|
| US3985086 | 9. Juni 1975 | 12. Okt. 1976 | The Raymond Lee Organization, Inc. | Freezer, vacuum, oven sewage treatment system |
| US4090669 | 10. Mai 1977 | 23. Mai 1978 | L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude | Process for embrittling integuments of small seeds |
| US4102503 | 6. Juli 1977 | 25. Juli 1978 | Linde Aktiengesellschaft | Method of and apparatus for the low-temperature milling of materials |
| US4222527 | 22. Febr. 1979 | 16. Sept. 1980 | Union Carbide Corporation | Cryopulverizing packed bed control system |
| US4269693 | 23. Mai 1979 | 26. Mai 1981 | | Process for recovering bitumen from waste bituminous products |
| US4511091 | 6. Jan. 1983 | 16. Apr. 1985 | | Method and apparatus for recycling thermoplastic scrap |
| US4645131 | 24. Dez. 1984 | 24. Febr. 1987 | | Powder milling method to produce fine powder sizes |
| US4692982 | 22. Mai 1986 | 15. Sept. 1987 | | Lining removal process |
| US4846408 | 21. Jan. 1988 | 11. Juli 1989 | Gentex Corporation | Method for making a friction material |
| US5301881 | 5. Mai 1993 | 12. Apr. 1994 | Hitachi, Ltd. | System for disposing waste |
| US5533680 | 28. Dez. 1994 | 9. Juli 1996 | U.S. Rubber Reclaiming, Inc. | Process to grind thermoset or thermoplastic materials |
| US5887803 | 20. Aug. 1996 | 30. März 1999 | Messer Griesheim GmbH | Process and apparatus for grinding and sifting a product |
| US6076752 | 1. Juni 1998 | 20. Juni 2000 | Quality Botanical Ingredients, Inc. | Method and apparatus for inert gas purging/temperature control for pulverizing/grinding system |
| US6923392 | 24. Dez. 2001 | 2. Aug. 2005 | Kolon Construction Co., Ltd. | Freeze-grinding method of the waste materials using the cooled air |
