Closmann; Philip Joseph
Patent Applications and Registrations
Patent applications and USPTO patent grants for Closmann; Philip Joseph.The latest application filed is for "recovering oil from a subterranean carbonaceous formation".
- Closmann; Philip Joseph - Houston TX
- Closmann; Philip Joseph - The Hague NL
| Patent | Date |
|---|---|
| Recovering oil from a subterranean carbonaceous formation Grant 3,894,769 - Tham , et al. July 15, 1 | 1975-07-15 |
| Solvent/non-solvent pyrolysis of subterranean oil shale Grant 3,880,238 - Tham , et al. April 29, 1 | 1975-04-29 |
| Fracturing To Interconnect Wells Grant 3,682,246 - Closmann August 8, 1 | 1972-08-08 |
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