| Patents for C05F 17 - Preparation of fertilisers characterised by the composting step (8,976) |
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| 09/18/1991 | CN1054581A Making method of granular organic mixed fertilizer |
| 09/17/1991 | US5049486 Temperature monitoring apparatus and method in a composting system through which organic matter is moved to effect composting |
| 09/11/1991 | CN1054413A Equipment and method of compost |
| 09/10/1991 | US5047349 To treat with succesive groups of microorganisms; high speed intercompartmental transfer; wastes, sewage treatment |
| 09/05/1991 | WO1991012829A1 Method and apparatus for improving efficiency of fluid use and odor control in in-vessel composting systems |
| 09/04/1991 | EP0445102A1 Minimal odour generating process for aerobic treatment of animal excrements |
| 09/04/1991 | EP0444334A2 Mobile compost container |
| 09/04/1991 | EP0444333A2 Mobile compost container |
| 08/21/1991 | EP0441994A1 Process and apparatus for at least partial biological conversion of organic material into biomass |
| 08/21/1991 | EP0441921A1 Process and composting device for reutilizing organic refuse |
| 08/20/1991 | CA2036555A1 Mobile composting bin |
| 08/20/1991 | CA2036513A1 Mobile composting container |
| 08/08/1991 | WO1991001955A3 Process and devices for rapid thermal decay of organic refuse |
| 08/06/1991 | US5037266 Compost supplement spreader |
| 07/31/1991 | EP0439140A1 Refuse container for receiving compostible waste |
| 07/18/1991 | DE4000916A1 Drum for composting organic material - comprises wooden or plastic drum with loading flaps and divided at right angles to and rotating about main axis |
| 07/16/1991 | WO1991010631A1 Method and apparatus for composting organic refuse |
| 07/16/1991 | CA2073348A1 Method and apparatus for composting organic refuse |
| 06/26/1991 | EP0434520A1 Receptacle for making humus |
| 06/26/1991 | EP0434159A1 Tunnel system for the preparation of compost |
| 06/20/1991 | DE4022328C1 Aerating piles of composing refuse - by blowing or sucking air through permeable bases |
| 06/19/1991 | EP0321456B1 Process for decomposing mineral oil derivatives contained in washings and sludges |
| 06/12/1991 | EP0431212A1 Process for pasteurizing/cooking of different kinds of organic waste with a view to composting |
| 06/12/1991 | CA2005246A1 Composting method and apparatus utilizing inclined vessel |
| 06/11/1991 | US5023178 Surges of pressurized air to aid ram in movement of wastes; looseness; low denisty |
| 06/06/1991 | CA2004732A1 Storage bin |
| 06/05/1991 | EP0429883A2 System and devices for the preparation of recovery products from waste and the like, in particular of enriched soil amendment |
| 06/05/1991 | EP0429744A2 Process for producing pasteurized substrates and apparatus therefor |
| 05/23/1991 | WO1991007365A1 Process and installation for manufacturing a pasteurized substrate |
| 05/23/1991 | CA2045633A1 Process and installation for manufacturing a pasteurized substrate |
| 05/18/1991 | CA2030234A1 System and devices for the preparation of recovery products from waste and the like in particular of enriched soil emendment |
| 05/16/1991 | WO1991006344A1 A method and a device for removing at least one element from a more solid material by means of a liquid |
| 05/16/1991 | DE4024521A1 Transferring bulk compost between locations by mobile conveyor - applying initial mat of coarse material as base for fresh stack |
| 05/02/1991 | WO1991005749A1 Process for aerobic decomposition of highly charged waste water |
| 05/02/1991 | EP0425397A1 Process for treatment by vermicomposting and apparatus therefor |
| 05/02/1991 | EP0424711A2 Fermentative treatment apparatus and carrier device therefor |
| 05/01/1991 | WO1991006517A1 Method and apparatus for composting using improved charging and discharging sequence |
| 05/01/1991 | CA2072144A1 Method and apparatus for composting using improved charging and discharging sequence |
| 04/30/1991 | CA1283632C Container for disposing waste |
| 04/28/1991 | CA2028333A1 Process for earthworm composting and related device |
| 04/25/1991 | DE3935089A1 Particles of foamed starch to aid composting or improve soil - used to loosen structure of soil or compost to promote microbial growth and biodegradation of organic components |
| 04/24/1991 | EP0423514A2 Apparatus for composting putrifiable waste |
| 04/18/1991 | WO1991003441A3 Process and composting device for reutilizing organic refuse |
| 04/18/1991 | DE4002174C1 Sieve floor supporting compost waste in trolley - is releasably mounted above final compost recipient |
| 04/18/1991 | DE3934122A1 Verfahren zur aeroben verrottung hochbelasteter abwaesser A method for aerobic decay highly polluted wastewater |
| 04/17/1991 | EP0422147A1 Phytosanitary medium and its use |
| 04/17/1991 | EP0422089A1 Composting apparatus for organic waste |
| 04/11/1991 | DE3932765A1 Bio:heat incubator - heats greenhouse using hot air from rotting compost |
| 04/04/1991 | DE3932002A1 Improved composting of organic materials - by agglomerating crude compost prior to composting |
| 03/26/1991 | US5001894 Bearing guard for compost turner |
| 03/21/1991 | WO1991003441A2 Process and composting device for reutilizing organic refuse |
| 03/14/1991 | DE3929075A1 Verfahren zur wiederverwertung organischer abfaelle und rottevorrichtung zur durchfuehrung des verfahrens Method for recycling organic waste and rotting apparatus for performing the method |
| 03/06/1991 | EP0415650A2 Gas impervious seal for process apparatus |
| 02/27/1991 | EP0413992A2 Process and apparatus for aerobic, fermentative hydrolysis, particularly for composting of organic materials |
| 02/21/1991 | WO1991001955A2 Process and devices for rapid thermal decay of organic refuse |
| 02/19/1991 | US4994245 Neutralizing ammonia with acid, bleaching sulfides, removing formed chlorine with peroxide; oxidation process |
| 02/17/1991 | WO1991002550A1 Process and plant for producing heat treated growth substrate and manure |
| 02/17/1991 | CA2064700A1 Process and plant for producing heat treated growth substrate and manure |
| 02/14/1991 | DE3926269A1 Treatment of organic sludges from municipal and farm sources - by placing sludges in gas tight heat insulated room with solar heating for reduced environment pollution and energy |
| 01/31/1991 | DE3924844A1 Verfahren und zugehoerige einrichtungen zur schnellen heissverrottung organischer abfaelle Procedures and associated facilities for rapid heissverrottung organic waste |
| 01/24/1991 | DE3923641A1 Procedure for thermal aerobic compositing of organic waste materials - in which air passed through composting bed is dried and filtered before release and heat and moisture recovered are returned to compost |
| 01/15/1991 | US4984561 Container for disposing waste |
| 12/27/1990 | EP0403586A1 Process for disposing of organic refuse, in particular organic refuse in the packing and foodstuffs industries, and oil-containing organic refuse |
| 12/19/1990 | CN1047851A Technology for making high-efficiency comprehensive compound fertilizer |
| 12/18/1990 | CA1278112C Aeration device for biomass composting tanks |
| 12/13/1990 | WO1990015031A1 A method for the forced anaerobic decomposition of waste material |
| 12/13/1990 | DE3918650A1 Procedure for composting in containers - household and similar refuse is graded and composted in containers which can be stacked to provide effective and transportable system |
| 12/11/1990 | US4976095 Compost windrow turner |
| 11/29/1990 | DE3916866A1 Treatment of domestic waste, by sepg. into specified particle sizes - small particles are used as land fill, medium particles are composed with active sludge, larger particles are sorted to remove scrap metal |
| 11/29/1990 | DE3844700A1 Process and device for the biological processing of organic substances |
| 11/28/1990 | CN1047339A Apparatus for stirring fermenter |
| 11/28/1990 | CN1047191A Phytodisinfectant and utilization thereof |
| 11/20/1990 | US4971616 Earthworms and shreaded cellulose refuse |
| 11/15/1990 | WO1990013527A1 Compost windrow turner |
| 11/15/1990 | WO1990011263A3 Composting plant and composting process |
| 11/15/1990 | DE3915055A1 Forming coilable container for garden matter - from wooden strips strung on tensioning cords |
| 11/14/1990 | EP0397645A1 Apparatus for distributing gases in fixed bed filters |
| 11/14/1990 | EP0222767B1 Aeration device for composting reservoirs of biomass |
| 11/14/1990 | CN1046886A Plants leaves fertilizer and making method |
| 11/14/1990 | CN1010407B Process for operating a fermenter and apparatus for stirring the fermenter |
| 11/07/1990 | EP0395633A1 Composting plate system. |
| 11/01/1990 | WO1990012893A1 Temperature monitoring apparatus and method in a composting system |
| 10/31/1990 | EP0394729A2 Process and enclosure for drying organic material |
| 10/24/1990 | EP0393378A2 Apparatus for composting and process therefor |
| 10/24/1990 | EP0393212A1 Process for producing humus |
| 10/18/1990 | WO1990010610A3 Process and device for preparing compost for growing mushrooms |
| 10/11/1990 | DE3910847A1 Device for rotting and turning over waste |
| 10/10/1990 | EP0391753A1 Process and apparatus for aerating a moist, fermentable, organic product with treatment process control |
| 10/04/1990 | WO1990011263A2 Composting plant and composting process |
| 10/04/1990 | DE3910061A1 Phytosanitaeres mittel sowie dessen verwendung Phytosanitary medium and its use |
| 10/03/1990 | CN1045766A Use of calcium sulphate to improve fermentation of organic waste |
| 10/03/1990 | CN1045764A Biochemical compound fertilizer and preparation thereof |
| 09/29/1990 | WO1990011013A1 Phytosanitary medium and its use |
| 09/29/1990 | CA2029877A1 Phytosanitary agent and its use |
| 09/28/1990 | CA2013152A1 Composting system and composting apparatus |
| 09/26/1990 | EP0388496A1 Process for producing humus |
| 09/20/1990 | WO1990010610A2 Process and device for preparing compost for growing mushrooms |
| 09/13/1990 | DE3907879A1 Verfahren und vorrichtung zur kompostaufbereitung fuer die pilzzucht Method and device for compost preparation for the fungus breeds |
| 09/12/1990 | EP0386221A1 Process for conversion of biomass |
| 09/11/1990 | US4956002 Method for the composting of organic materials |