Haas; Oscar W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Haas; Oscar W..The latest application filed is for "hybrid prepurifier for cryogenic air separation plants".
- Haas; Oscar W. - Cheektowaga NY
- Haas; Oscar W. - North Tonawanda NY
| Patent | Date |
|---|---|
| Hybrid prepurifier for cryogenic air separation plants Grant 5,116,396 - Prasad , et al. * May 26, 1 | 1992-05-26 |
| Production of dry, high purity nitrogen Grant 5,004,482 - Haas , et al. April 2, 1 | 1991-04-02 |
| Dry, high purity nitrogen production process and system Grant 4,934,148 - Prasad , et al. June 19, 1 | 1990-06-19 |
| Prevention of membrane degradation Grant 4,881,953 - Prasad , et al. November 21, 1 | 1989-11-21 |
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