| Patents for C05F 9 - Fertilisers from household or town refuse (2,932) |
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| 01/07/1981 | EP0021540A1 Process for contacting a gaseous phase with at least one liquid phase and at least one divided solid phase |
| 10/28/1980 | US4230451 Apparatus for the thermal treatment of organic materials |
| 10/07/1980 | US4226832 Devices for fermentation of organic refuse and slurries |
| 09/16/1980 | CA1085976A1 Treatment of aqueous sludges |
| 07/29/1980 | US4215201 Plant for transforming town solid waste into a fertilizer |
| 05/27/1980 | CA1078206A1 Composting unit |
| 04/29/1980 | CA1076720A1 Method and apparatus for composting refuse/sewage sludge mixtures |
| 03/19/1980 | EP0008601A1 Compost making apparatus |
| 03/11/1980 | US4192848 Pollution control |
| 03/04/1980 | US4191527 Apparatus for the dehydration of waste and vegetable matter |
| 01/22/1980 | US4184269 Apparatus for aerating organic waste material |
| 12/12/1979 | EP0005703A1 Process for the preparation of fuel and nutritive substances from wastes |
| 05/15/1979 | CA1054730A1 Method and apparatus for treating liquid sewage and waste |
| 05/03/1979 | WO1979000216A1 Compost making apparatus |
| 03/27/1979 | US4146382 Aeration by forming tunnels |
| 03/27/1979 | US4146381 Crushing, stacking, tunneling |
| 02/13/1979 | CA1048290A1 Facilitating rapid decomposition of organic matter to compost |
| 02/06/1979 | US4138333 Waste material digesters |
| 01/23/1979 | US4135908 Method of and apparatus for aerobic decomposition of organic solids |
| 01/16/1979 | US4134731 Sewage treatment |
| 11/28/1978 | US4127383 Lignosulfonate |
| 06/13/1978 | US4094740 Preparation of liquid fuel and nutrients from solid municipal waste |
| 12/13/1977 | US4062770 Or sewage sludge |
| 12/06/1977 | US4060945 Compost bin |
| 11/29/1977 | US4060390 Apparatus for producing composts |
| 09/27/1977 | US4050899 Garbage disposal |
| 03/15/1977 | US4012219 Method for reclaiming variegated wastes |
| 02/01/1977 | US4006006 Anticaking, magnesium and calcium ammonium phosphate |
| 11/02/1976 | US3989499 Conversion of refuse into fibrous material |
| 05/18/1976 | US3956980 Method for processing refuse material |
| 01/20/1976 | US3933577 Process of sonically treating municipal waste to produce high quality paper pulp and fertilizer |
| 01/06/1976 | US3930799 Apparatus for making organic fertilizer |