Rhudy; John S.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Rhudy; John S..The latest application filed is for "oil recovery process and system".
- Rhudy; John S. - Littleton CO
- Rhudy; John S. - Denver CO
| Patent | Date |
|---|---|
| Oil recovery process and system Grant 4,687,586 - Argabright , et al. August 18, 1 | 1987-08-18 |
| Oil recovery process Grant RE32,114 - Argabright , et al. April 15, 1 | 1986-04-15 |
| Oil recovery process and system Grant 4,580,627 - Argabright , et al. April 8, 1 | 1986-04-08 |
| Oil recovery process Grant 4,433,727 - Argabright , et al. February 28, 1 | 1984-02-28 |
| Recovery of petroleum with chemically treated high molecular weight polymers Grant 4,234,433 - Rhudy , et al. November 18, 1 | 1980-11-18 |
| Fracturing fluid Grant 3,938,594 - Rhudy , et al. February 17, 1 | 1976-02-17 |
| Use of radiation-induced polymers in cement slurries Grant 3,937,633 - Knight , et al. February 10, 1 | 1976-02-10 |
| Polymer waterflooding by controlling water hardness Grant 3,888,309 - Rhudy , et al. June 10, 1 | 1975-06-10 |
| Use of radiation-induced polymers in cement slurries Grant 3,877,522 - Knight , et al. April 15, 1 | 1975-04-15 |
| Use of radiation-induced polymers as temporary or permanent diverting agent Grant 3,872,923 - Knight , et al. March 25, 1 | 1975-03-25 |
| Polymer Flooding Process Grant 3,850,244 - Rhudy , et al. November 26, 1 | 1974-11-26 |
| Polymer Flooding Obtained By Pulse Injection Grant 3,734,183 - Rhudy , et al. May 22, 1 | 1973-05-22 |
| Waterflooding By Regulating The Total Hardness Within The Drive Water Grant 3,707,190 - Davis, Jr. , et al. December 26, 1 | 1972-12-26 |
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