| Patents for B28C - Preparing clay; Producing mixtures containing clay or cementitious material, e.g. plaster (31) |
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| 10/29/2013 | CA2563383C Method and arrangement for automatic mixing of water and concrete for rock bolting |
| 03/06/2012 | US8128767 Process for manufacturing gypsum board faced with non-woven glass fiber mat |
| 08/09/2011 | CA2529631C Gypsum board faced with non-woven glass fiber mat |
| 03/16/2010 | US7678317 Concrete mixing drum manufacturing method |
| 07/09/2009 | US20090173423 Gypsum board faced with non-woven glass fiber mat |
| 08/13/2008 | EP1644168A4 Gypsum board faced with non-woven glass fiber mat |
| 02/06/2008 | EP1226009A4 Vehicle mounted plastics drum for concrete mixing and methods of manufacture thereof |
| 03/07/2007 | EP1758718A1 Method and arrangement for automatic mixing of water and concrete for rock bolting |
| 07/18/2006 | CA2382250C Vehicle mounted plastics drum for concrete mixing and methods of manufacture thereof |
| 04/12/2006 | EP1644168A2 Gypsum board faced with non-woven glass fiber mat |
| 01/05/2006 | WO2006001743A1 Method and arrangement for automatic mixing of water and concrete for rock bolting |
| 01/05/2006 | CA2563383A1 Method and arrangement for automatic mixing of water and concrete for rock bolting |
| 08/11/2005 | US20050174879 Method and apparatus for adjusting a slump in and washing concrete mixing trucks |
| 06/07/2005 | US6902311 Plastics drum for concrete mixing and methods of manufacture thereof |
| 06/02/2005 | WO2005005118A3 Gypsum board faced with non-woven glass fiber mat |
| 05/19/2005 | US20050103431 Concrete mixing drum manufacturing method |
| 05/06/2005 | WO2005009708A3 Method and apparatus for adjusting a slump in and washing concrete mixing trucks |
| 02/03/2005 | WO2005009708A2 Method and apparatus for adjusting a slump in and washing concrete mixing trucks |
| 01/20/2005 | WO2005005118A2 Gypsum board faced with non-woven glass fiber mat |
| 12/30/2004 | US20040266303 Multilayer; glass fiber bonded with binder; controlling particle sizes; smooth surfaces, durability |
| 10/27/2004 | CN1172781C Vehicle mounted plastics drum for concrete mixing and methods of manufacture thereof |
| 12/11/2002 | CN1384775A Vehicle mounted plastics drum for concrete mixing and methods of manufacture thereof |
| 07/31/2002 | EP1226009A1 Vehicle mounted plastics drum for concrete mixing and methods of manufacture thereof |
| 04/19/2001 | WO2001026871A1 Vehicle mounted plastics drum for concrete mixing and methods of manufacture thereof |
| 11/09/1999 | US5979807 Process and plant for the production of a fluid fine paste hardenable after molding |
| 11/04/1998 | CN1198120A Process and plant for production of fluid fine paste hardenable after molding |
| 09/02/1998 | EP0861711A1 Process and plant for the production of a fluid fine paste hardenable after molding |
| 02/12/1998 | WO1998005483A1 Process and plant for the production of a fluid fine paste hardenable after molding |
| 02/12/1998 | CA2233573A1 Process and plant for the production of a fluid fine paste hardenable after molding |
| 03/06/1990 | CA1266463A1 Means for making a dense mixture of furnace waste and water, particularly power fly-ash, slag and water |
| 06/08/1982 | CA1125143A1 Process and mechanism for evolutive pulp flow regulation |