| A23J 1/16 | Obtaining proteins from waste water of starch-manufacturing plants or like wastes |
| A23K 10/26, , A23K 10/37 | Animal feeding-stuffs from waste material |
| A23K 10/28 | Animal feeding-stuffs from waste dairy products |
| A23K 10/38 | Animal feeding-stuffs from distillers' or brewers' waste |
| A43B 1/12 | Footwear made of rubber waste |
| A61L 11/00 | Disinfection or sterilisation methods specially adapted for refuse |
| A62D 3/00 | Processes for making harmful chemical substances harmless, or less harmful, by effecting a chemical change in the substances |
| B01D 53/34 | Chemical or biological purification of waste gases |
| B02C 18/00 | Disintegrating by knives or other cutting or tearing members which chop material into fragments |
| B03B 7/00 | Combinations of wet processes or apparatus with other processes or apparatus, e.g. for dressing ores or garbage |
| B03B 9/06 | General arrangement of separating plant, e.g. flow sheets, specially adapted for refuse |
| B05B 15/04 | Control of spray area of spraying plant, e.g. masking, side shields; Means for collection or re-use of excess material |
| B08B 15/00 | Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area |
| B22F 8/00 | Manufacture of articles from scrap or waste metal particles |
| B23D 25/14 | Machines or arrangements for shearing stock while the latter is travelling otherwise than in the direction of the cut without regard to the exact dimensions of the resulting material, e.g. for cutting up scrap |
| B24B 55/12 | Devices for recovering materials resulting from grinding or polishing |
| B27B 33/20 | Edge trimming saw blades or tools combined with means to disintegrate waste |
| B29B 17/00 | Recovery of plastics or other constituents of waste material containing plastics |
| B30B 9/32 | Presses for consolidating scrap metal or for compacting used cars |
| B62D 67/00 | Systematic disassembly of vehicles for recovery of salvageable components, e.g. for recycling |
| B63B 17/06 | Refuse discharge from vessels, e.g. for ash |
| B63J 4/00 | Arrangements of installations for treating waste water or sewage on vessels |
| B65F 1/00 | Refuse receptacles |
| B65F 3/00 | Vehicles particularly adapted for collecting refuse |
| B65F 5/00 | Gathering or removal of refuse otherwise than by receptacles or vehicles |
| B65F 7/00 | Cleaning or disinfecting devices combined with refuse receptacles or refuse vehicles |
| C03C 1/00 | Ingredients generally applicable to manufacture of glasses, glazes or vitreous enamels |
| C04B 7/24 | Hydraulic cements from oil shales, residues or waste other than slag |
| C04B 11/26 | Calcium sulfate cements made from phosphogypsum or from waste, e.g. purification products of smoke |
| C04B 18/04 | Waste material or refuse used as fillers for mortars, concrete, artificial stone or the like |
| C04B 33/132 | Waste materials or refuse used as compounding ingredients for clay-wares |
| C05F | Fertilisers from waste or refuse |
| C08B 16/00 | Regeneration of cellulose |
| C08J 9/33 | Agglomerating foam fragments, e.g. waste foam |
| C08J 11/00 | Recovery of waste materials of macromolecular substances |
| C08L 17/00 | Compositions of reclaimed rubber |
| C09K 11/01 | Recovery of luminescent materials |
| C10B 53/00 | Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form |
| C10B 57/00 | Other processes not covered before; Features of destructive distillation processes in general |
| C10G 1/10 | Production of liquid hydrocarbon mixtures from rubber or rubber waste |
| C10G 73/23 | Recovery of used solvents |
| C10L 5/46 | Solid fuels essentially based on sewage, house or town refuse |
| C10L 5/48 | Solid fuels essentially based on industrial residues and waste materials |
| C10M 175/02 | Working-up used lubricants based on mineral oils |
| C11B 13/00 | Recovery of fats, fatty oils, or fatty acids from waste materials |
| C11D 19/00 | Recovery of glycerol from a saponification liquor |
| C12F 3/00 | Recovery of by-products |
| C12F 3/08 | Recovery of alcohol from press residues or other waste material |
| C12P 7/08 | Biochemical production of ethanol from waste |
| C22B 7/00 | Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof |
| C22B 19/28 | Obtaining zinc or zinc oxide from muffle furnace residues |
| C22B 19/30 | Obtaining zinc or zinc oxide from metallic residues or scraps |
| C22B 25/06 | Obtaining tin from scrap |
| C25D 13/24 | Regeneration of process liquids used in electrophoretic coating |
| C25D 21/16 | Regeneration of process solutions used in electrolytic coating |
| D01B | Mechanical treatment of natural fibrous or filamentary material to obtain fibres or filaments, e.g. for spinning |
| D01C 5/00 | Carbonising rags to recover animal fibres |
| D01F 13/00 | Recovery of starting material, waste material or solvents during the manufacture of artificial filaments or the like |
| D01G 11/00 | Disintegrating fibre-containing articles to obtain fibres for re-use |
| D01H 11/00 | Arrangements for confining or removing dust, fly, or the like |
| D06L 1/10 | Regeneration of used chemical baths used for dry-cleaning or washing fibres, fabrics or the like |
| D21B 1/08 | Dry treatment of waste paper or rags for making paper or for the production of cellulose |
| D21B 1/32 | Defibrating waste paper |
| D21C 5/02 | Processes for obtaining cellulose by working-up waste paper |
| D21C 11/14 | Regeneration of pulp liquors by wet combustion |
| D21F 1/66 | Re-use of pulp-water in wet end machines for making continuous webs of paper |
| D21H 17/01 | Waste products added to the pulp or used in paper-impregnating material |
| E03F | Sewers, cesspools |
| E04F 17/10 | Arrangements in buildings for the disposal of refuse |
| F23G | Consuming waste by combustion |
| F23J | Removal or treatment of combustion products or combustion residues |
| G03C 11/24 | Removing emulsion from waste photographic material |
| G03G 21/10 | Collecting or recycling waste developer used in electrography, electrophotography, magnetography |
| G21F 9/28 | Treating radioactively contaminated solids |
| H01B 15/00 | Apparatus or processes for salvaging material from electric cables |
| H01J 9/52 | Recovery of material from discharge tubes or lamps |
| H01M 6/52 | Reclaiming serviceable parts of waste cells or batteries |
| H01M 10/54 | Reclaiming serviceable parts of waste accumulators. |