Doy; Ralph J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Doy; Ralph J..The latest application filed is for "reactors for effecting chemical processes".
- Doy; Ralph J. - Saltburn GB2
- Doy; Ralph J. - Saltburn-by-the-Sea GB2
| Patent | Date |
|---|---|
| Reactors for effecting chemical processes Grant 5,324,904 - Cresswell , et al. June 28, 1 | 1994-06-28 |
| Chemical reactor and process Grant 4,882,444 - Dobson , et al. November 21, 1 | 1989-11-21 |
| Apparatus for steam reforming hydrocarbons Grant 4,810,472 - Andrew , et al. March 7, 1 | 1989-03-07 |
| Steam reforming hydrocarbons Grant 4,690,690 - Andrew , et al. September 1, 1 | 1987-09-01 |
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