Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8822386 | Nanofluids and methods of use for drilling and completion fluids | Lirio Quintero, David E. Clark | 2014-09-02 |
| 8356667 | Liquid crystals for drilling, completion and production fluids | Lirio Quintero, David E. Clark, Hartley H. Downs, Christopher Gallagher | 2013-01-22 |
| 5792223 | Natural surfactant with amines and ethoxylated alcohol | Hercilio Rivas, Xiomara Gutierrez, Amanda Morles | 1998-08-11 |
| 5429064 | Boat | — | 1995-07-04 |
| 4923483 | Viscous hydrocarbon-in-water emulsions | Ignacio A. Layrisse R., Domingo R. Polanco, Hercilio Rivas, Euler Jimenez G., Lirio Quintero +5 more | 1990-05-08 |
| 4795478 | Viscous hydrocarbon-in-water emulsions | Ignacio A. Layrisse R., Domingo R. Polanco, Hercilio Rivas, Euler Jimenez G., Lirio Quintero +5 more | 1989-01-03 |