Shell Internationale Research
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shell Internationale Research.The latest application filed is for "control of foam build up in a fermenter".
- Shell Internationale Research - The Hague NL
| Patent | Date |
|---|---|
| Control of foam build up in a fermenter Grant 4,987,082 - Gallagher January 22, 1 | 1991-01-22 |
| Polished rod stuffing box with safety valve for a beam pumped production well Grant 4,889,184 - Lugtmeier , et al. December 26, 1 | 1989-12-26 |
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