Parrish; John Roberts
Patent Applications and Registrations
Patent applications and USPTO patent grants for Parrish; John Roberts.The latest application filed is for "process control".
- Parrish; John Roberts - Charleston WV
- Parrish, John Roberts - Cross Lanes WV
| Patent | Date |
|---|---|
| Process Control App 20220083013 - Parrish; John Roberts ; et al. | 2022-03-17 |
| Reactor product discharge system App 20010034422 - Hartley, Ivan Jeremy ; et al. | 2001-10-25 |
| Reactor product discharge system Grant 6,255,411 - Hartley , et al. July 3, 2 | 2001-07-03 |
| Control of gas phase polymerization reactions Grant 6,063,877 - Kocian , et al. May 16, 2 | 2000-05-16 |
| Method of fluidized bed temperature control Grant 5,990,250 - Parrish , et al. November 23, 1 | 1999-11-23 |
| Process control in the presence of chromium based catalysts Grant 5,844,054 - Samples , et al. December 1, 1 | 1998-12-01 |
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