| Patents for E04G 21 - Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work (22,137) |
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| 01/26/2000 | CN1048678C Method for jet of concrete or mortar |
| 01/25/2000 | US6017014 Holder for vertical steel rebar |
| 01/25/2000 | US6016890 Personal safety device |
| 01/20/2000 | DE19829715A1 Mortar applicator for plastering one side of several bricks has top filler opening and movable slider which is opened and closed to release and hold back plaster |
| 01/19/2000 | CN2359393Y Eccentric vibrating spear with speed increaser |
| 01/13/2000 | WO2000001904A1 Mobile horizontal platform for prefabrication on building site and for successively placing masonry parts |
| 01/09/2000 | CA2277102A1 Chimney cowl |
| 01/05/2000 | DE19829781A1 Transport anchor arrangement with anchor embedded in prefabricated concrete part |
| 01/05/2000 | DE19829418A1 Equipment for producing prefabricated, bricked wall components |
| 01/05/2000 | DE19828812A1 Stone measurement table for rail system of mason machine |
| 01/05/2000 | DE19826985A1 Formwork part for producing prefabricated concrete components |
| 01/05/2000 | CN2357069Y Dense mesh type safety vertical net |
| 01/04/2000 | US6009973 Slidable anchor point fixture for rails |
| 12/30/1999 | DE19923684A1 Covering for bolt anchor with nut embedded in concrete in building works |
| 12/30/1999 | DE19828564A1 Applying mortar to underside of bricks during bricklaying |
| 12/30/1999 | DE19828563A1 Mortar tray for rail controlled brick laying system |
| 12/30/1999 | DE19827994A1 Construction of walls using bricklaying machine |
| 12/30/1999 | DE19827993A1 Overhead monorail stone transporter system for building construction |
| 12/29/1999 | WO1999067482A1 Travelling concrete pump |
| 12/29/1999 | WO1999067072A1 Method and device for magnetic alignment of fibres |
| 12/29/1999 | EP0967347A1 Safety anchoring method particularly for lifting concrete slabs, and a coupling device for implementing the method |
| 12/29/1999 | CN1239750A Handrail mounting device |
| 12/26/1999 | CA2241485A1 Improved temporary cleat for sheet goods |
| 12/22/1999 | EP0964957A1 Fluid surface texturing device |
| 12/22/1999 | CN2355041Y Nozzle for concrete jetting apparatus |
| 12/22/1999 | CN2355018Y Detachable sound insulation wall for construction site |
| 12/22/1999 | CN1239165A Fire retardant for net sheet and fire-retarded net sheet using same |
| 12/21/1999 | US6003629 Roofers safety brace |
| 12/21/1999 | US6003282 Movable safety barrier for construction of a roof structure |
| 12/21/1999 | CA2080510C Reinforced carrier disc for operable partition system |
| 12/16/1999 | WO1999064695A2 Formation and attachment of tilt-up concrete panels |
| 12/16/1999 | DE19825907A1 Stone tongs on vehicles on rail systems |
| 12/16/1999 | DE19825101A1 Method for producing designed curved brick walls |
| 12/15/1999 | EP0964116A1 Immersion vibrator powered by a transformer |
| 12/15/1999 | CN2353830Y Wall-flattening machine |
| 12/15/1999 | CN2353829Y Plug-in type eletromagnetic vibrator |
| 12/15/1999 | CN1238417A Method and apparatus for adding ribs to building |
| 12/14/1999 | US6000898 Wall lift and method of lifting a wall |
| 12/14/1999 | US6000498 Safety/debris net system |
| 12/14/1999 | US6000443 Brake mechanism of wire reel for reinforcing bar binding machine |
| 12/14/1999 | US6000193 Easily adjustable, reusable arch-forming assembly for creating a framework for constructing arches and archways |
| 12/14/1999 | CA2139614C Paint masking kit for windows and method of using same |
| 12/07/1999 | US5996856 Mortaring made easier |
| 12/07/1999 | US5996290 Multi-purpose, positioning-fastening strap |
| 12/07/1999 | US5996238 Right hand level holder |
| 12/05/1999 | CA2273744A1 Hydraulic cable tensioner |
| 12/02/1999 | WO1999061724A1 Tool for levelling a ground surface |
| 12/02/1999 | DE19824273A1 Vorrichtungen und Verfahren zum Handhaben plattenförmiger Elemente Devices and methods for handling plate-shaped elements |
| 12/01/1999 | EP0960992A2 Devices and method to handle plate shaped elements |
| 12/01/1999 | CN1237220A Powder transfer apparatus and powder spraying method |
| 12/01/1999 | CN1236840A Fire retardant for net slice and its fire retarding net slice |
| 11/30/1999 | US5992238 Vibration speed sensor |
| 11/26/1999 | CA2234336A1 Mortaring made easier |
| 11/25/1999 | WO1999060229A1 Aid for reinforced concrete construction |
| 11/25/1999 | DE19822212A1 Vorrichtung zur Ausrichtung von Bauelementen A device for alignment of components |
| 11/24/1999 | EP0959201A2 Safety rail holding device |
| 11/24/1999 | EP0959200A1 Device for the alignment of construction elements |
| 11/24/1999 | EP0634987B1 A lifting device and method |
| 11/24/1999 | CN2350473Y Steel bar cold-drawing device |
| 11/23/1999 | US5987766 Bumper post positioning device |
| 11/18/1999 | WO1999058790A1 Adjustable safety net methods and apparatus |
| 11/18/1999 | WO1999058235A1 Material feed container, especially for thick matter pumps |
| 11/16/1999 | US5984605 Panel lifting apparatus |
| 11/16/1999 | US5983588 Mounting device for building surfaces |
| 11/16/1999 | US5983473 Reinforcing bar binding machine |
| 11/11/1999 | WO1999057055A1 Improvements relating to the lifting of precast bodies such as concrete panels |
| 11/11/1999 | DE19820509A1 Material container for a concrete pump |
| 11/11/1999 | DE19819307A1 Rail-mounted concrete mixer for making pre-fabricated concrete |
| 11/10/1999 | EP0955141A2 Process and device for the preparation of pasty building materials , in particular of mortar on construction sites |
| 11/10/1999 | CN2348044Y Plastic calliper for constructional engineering |
| 11/09/1999 | US5980635 Method and apparatus for applying mortar to underside of a building block |
| 11/09/1999 | US5980190 Ready mix concrete conveying apparatus |
| 11/04/1999 | DE19920164A1 Security grid structure for fitting to a building wall |
| 11/04/1999 | DE19819605A1 Seal between window frame and soffit |
| 11/04/1999 | DE19801106A1 System for suspending and transporting brick wall section |
| 11/03/1999 | EP0953683A2 Screeding apparatus and method incorporating oscillating attachment |
| 11/03/1999 | EP0953092A1 Partition mount |
| 11/02/1999 | US5975239 Anchor for a roofing safety system |
| 10/28/1999 | WO1999054573A1 Protective device in the form of a barrier |
| 10/28/1999 | WO1999054056A1 Applicator device, especially for mortar |
| 10/28/1999 | DE19818626A1 Mortar slide for rail borne vehicle |
| 10/27/1999 | EP0952279A1 Protecting device |
| 10/27/1999 | EP0952278A2 Safety device for a reinforcing bars binding machine |
| 10/27/1999 | CA2230255A1 Staircase wrapping method |
| 10/26/1999 | US5971136 Tower-like transfer device |
| 10/26/1999 | US5971100 Ladder mount and gutter saver |
| 10/20/1999 | EP0950780A1 Device for positioning rebars in a shuttering for the execution of a construction in reinforced concrete |
| 10/20/1999 | EP0950779A1 Liftable work platform |
| 10/20/1999 | EP0950737A1 Sheet capable of controlling quantity of passing fluid |
| 10/19/1999 | US5966877 Rapidly deployable protective and structural cover system |
| 10/14/1999 | DE19815991A1 Disposal of cement residues |
| 10/13/1999 | EP0948688A1 Weather protection system for mounting on a scaffolding |
| 10/13/1999 | CN2343252Y 绑扎机 Binding Machine |
| 10/12/1999 | US5964073 Brick laying aid |
| 10/12/1999 | US5964042 For holding a brick mason's guide |
| 10/07/1999 | DE19814023A1 Tilting support for precast concrete mould |
| 10/05/1999 | CA2179248C Fall restraint anchoring device |
| 10/01/1999 | CA2230558A1 Screeding apparatus and method with oscillating attachment |
| 09/30/1999 | WO1999049154A1 A roof safety system |
| 09/29/1999 | EP0873455B1 Storage device for making available stackable building materials especially heat insulation boards on building or facade scaffolding |