|
| US4347675 | 9. Febr. 1981 | 7. Sept. 1982 | Deepsea Ventures, Inc. | Dredging means having means for excluding oversized slender objects |
| US4367601 | 9. Febr. 1981 | 11. Jan. 1983 | Deepsea Ventures, Inc. | Separable means for excluding oversized slender objects |
| US4387518 | 8. Juni 1981 | 14. Juni 1983 | Deepsea Ventures, Inc. | Separable liquid flow screening means for excluding oversized, slender objects carried by a liquid, and dredge means including same |
| US4519896 | 11. März 1982 | 28. Mai 1985 | | Dry material sorting device |
| US4553993 | 1. Febr. 1984 | 19. Nov. 1985 | | Moisture eliminator |
| US4950388 | 31. Jan. 1989 | 21. Aug. 1990 | Robert G. Stafford | Separation of mixtures in a wind tunnel |
| US5032256 | 3. Jan. 1990 | 16. Juli 1991 | | Method and apparatus for air separation of material |
| US5366093 | 10. Sept. 1993 | 22. Nov. 1994 | Reynolds Metals Company | Apparatus for separating particulate materials |
