| Patents for C05F 17 - Preparation of fertilisers characterised by the composting step (8,976) |
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| 04/05/1994 | US5300438 Rotatively supported corrugated body, drive, elevation means to selectively position body, baffles |
| 04/05/1994 | US5300226 Hauling waste in one direction and non-waste in another direction without contamination; anaerobic digestion producing biogas to enhance growth of vegetation |
| 03/31/1994 | WO1994006734A1 Methods and apparatus for disposal and treatment of waste |
| 03/24/1994 | DE4231414A1 Compost heap cover - has membrane permeable to air but impermeable to water covered with textile carrier on both sides |
| 03/23/1994 | EP0588160A1 Process and device for the treatment of waste, in particular food wastes |
| 03/22/1994 | US5296136 Apparatus for separating liquids and solids comprising screens and augers |
| 03/17/1994 | DE4230635A1 Mobile composting container with cooled ambient air system - has self-sufficient venting system in the circuit of which a cooler is inserted. |
| 03/15/1994 | US5294235 Device for the supply, distribution and moistening of gas in a gas-cleaning or decomposition installation |
| 03/09/1994 | EP0586004A1 Method for the production of fermentation product, the fermentation product itself, the pellets obtained through this method, and the applications of the fermentation product and the pellets. |
| 03/09/1994 | EP0585666A1 Compost container |
| 03/08/1994 | US5292637 Composting |
| 02/22/1994 | US5288146 Rocking, rolling composters |
| 02/17/1994 | WO1994003412A1 Organic material composting system |
| 02/17/1994 | WO1994003411A1 Liquid livestock waste treating method |
| 02/17/1994 | DE4324639A1 Compost stabilisation - comprises liberating liq. present in compost cells |
| 02/17/1994 | DE4235428C1 Refuse homogenising and compacting drum fixed by hydraulic cylinder - has separate swing covers at frames at each end for charging and discharging of static tilting drum |
| 02/10/1994 | DE4206795A1 Removal of tar oil form impregnated wood which can be used to make horticultural compost - by continuous extraction of comminuted wood and fermentation of extract |
| 02/10/1994 | DE4206794A1 Composting of wood impregnated with tar oil - using microorganisms capable of degrading tar oil components. |
| 02/09/1994 | EP0581992A1 Process for transforming structured and non-structured organic matter into humus |
| 02/03/1994 | WO1994002433A1 Compost container with stirring device |
| 02/03/1994 | WO1994001995A1 An improved compost mixing and aerating apparatus |
| 01/27/1994 | DE4241278A1 Sieve-type floor or intermediate floor - comprising individual floor plates fitted on base surface via legs as distance holders |
| 01/27/1994 | DE4224544A1 Method for cleaning waste air from compositing process - mixes waste air with fresh air fed via evapn. cooler, prior to being fed to atmosphere |
| 01/27/1994 | DE4224543A1 Loosening and removal of composted material - has compressed air delivery for loosening and an airstream to carry material away |
| 01/27/1994 | DE4223874A1 Carrier plate for compost and bio-filter systems - comprises frame for slitted and ribbed polygonal surfaces |
| 01/23/1994 | CA2074445A1 Enclosure made of identical pieces |
| 01/13/1994 | DE4240054C1 Composting assembly for degradable waste - has cells constantly connected to main exhaust suction when door is closed with additional suction when door is opened |
| 01/11/1994 | US5277814 Process for treating organic wastes |
| 01/06/1994 | WO1994000404A1 Organic substance liquefying apparatus |
| 01/05/1994 | EP0577236A1 Device for aeration of intensive fermentation processes |
| 01/05/1994 | CN1080272A Compost catalytic decomposing agent |
| 01/04/1994 | US5275733 Odor reduction with highly adsorbent material; adjusting pH, conductivity and solids content; adding microflora to catabolize organics |
| 01/03/1994 | CA2099478A1 Apparatus for aerating intensive decomposition reactors |
| 12/29/1993 | EP0576389A2 Process for transforming liquid manure and sewage into compost |
| 12/22/1993 | EP0574562A1 Integrated biomethanizing and composting method and apparatus |
| 12/15/1993 | EP0574252A1 Treatment of sewage sludge |
| 12/14/1993 | US5269829 Composting |
| 12/14/1993 | US5269634 Apparatus and method for sequential batch anaerobic composting of high-solids organic feedstocks |
| 12/11/1993 | CA2098134A1 Treatment of sewage sludge |
| 11/25/1993 | WO1993023351A1 Composting device with several separate reactors and one central ventilation device |
| 11/25/1993 | WO1993023350A1 Composting device with a ventilation system for closed rotting devices |
| 11/25/1993 | WO1993023349A1 Method for processing a liquid nitrogen rich organic waste product, thereby obtained fertilizer solution and use thereof |
| 11/25/1993 | CA2135514A1 Composting device with a ventilation system for closed rotting devices |
| 11/25/1993 | CA2135513A1 Method for processing a liquid nitrogen rich organic waste product, thereby obtained fertilizer solution and use thereof |
| 11/23/1993 | US5264349 Anaerobic conditions |
| 11/23/1993 | US5263253 Compost processing tool |
| 11/18/1993 | EP0570018A1 Packaging element |
| 11/18/1993 | EP0569996A1 Composting device |
| 11/18/1993 | EP0569919A1 Machine for treating heaps of material by shifting and overturning, in closed or opened containers |
| 11/18/1993 | EP0569372A1 Waste handling method. |
| 11/18/1993 | DE4314786A1 Small composter for kitchen and garden waste - has collection container adjoining lower end of composting space to form closed system design allowing location even inside house and avoiding fume emission |
| 11/18/1993 | DE4215847A1 Composting shed - has hot or cold air directed at inner wall surfaces to prevent build-up of condensation |
| 11/18/1993 | DE4215599A1 Compost turning machine - has carrier frame towable by tractor |
| 11/16/1993 | US5261766 Vertical bore hole system and method for waste storage and energy recovery |
| 11/11/1993 | DE4215269A1 Variables Umluftführungssystem in geschlossenen Rotteeinrichtungen für die Kompostherstellung Variable air circulation system in closed composting facilities for the production of compost |
| 11/11/1993 | DE4215267A1 Zentrales Umluftsystem mit angeschlossenen Rotteeinrichtungen Central air circulation system with connected composting facilities |
| 11/10/1993 | EP0556315A4 Means and method for enhancing plant growth under field conditions |
| 11/04/1993 | DE4239037A1 Mobile rubbish composter plant in container form - is for disposal of domestic bio-waste and uses side loader container equipped with bio-waste containers |
| 11/04/1993 | DE4216647A1 Composting rotting material in enclosed room with controlled ventilation - by regulating moisture content of air in room by adjusting ventilation according to moisture content of external air |
| 11/04/1993 | DE4214152A1 Composting of biologically degradable organic waste material - involves converting compost from two rotting reactors in subsequent reactor, allowing refill of first two reactors |
| 11/04/1993 | DE4213922A1 Pneumatic conveyor with combined, distributed, pressure and suction motivation - has a pneumatic conveyor tube with sets of flow ports and annular distributors |
| 11/02/1993 | US5258306 Silo composting apparatus |
| 10/26/1993 | US5256378 Apparatus for composting organic waste materials and method |
| 10/20/1993 | EP0566256A1 Process for treating oily sludge and organic wastes |
| 10/19/1993 | US5254472 Organic digesting system |
| 10/19/1993 | US5253467 Composting apparatus |
| 10/18/1993 | CA2070050A1 Process and apparatus for the batch composting of waste material |
| 10/14/1993 | CA2092393A1 Process for treating oily sludge and organic wastes |
| 10/13/1993 | EP0474754B1 A method for the forced anaerobic decomposition of waste material |
| 10/12/1993 | US5252302 Liquid fertilizer apparatus |
| 10/11/1993 | CA2093597A1 A microorganism fertilizer, a method for manufacturing the microorganism fertilizer, and a method for utilizing the microorganism fertilizer |
| 10/06/1993 | EP0564434A2 Arrangement for the odour stabilisation of waste dumps |
| 10/05/1993 | US5250100 Solid waste recovery system |
| 09/28/1993 | US5248612 Apparatus for composting using improved charging and discharging sequence |
| 09/28/1993 | US5248602 Process and installation for the utilization of organic substances |
| 09/28/1993 | US5248326 High energy ionizing radiation, disposable diapers |
| 09/23/1993 | DE4208486A1 Dung heap - is built up from below with lower aeration for consistent decomposition in lower part of the heap |
| 09/23/1993 | DE4208390A1 Compost exhaust air cooling, used for e.g. for organic, domestic waste - comprises transferring heat from exhaust to feed air through air-air heat exchanger, which is fed with liq., e.g. water, etc. |
| 09/16/1993 | WO1993017986A1 Installation for the temporary storage of bulk goods |
| 09/16/1993 | DE4228526A1 Final compost rotting - using fresh air passing over side surfaces of initially rotted compost clamp with exhaust air extracted from top of clamp |
| 09/16/1993 | CA2131616A1 Installation for the temporary storage of bulk goods |
| 09/15/1993 | EP0560752A1 Process to influence the course of the heat releasing degradation and transformation of biological substances containing green matter |
| 09/15/1993 | EP0395633B1 Composting plate system |
| 09/14/1993 | US5244804 Apparatus for co-composting municipal refuse |
| 09/14/1993 | US5244274 Garbage processing vehicle |
| 09/09/1993 | DE4206914A1 Method of transporting compost from reactor - with chain scraper conveyor having lifting arrangement to avoid overloading |
| 09/07/1993 | CA1322061C Bag used for aerobic fermentation and use thereof |
| 09/05/1993 | CA2090373A1 Pest resistant composters |
| 09/02/1993 | WO1993017091A1 Composting apparatus and system |
| 08/26/1993 | DE4205677A1 Compost and rubbish aeration column - has closure lid to control airflow and increase times between emptying |
| 08/26/1993 | DE4205125A1 Compost appts. - has ring zone between outer housing and inner drum with grinding and carrier bars |
| 08/25/1993 | EP0557078A1 Process to stabilize wastewater sludge |
| 08/25/1993 | EP0556963A1 Composting device |
| 08/25/1993 | EP0556315A1 Means and method for enhancing plant growth under field conditions |
| 08/19/1993 | WO1993016018A1 Compost maker |
| 08/19/1993 | WO1993016017A1 Mechanical composting |
| 08/19/1993 | DE4237874A1 Composting bin |
| 08/19/1993 | CA2117463A1 Compost maker |
| 08/18/1993 | EP0303652B1 Method and plant for composting |
| 08/12/1993 | DE4211842C1 Vehicle to turn over and change compost clamps - has non sliding rotating roller at housing between paired drive wheels |