| Patents for B28C 5 - Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions (6,849) |
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| 01/02/1991 | CA1278567C Device and process for continuous supply of hydraulically setting compound |
| 12/27/1990 | EP0403784A2 Method and device for disposal of contaminated rubble |
| 12/25/1990 | US4979829 Cement mixing with vibrator |
| 12/18/1990 | US4978073 Apparatus for pneumatically discharging liquified building material containing a hardener |
| 11/29/1990 | WO1990014322A1 Method and plant for the production of injectable cement mixtures |
| 11/27/1990 | US4973167 Continuous concrete mixing apparatus |
| 11/27/1990 | US4973166 Particulate material conditioner |
| 11/22/1990 | EP0398467A2 A slicing and grinding system for a wafer slicing machine |
| 11/22/1990 | DE4014892A1 Bituminous concrete mix. with dispersed wire reinforcement - prepd. by adding wire in bundles held together by binder which disintegrates in hot bitumen |
| 11/19/1990 | CA2017018A1 Concrete admixture device and method of using same |
| 11/06/1990 | US4968349 Method for producing hardened cement mineral material, especially concrete, and an apparatus for implementation of the method |
| 10/30/1990 | US4966463 Mixer unit for cellular concrete paste and method of making such paste |
| 10/24/1990 | CN2064300U Elastic agitator of the forced and transverse shaft concrate mixer |
| 10/18/1990 | WO1990011877A1 A concrete flow converter |
| 10/16/1990 | US4963032 Drum for tilt mixer |
| 10/16/1990 | US4963031 Cement slurry batcher apparatus and process |
| 10/10/1990 | CN2063474U Multi-function combined mixer |
| 10/09/1990 | US4961790 Concrete admixture device and method of using same |
| 10/04/1990 | WO1990011125A1 Mixing apparatus comprising a spiralled turning collar |
| 09/25/1990 | US4958935 Method of breaking up bundles of adherent hard fibers and an oscillating screen |
| 09/12/1990 | CN2061889U 半球式混凝土搅拌机 Hemisphere concrete mixer |
| 09/07/1990 | WO1990009875A1 Mortar mixing drum |
| 09/07/1990 | WO1990009840A1 Method and apparatus for kneading powder and kneading material |
| 09/06/1990 | DE4006091A1 Spritzmischduesenaggregat, insbesondere fuer das beton-trockenspritzen Spritzmischduesenaggregat, especially for the concrete-dry spray |
| 08/28/1990 | US4953135 Dry blending with fibers |
| 08/26/1990 | CA2010829A1 Method for the manufacture of a moist mixture from plaster of paris and fibres |
| 08/21/1990 | US4951261 Drive and support for mixer drum |
| 08/15/1990 | WO1990009266A1 A distribution system for concrete |
| 08/15/1990 | CN2060388U Stirring device of split agitator |
| 08/15/1990 | CA2046307A1 Distribution system for concrete |
| 08/08/1990 | EP0221900B1 A method of breaking up bundles of adherent hard fibers and an oscillating screen |
| 08/02/1990 | DE3902535A1 Method and device for treating contaminated bases |
| 07/17/1990 | WO1990008021A1 A tank construction in a bulk cargo transportation system consisting of a lorry and trailer |
| 07/17/1990 | CA2044602A1 Tank construction in a bulk cargo transportation system consisting of a lorry and trailer |
| 06/28/1990 | WO1990006902A1 Fibres and material comprising same |
| 06/27/1990 | EP0374682A1 Vehicle concrete mixer |
| 06/27/1990 | EP0374681A1 Vehicle mixer |
| 06/21/1990 | DE3906417A1 Mobile concrete mixer (agitator truck, transit mixer) |
| 06/20/1990 | CN1008464B Air stream agitating and ebullient spraying technology and equipments |
| 06/19/1990 | US4934596 Slurry distributor |
| 06/13/1990 | DE3841123A1 Nozzle mixing body for dry concrete spraying in the form of a connection stub |
| 06/12/1990 | US4932785 Aggregate drying system with improved aggregate dryer and mass flow apparatus |
| 05/30/1990 | EP0370181A1 Continuously working mixer |
| 05/24/1990 | CA2003118A1 Continuously working mixer |
| 05/23/1990 | EP0369350A2 Mixer |
| 05/16/1990 | EP0367912A1 Mixing and feeding device using compressed air |
| 04/25/1990 | EP0365154A2 Mixing apparatus |
| 04/24/1990 | US4919249 Multiple section chute restrictor |
| 04/19/1990 | WO1990003875A1 Cold concrete production apparatus |
| 04/10/1990 | US4915505 Blender apparatus |
| 03/29/1990 | DE3831951A1 Method of working mortar or concrete |
| 03/14/1990 | CN2054396U Axle sleeve double-tile frame structure of mortar mixer |
| 02/27/1990 | US4904089 Particle wetting process and apparatus |
| 02/22/1990 | DE3828329A1 Through-flow mixer having a novel neck bearing |
| 02/15/1990 | DE3827539A1 Device for mixing different fibres in a desired mixing ratio |
| 02/15/1990 | DE3824414A1 Mobile concrete mixer having automatic control |
| 02/08/1990 | WO1990000930A1 A method and an apparatus for mixing materials |
| 02/08/1990 | DE3826521A1 Device for wetting pack construction materials |
| 01/25/1990 | DE3824317A1 Rotatably mounted, hand-operated or motor-operated sieve drum for soils, composts, sand, building materials and the like |
| 01/24/1990 | EP0351440A1 Process to incorporate disposable asbestos-containing rubble in concrete bodies, and apparatus for carrying out the process |
| 01/23/1990 | US4895277 Foot operated mortar drum latch assembly |
| 01/18/1990 | DE3839575C1 Mixer |
| 01/10/1990 | EP0349551A1 Apparatus and method for producing foamed materials. |
| 01/04/1990 | DE3821934A1 Concrete mixer, in particular moving mixer |
| 01/03/1990 | EP0206224B1 Device for the pneumatic application of a hardenable building material hydromechanically transported in a highly viscous flow, particularly of a hydraulically injected concrete or mortar |
| 01/03/1990 | CN2050373U Concrete agitator |
| 01/03/1990 | CN2050372U Pre-feeding water dual spindle agitator |
| 12/28/1989 | WO1989012536A1 Aggregate drying system with improved aggregate dryer and mass flow apparatus |
| 12/06/1989 | EP0345237A1 Concreting jet spray apparatus |
| 11/08/1989 | CN2047213U Driving system of cantilever pull-shovel of concrete mixing plant |
| 11/07/1989 | US4878759 Turbine mixer |
| 11/02/1989 | WO1989010247A1 Apparatus for preparing foamed concrete or other foamed products |
| 10/31/1989 | US4877327 Mortar mixing drum |
| 10/25/1989 | EP0338548A2 Process for wetting fibres containing cement or gypsum compositions |
| 10/18/1989 | CN2046064U Crushing and agitating type double winch ropes brick-making machine |
| 10/12/1989 | DE3809661A1 Apparatus for continuously mixing a building material |
| 10/10/1989 | US4872913 Apparatus and method to produce foam, and foamed concrete |
| 10/10/1989 | US4872760 Method and apparatus for processing a mix, preferably concrete mix |
| 09/26/1989 | CA1260925A1 Mixer |
| 09/13/1989 | CN2044205U Forced stirring shaft for concrete stirrer |
| 08/30/1989 | EP0330000A1 Semi-automatic sieving apparatus for aggregates on the building site |
| 08/24/1989 | WO1989007582A1 A glass fibre reinforced plaster composition |
| 08/09/1989 | EP0327062A2 Method for applying spray concrete to walls, to surfaces in danger of collapsing or the like |
| 08/08/1989 | US4854711 Apparatus and method for mixing concrete |
| 08/02/1989 | CN2042006U Stirring-driving apparatus for forced stirrer |
| 07/26/1989 | CN2041616U Concrete mixing station |
| 07/11/1989 | US4846581 Rear discharge-two way concrete mixer |
| 07/05/1989 | CN2040435U Ceramic mixing blade |
| 07/04/1989 | US4844340 Method and apparatus for spraying an inorganic hydraulic material composition containing reinforcing short fibers |
| 06/14/1989 | CN2039261U Bladeless concrete mixer |
| 06/13/1989 | US4839120 Ceramic material extruding method and apparatus therefor |
| 06/07/1989 | CN1033257A Double-side impact printing device and method thereof |
| 05/30/1989 | US4834542 Mixer for pulverous and liquid materials (essentially cement and water), of liquid-liquid materials |
| 05/23/1989 | US4832498 Mobile concrete mixer |
| 05/16/1989 | US4830669 Low water-cement ratio by using small ice pieces instead of water; delaying hydration; high strength |
| 05/16/1989 | US4830505 Particle wetting process and apparatus |
| 05/09/1989 | US4828393 Method for obtaining a base material for building mortar |
| 05/09/1989 | CA1253852A1 Turbine mixer |
| 05/02/1989 | US4827455 Mixer |
| 04/05/1989 | CN1003777B Agitating lorry using countercurrent discharge for building material, especially for concrete |