 7704379 | Dual catalyst system for hydroisomerization of Fischer-Tropsch wax and waxy raffinate | Zhaozhong Jiang, Terry E. Helton, Larry E. Hoglen | 2010-04-27 |
| 7563358 | Process for the production of benzene, toluene, and xylenes | Elizabeth L. Stavens, Stephen H. Brown, J. Scott Buchanan, Yun-Feng Chang, Larry L. Iaccino +2 more | 2009-07-21 |
| 7261805 | Process for catalytic dewaxing and catalytic cracking of hydrocarbon streams | Michael T. Grove, Terry E. Helton, David A. Pappal, Philip J. Angevine, Dominick N. Mazzone | 2007-08-28 |
| 7217303 | Pressure swing reforming for fuel cell systems | Frank Hershkowitz, Paul J. Berlowitz | 2007-05-15 |
| 7107942 | Fuel composition supply means for spark ignition engines | Walter Weissman, Bhupender S. Minhas, Guido Sartori, Takanori Ueda, Yoshihiro Iwashita +2 more | 2006-09-19 |
| 6972093 | Onboard fuel separation apparatus for an automobile | Walter Weissman, Takanori Ueda, Yoshihiro Iwashita | 2005-12-06 |
| 6622663 | Fuel composition supply means for driving cycle conditions in spark ignition engines | Walter Weissman, Bhupender S. Minhas, Guido Sartori, Takanori Ueda, Yoshihiro Iwashita +2 more | 2003-09-23 |
| 6348278 | Method and system for supplying hydrogen for use in fuel cells | Rene B. LaPierre | 2002-02-19 |
| 6261441 | Integrated hydroprocessing scheme with segregated recycle | Arthur R. Gentry, Kenneth W. Goebel, Timothy L. Hilbert, Michael Glenn Hunter, David A. Pappal | 2001-07-17 |
| 6090989 | Isoparaffinic lube basestock compositions | Jeffrey C. Trewella, Thomas R. Forbus, Jr., Zhaozhong Jiang, Suzanne E. Schramm | 2000-07-18 |
| 5364524 | Process for treating heavy oil | Lillian A. Rankel | 1994-11-15 |
| 5284573 | Simultaneous catalytic hydrocracking and hydrodewaxing of hydrocarbon oils with zeolite beta | Rene B. LaPierre | 1994-02-08 |
| 5128024 | Simultaneous catalytic hydrocracking and hydrodewaxing of hydrocarbon oils with zeolite beta | Rene B. LaPierre | 1992-07-07 |
| 5124497 | Production of mono-substituted alkylaromatics from C.sub.8 +N-paraffins | Ralph M. Dessau, Ernest W. Valyocsik | 1992-06-23 |
| 5110445 | Lubricant production process | Nai Y. Chen | 1992-05-05 |
| 5108969 | Low acidity catalyst for conversion of paraffins to olefins and/or aromatics | Kenneth J. Del Rossi, Ralph M. Dessau, Albin Huss, Jr., Garry W. Kirker, David O. Marler | 1992-04-28 |
| 5080776 | Hydrogen-balanced conversion of diamondoid-containing wash oils to gasoline | D. Duayne Whitehurst | 1992-01-14 |
| 5057203 | Ultrastable Y containing framework gallium | Cynthia T-W. Chu, Suzanne E. Schramm | 1991-10-15 |
| 5037529 | Integrated low pressure aromatization process | Ralph M. Dessau, Sharon B. McCullen, Nai Y. Chen | 1991-08-06 |