Patents
Patents for C05F 17 - Preparation of fertilisers characterised by the composting step (8,976)
12/1980
12/10/1980EP0019898A1 Process for preparing a storage-stable and biologically active soil improving agent
12/02/1980US4236910 Method of biologically decomposing organic material, and apparatus for carrying out the method
10/1980
10/28/1980US4230676 Composting apparatus
10/21/1980US4229202 Wastewater treatment with ultraviolet disinfection and increased capacity
10/07/1980US4226832 Devices for fermentation of organic refuse and slurries
10/02/1980WO1980002022A1 Compost for the preparation of a rich manure,process for the preparation thereof and application thereof
09/1980
09/09/1980US4221571 Solar heated anaerobic digestor
08/1980
08/12/1980US4217219 Sewage delivery and filtration system
08/05/1980CA1083058A1 Methane production process by waste fermentation
07/1980
07/29/1980US4215201 Plant for transforming town solid waste into a fertilizer
07/08/1980US4211545 Method and apparatus for preparing high grade fertilizer
07/08/1980US4211033 Plant support and compost enclosure
05/1980
05/28/1980EP0011103A2 Process and apparatus for the manufacture of compost material by aerobic composting and desinfecting of mixed town refuse
05/27/1980US4204959 Apparatus for the treatment and composting of biological waste
05/27/1980US4204958 Method and apparatus for treatment of sludge
05/27/1980US4204842 Methane-producing bacteria
05/20/1980US4203755 Method of and apparatus for treating waste materials
05/20/1980US4203376 Treatment of waste
05/13/1980CA1077289A1 Process for converting waste material into compost
04/1980
04/29/1980CA1076720A1 Method and apparatus for composting refuse/sewage sludge mixtures
03/1980
03/25/1980US4194320 Plant growing unit
03/19/1980EP0008601A1 Compost making apparatus
03/11/1980US4192848 Pollution control
03/04/1980US4191647 Filtration system for household sewage
03/04/1980US4191643 Method for the mechanical preparation of organic wastes in a biological digestion process
01/1980
01/22/1980US4184892 Toable roof supported by pressurized gas, hermetic sealing, oxygen-free, spraying with water
01/22/1980US4184269 Apparatus for aerating organic waste material
10/1979
10/02/1979US4169878 Helical composter
09/1979
09/25/1979US4168915 Rotary drum
09/19/1979EP0004094A2 Apparatus for preparing composting material
09/04/1979US4166835 For production of liquid fertilizer and methane from organic wastes
07/1979
07/24/1979US4162153 High nitrogen and phosphorous content biomass produced by treatment of a BOD-containing material
07/03/1979US4159944 Chelation of heavy metals from fertilizers
06/1979
06/05/1979CA1056074A1 Composting of bulky wastes
06/05/1979CA1056073A1 Composting process and device
05/1979
05/29/1979CA1055269A1 Device for preparation of earth improving substances from organic waste
05/03/1979WO1979000216A1 Compost making apparatus
04/1979
04/10/1979US4148154 Composite horticultural system
03/1979
03/27/1979US4146382 Aeration by forming tunnels
02/1979
02/13/1979US4139640 Method of effecting the aerobic thermophilic decomposition of organic waste materials
02/06/1979US4138333 Waste material digesters
01/1979
01/30/1979US4137062 Sewage treatment
01/23/1979US4135908 Method of and apparatus for aerobic decomposition of organic solids
01/23/1979US4135907 By-products of papermaking, nitrogenous material, aerobic digestion
01/16/1979US4134749 Organic waste material digestion apparatus and system
01/16/1979CA1046660A1 Process and apparatus for rapid composting of organic waste
01/02/1979US4132638 Aerobic, thermophilic degradation with enzyme addition
11/1978
11/14/1978US4125394 Compost bin with slideable panels
11/14/1978CA1042225A1 Process for conditioning sewage sludge
08/1978
08/22/1978US4108625 Method of, and apparatus for producing fertilizer by utilizing earthworms
08/22/1978US4108609 Compost container
08/08/1978US4105412 Portable compost container
08/01/1978US4104048 Manure treating process
05/1978
05/09/1978US4088103 Atomizing device
02/1978
02/07/1978US4072494 Method and device for the wet composting of organic sludge
01/1978
01/10/1978US4067504 Compost machine
12/1977
12/13/1977US4062770 Or sewage sludge
12/06/1977US4060945 Compost bin
11/1977
11/29/1977US4060390 Apparatus for producing composts
10/1977
10/11/1977US4053394 Process for separating and converting waste into useable products
09/1977
09/27/1977US4050917 Or into fertilizers or soil improving agents
09/06/1977US4046551 Organic digester apparatus and method
08/1977
08/16/1977US4042219 Mechanical aerobic composter
08/09/1977US4040810 Bioreduction of manure, fly larvae
06/1977
06/28/1977US4032318 Microorganisms, enzymes, proteins and carbohydrates
06/07/1977US4028189 Procedure and device for rapid composting of organic waste
04/1977
04/26/1977US4019723 Manure treatment apparatus and process
09/1976
09/28/1976US3982772 Apparatus for turning compost silo
06/1976
06/29/1976US3966415 Aerobic/anaerobic composting device
06/15/1976US3963470 Process for treating decomposable organic waste materials
06/01/1976US3960718 Method and apparatus for treating liquid sewage and waste
06/01/1976US3960537 Method of processing refuse and/or sludge and a plant for carrying out the method
05/1976
05/25/1976US3959125 Treatment and disposal of sewage sludge
04/1976
04/20/1976US3951294 Container for compost decomposition
03/1976
03/30/1976US3947357 Organic waste disposal device
01/1976
01/27/1976US3934999 Composting method and apparatus
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