Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6016867 | Upgrading and recovery of heavy crude oils and natural bitumens by in situ hydrovisbreaking | Daniel P. Rimmer, Dennis J. Graue | 2000-01-25 |
| 6016868 | Production of synthetic crude oil from heavy hydrocarbons recovered by in situ hydrovisbreaking | Daniel P. Rimmer | 2000-01-25 |
| 5340467 | Process for recovery of hydrocarbons and rejection of sand | John A. Hamshar, Daniel P. Rimmer, Erdal Yildirim, Andrew M. Olah | 1994-08-23 |
| 5316664 | Process for recovery of hydrocarbons and rejection of sand | John A. Hamshar, Daniel P. Rimmer, Erdal Yildirim | 1994-05-31 |
| 5283001 | Process for preparing a water continuous emulsion from heavy crude fraction | Daniel P. Rimmer, John A. Hamshar | 1994-02-01 |
| 5263848 | Preparation of oil-in-aqueous phase emulsion and removing contaminants by burning | Andrew M. Olah, John A. Hamshar, Daniel P. Rimmer | 1993-11-23 |
| 5156652 | Low-temperature pipeline emulsion transportation enhancement | Andrew M. Olah | 1992-10-20 |
| 5110443 | Converting heavy hydrocarbons into lighter hydrocarbons using ultrasonic reactor | Andrew M. Olah, John A. Hamshar, Daniel P. Rimmer | 1992-05-05 |
| 5083613 | Process for producing bitumen | Andrew M. Olah, John A. Hamshar, Daniel P. Rimmer, Erdal Yildirim | 1992-01-28 |
| 4983319 | Preparation of low-viscosity improved stable crude oil transport emulsions | Andrew M. Olah, John A. Hamshar, Daniel P. Rimmer | 1991-01-08 |
| 4978365 | Preparation of improved stable crude oil transport emulsions | John A. Hamshar, Andrew M. Olah, Christopher J. Riley, Daniel P. Rimmer | 1990-12-18 |
| 4966235 | In situ application of high temperature resistant surfactants to produce water continuous emulsions for improved crude recovery | Andrew M. Olah, John A. Hamshar, Daniel P. Rimmer | 1990-10-30 |
| 4725287 | Preparation of stable crude oil transport emulsions | John A. Hamshar, Andrew M. Olah, Christopher J. Riley, Daniel P. Rimmer | 1988-02-16 |
| 4501445 | Method of in-situ hydrogenation of carbonaceous material | — | 1985-02-26 |