| 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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| 02/25/2004 | CN1139783C Laser plumb device, apparatus and method for correcting plumbline of long member |
| 02/24/2004 | US6695531 Concrete slumping implement |
| 02/24/2004 | US6695095 Fall protection restraint apparatus |
| 02/24/2004 | US6694680 Lifting insert for prefabricated concrete components |
| 02/24/2004 | US6694679 Safety stand |
| 02/19/2004 | WO2004015219A1 Post and rail assembly |
| 02/19/2004 | WO2002103137A8 Tie rod for a strip-type tension member, used in the building trade |
| 02/19/2004 | US20040031892 Pole clamp for partition mount |
| 02/19/2004 | US20040031216 Anchor for securing safety device |
| 02/19/2004 | US20040031215 Methods and apparatus for masking a workpiece |
| 02/17/2004 | US6691827 Adjustable anchorage |
| 02/17/2004 | US6691826 Safety apparatus |
| 02/17/2004 | CA2262287C Permanent fall restraint anchor for a sloped truss roof |
| 02/12/2004 | WO2003056115A3 Framework for concrete structures |
| 02/12/2004 | DE20303056U1 Safety anchorage point for roof worker safety line has ring bolt attached at ninety degrees to the main axis of a fixture lock bolt |
| 02/11/2004 | EP1387917A1 Internal vibrator for concrete compacting |
| 02/10/2004 | US6688427 Concrete mounted safety stanchion and apparatus and methods for mounting to concrete |
| 02/10/2004 | US6688062 Rebar loop horizontal lifeline fall arrest system |
| 02/10/2004 | US6688049 Hook facility for concrete structure |
| 02/10/2004 | US6688046 Assembly of a safety rail for an access hatch |
| 02/05/2004 | DE10240708A1 Wind turbine power plant tower segment manufacturing method has self-compacting concrete fed into mold from below for preventing formation of air pockets |
| 02/05/2004 | DE10054900B4 Verfahren und Vorrichtung zum Aufbringen von Dünnbettmörtel Method and apparatus for applying thin-bed mortar |
| 02/04/2004 | EP1387032A1 Set of devices for covering and protecting door and window frames until said windows and doors are installed |
| 02/04/2004 | EP1387022A1 Device for the fastening of an anchoring post to a supporting structure |
| 02/04/2004 | EP1385681A1 Formwork for precast concrete panels |
| 02/04/2004 | CN1472411A Electric environment protecting reciprocal vibrator |
| 02/04/2004 | CN1137304C Flame retardant for mesh sheets and flameproof mesh sheet comprising the same |
| 01/29/2004 | WO2004009514A1 Applying mortar during bricklaying |
| 01/28/2004 | EP1384839A2 Fastening apparatus and production method of a fastening apparatus |
| 01/28/2004 | EP1383974A1 Bricklaying device |
| 01/22/2004 | WO2004007955A1 Method for the production of a concrete tower segment of a wind power plant |
| 01/22/2004 | WO2004007860A1 Building block |
| 01/22/2004 | WO2003070653A3 Concrete construction material and method of use |
| 01/22/2004 | WO2003010394A3 Connecting device for thermal insulating connection between at least two walls of a building, and method for making same |
| 01/22/2004 | US20040012216 Lifting of precast concrete bodies such as concrete panels |
| 01/22/2004 | US20040010997 Guides to align masonry walls defining apertures, and methods of use |
| 01/22/2004 | US20040010993 Removable safety stanchion post arrangement |
| 01/22/2004 | US20040010985 Cover for a concrete construction |
| 01/22/2004 | US20040010984 Anchoring device |
| 01/22/2004 | DE20314320U1 Mortar spreading system for use while laying bricks for building wall has hopper feeding mortar into gap between roller and flat sloping plate |
| 01/22/2004 | CA2492067A1 Building block |
| 01/21/2004 | EP1382776A2 Cover for a concrete construction |
| 01/21/2004 | CN2600538Y Multifunction wall bricks laying device |
| 01/21/2004 | CN1135288C Aligning apparatus for connection of long components |
| 01/20/2004 | US6679482 Construction perimeter guard |
| 01/20/2004 | US6679299 Rod clip and apparatus |
| 01/20/2004 | US6679284 Telescopic boom-mounted concrete pump apparatus |
| 01/17/2004 | CA2435062A1 Cover for a concrete construction |
| 01/15/2004 | WO2004005657A1 Door jamb protector |
| 01/15/2004 | WO2004005650A1 A method for building a multi-storey building and a temporary exterior wall with a number of temporary wall elements for practising the method |
| 01/15/2004 | WO2004005635A1 Denticulation of concrete joints |
| 01/15/2004 | WO2004005632A2 Casting form for a cast-in-place structural element |
| 01/15/2004 | WO2003036001B1 Construction safety screen system |
| 01/15/2004 | US20040007657 Casting form for a cast-in-place structural element and fencing system including cast-in-place structural elements |
| 01/15/2004 | US20040007150 Roof safety system |
| 01/15/2004 | US20040006946 Temporary stairway rail and baluster support |
| 01/15/2004 | US20040006938 Door jamb protector |
| 01/15/2004 | US20040006935 Support for construction site layout lines |
| 01/15/2004 | DE20218299U1 Light strip for flat roofs has a frame made from metal, wood or concrete fixed to a roof surface with light-permeable plate elements arranged flat or bent or rigid or tilting on the frame |
| 01/15/2004 | DE10243000A1 Fixiervorrichtung und Verfahren zur Herstellung einer Fixiervorrichtung Fixing device and method of manufacturing a fixing device |
| 01/15/2004 | DE10230466A1 Versetzhilfe für einen Kunststein Versetzhilfe for an artificial stone |
| 01/15/2004 | DE10227864A1 Greiftraverse zum Greifen von Werksteinen, Pendelhebel für ein Rad zum Fortbewegen einer Hubvorrichtung zum Versetzen von Werksteinen sowie Hubvorrichtung Cross Traverse to grip cut stones, pendulum lever for a wheel to propel a lifting device for moving and lifting Formstones |
| 01/15/2004 | DE10227632A1 Anschlusseinrichtung für den Potentialausgleich Connecting means for potential equalization |
| 01/15/2004 | CA2487385A1 Denticulation of concrete joints |
| 01/14/2004 | CN2599141Y Low noise FM electromagnetic vibrator |
| 01/14/2004 | CN1467354A Retardation setting tendon cladding equipment and uses thereof |
| 01/13/2004 | US6675822 Concrete distributing boom for concrete pumps |
| 01/08/2004 | WO2004003312A1 Modular platform, walkway or ramp |
| 01/08/2004 | WO2004002702A1 Method for arranging engagement means in a concrete part |
| 01/08/2004 | WO2004002701A2 Method for providing attachments between a concrete part to a further part |
| 01/08/2004 | WO2003093608A3 Method and apparatus to achieve consistent spacing between layers of modular construction material |
| 01/08/2004 | US20040004211 Casting from for a cast-in-place columnar structural element and fencing system including cast-in-place columnar structural elements |
| 01/08/2004 | US20040004092 Gravitational safety valve for material delivery systems |
| 01/08/2004 | US20040003572 Masonry module spacing and support device |
| 01/08/2004 | US20040003509 Stud spacer |
| 01/08/2004 | DE19955606A1 Lattschnur Lattschnur |
| 01/08/2004 | DE10228083A1 Verschlussstopfen Sealing plugs |
| 01/08/2004 | DE10228082A1 Verwahrkasten Storage box |
| 01/07/2004 | EP1378619A1 Safety device which is intended to be fixed under a roof covering for works at great height |
| 01/07/2004 | CN1133786C Concrete pumping device |
| 01/06/2004 | US6672029 Pipe support apparatus |
| 01/02/2004 | EP1376422A2 System and apparatus for project risk management |
| 01/02/2004 | EP1375782A2 Core for cavity for reinforcements |
| 01/02/2004 | EP1375765A2 Closure for connections in concrete constructions |
| 01/02/2004 | EP1373662A1 A bricklaying tool |
| 01/02/2004 | EP1373661A1 Device for actuating an articulated mast, especially for concrete pumps |
| 01/02/2004 | EP1373652A2 Fresh masonry wall protection device and method for rapidly protecting a newly laid masonry wall |
| 01/01/2004 | US20040000626 Casting support and casting form |
| 12/31/2003 | CN1464825A Formwork for precast concrete panels |
| 12/31/2003 | CN1132854C Flame retardent used for web sheet, and firt protection web sheel |
| 12/30/2003 | US6668509 Reusable roof anchor for safety lines |
| 12/30/2003 | US6668507 Hurricane resistant precast composite building system |
| 12/30/2003 | US6668497 Concrete placing boom adapter |
| 12/25/2003 | US20030234339 Manufacturing platform |
| 12/24/2003 | CN2594383Y Assembled grouting pumps |
| 12/24/2003 | CN1131918C Four-date construction period for semi-precast multistoried building |
| 12/24/2003 | CN1131917C Handrail mounting device |
| 12/24/2003 | CN1131916C 可部分缩回的建筑平台 Can be partially retracted building platform |
| 12/24/2003 | CN1131834C Premixed concrete paving system |
| 12/23/2003 | US6666621 Temporary trench cover and rail |