| 2491060 | Recovery and cleaning of condensable gases | |||
| 2467435 | Solvent recovery distillation system | |||
| 2377135 | Extraction method | |||
| 2334015 | Solvent recovery apparatus | |||
| 2320970 | Solvent extraction of tung oil | |||
| 2254867 | Process for continuous treatment of exhausted solvent-impregnated solid agglutinative organic material | |||
| 2152665 | Oil extraction | |||
| 2119261 | Method of drying synthetic fiber | |||
| 1934677 | Method of treating fish | |||
| 1820986 | Odorless desiccating method and system | |||
| 1515596 | Drying machine | |||
| 1261005 | N/A | |||
| 0918335 | N/A | |||
| 0747267 | N/A | |||
| 0705787 | N/A | |||
| 0309485 | N/A | |||
| 0245274 | N/A |