Patents
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)
10/2002
10/30/2002CN2518907Y Crank link type grouting pump filter head swinging machine
10/30/2002CN1376835A Device for anchoring holding device on basement
10/29/2002US6470636 Detensioning apparatus for releasing a chuck on a prestressed strand
10/24/2002DE19964278C2 Device for sealing opening in building works etc has sealing element adjoining circumferential edge of opening on outside and/or inside and tensioned by first pressure plate braced against second to take up reaction forces
10/24/2002DE10153367A1 End wall casing for the face of a concrete wall comprises a middle part having a face corresponding to the surface between reinforcing elements already present in the wall, and one or two side cheeks
10/23/2002EP0964957B1 Fluid surface texturing device
10/23/2002CN1375639A Automatic opening and closing control method for hydraulic energy-accumulating gig unloading system
10/22/2002US6467812 Pipe having replaceable wear resistant lined coupler
10/22/2002US6467223 Composite concrete and steel floor/carrier for modular buildings
10/17/2002US20020148170 Fall protecting safety device
10/17/2002DE10116407A1 Vorrichtung zur Betätigung eines Knickmasts insbesondere für Betonpumpen A device for actuating a articulated mast in particular for concrete pumps
10/16/2002EP1249564A2 Safety device for the building field, for individually protecting against falls workers assigned to walking at high elevations in buildings under construction.
10/15/2002US6463958 Distributing device for thick substances, especially concrete
10/15/2002US6463710 Ledger bracket and method
10/12/2002CA2379448A1 Safety device for the building field, for individually protecting against falls workers assigned to walking at high elevations in buildings under construction
10/10/2002WO2002079596A1 Device for actuating an articulated mast, especially for concrete pumps
10/10/2002US20020144481 Sheet with weight
10/10/2002DE10116673A1 Transport anchor for a prefabricated concrete double wall comprises a transverse part connected to the arms of a U-shaped base part and having free arms extending in a plane intersecting the plane in which the arms of the base part extend
10/09/2002EP1246983A1 Construction element for temporarily closing an opening in a wall in a building being constructed
10/09/2002EP1246771A1 Mobile concrete pump comprising telescopic support arms
10/09/2002CN2515368Y Electric concrete float finisher
10/09/2002CN1373826A Ferrule holding device
10/09/2002CN1373347A Integrated autocontrol tester for prestressed stretch-draw anchor
10/08/2002US6460824 Concrete void former and cooperating cover
10/08/2002US6460581 Wall hopper
10/03/2002WO2002077391A2 Manufactured reinforced concrete system
10/02/2002EP1245756A1 Hollow slab and its manufacturing process
10/02/2002CN1371770A Technological method for working intermediate plate by cold upsetting extruding process
10/01/2002US6457902 Truss screed with covered vibrator shaft
09/2002
09/26/2002WO2002075079A1 Socket for a concrete vault
09/26/2002WO2002075078A1 An apparatus for aligning structural members
09/26/2002WO2002075077A1 Truss screed with covered vibrator shaft
09/26/2002WO2002075076A2 Mobile working machine provided with stability monitoring
09/26/2002US20020134905 Void forming device
09/26/2002DE10114371A1 Falling stop protecting against falls is made of metal and comprises a support plate having a holding plate and secured by a fixing plate in a support having a holding opening
09/26/2002DE10112086A1 Verteilervorrichtung für Dickstoffe Device for dispensing viscous products
09/25/2002EP1243718A2 Mounting device for building surfaces
09/25/2002EP1243717A2 Mounting device for building surfaces
09/25/2002CN2512859Y Special tool for transporting concrete product
09/24/2002CA2059251C Barrier system
09/19/2002WO2002072978A1 Distributor device for thick matter
09/19/2002US20020131323 Vibrator
09/18/2002EP1240062A1 Horizontal lifeline traversing device
09/18/2002EP0854960B1 Lifting anchor for embedment in concrete members
09/18/2002CN2511746Y Prestressed stretchy mechanism
09/17/2002US6450505 Seal for casting in a concrete wall of a fluid distribution system container
09/17/2002US6449919 Accessory for building construction
09/17/2002US6449856 Laser plumbing device, long member plumbing device and long member plumbing method
09/17/2002CA2099135C Method for blending of admixtures in a sprayed concrete mass and agent for application of the method
09/12/2002WO2002070832A1 Batten positioning device
09/12/2002US20020124786 Assembly of a safety rail for an access hatch
09/12/2002US20020124507 Safety barrier for roof construction
09/12/2002US20020124503 Fresh masonry wall protection device and method for rapidly protecting a newly laid masonry wall
09/11/2002EP1239101A2 Mounting-aid
09/11/2002CN2510624Y Cantilever crane type concrete transport pump
09/11/2002CN2510575Y Concrete vibration rod
09/06/2002WO2002068775A2 Universal mast support frame and method for mounting the masts
09/06/2002WO2002068774A2 Fresh masonry wall protection device and method for rapidly protecting a newly laid masonry wall
09/06/2002WO2002057570A8 Electronic frequency converter comprising a cooling circuit
09/06/2002CA2436074A1 Fresh masonry wall protection device and method for rapidly protecting a newly laid masonry wall
09/05/2002DE10110176A1 Mobile work-tool, especially concrete pumping vehicle has force sensors in each support foot monitored by an evaluating electronics
09/04/2002EP1236845A1 Fall protection device
09/04/2002EP1236844A1 A screeding device
09/04/2002EP1235965A1 Concrete distributing boom for concrete pumps
08/2002
08/29/2002US20020117219 Conveying pipeline mounted inside a boom
08/29/2002US20020116887 Protective cover for reinforcing bar
08/29/2002DE10107107A1 Vorrichtung zur Betätigung eines Knickmasts eines Großmanipulators sowie Großmanipulator mit einer solchen Vorrichtung Actuation apparatus articulated mast of a large manipulator and large manipulator with such a device
08/28/2002CN1366264A Project management method of constructional engineering
08/28/2002CN1366117A Construction method of sheltered building
08/27/2002US6439542 Multipurpose tool
08/27/2002US6439344 Concrete mounted safety stanchion and apparatus and methods for mounting to concrete
08/27/2002CA2215120C D-ring anchorage connector
08/22/2002WO2002064913A1 A bricklaying tool
08/22/2002WO2002064912A1 Device for actuating a bending mast in a large manipulator and a large manipulator comprising said device
08/22/2002WO2002064911A2 Distribution device for thick matter, especially for concrete
08/22/2002US20020113231 Method for demounting a prestressing cable, and device for carrying it out
08/22/2002US20020112441 Universal mast support frame and method for mounting masts
08/22/2002US20020112426 Impalement protection safety system
08/22/2002US20020112337 Reinforcing bar tool and method
08/21/2002EP1233123A2 A bricklaying method and an arrangement for the implementation thereof
08/21/2002CN1364966A Combined building formwork net with tie bars
08/20/2002US6435581 Three-yard concrete bucket with integral ladder
08/20/2002US6434900 Prefabricated concrete wall system
08/15/2002WO2002063117A1 Arch shut-off
08/15/2002US20020110413 Reinforcing bar connection and method
08/15/2002US20020110045 Three-yard concrete bucket with integral ladder
08/15/2002US20020108335 Building assembly having standing seams with mounting devices disposed thereon
08/15/2002US20020108329 Device for anchoring one end of a stay to a base
08/15/2002US20020108321 Concrete reinforcing bar protective cover
08/14/2002DE10124145C1 Innenrüttler zum Verdichten von Beton Internal vibrators for compacting concrete
08/14/2002DE10106427A1 Verteilervorrichtung für Dickstoffe, insbesondere für Beton A distributor device for thick matter, especially for concrete
08/14/2002DE10106136A1 Rüttler-Anordnung Jogger arrangement
08/14/2002DE10101570A1 Großmanipulator mit Schwingungsdämpfung Large manipulator with vibration damping
08/13/2002US6431517 Reusable gripper/stabilizer jig for construction anchor bolt
08/13/2002US6430826 Brick placement guiding apparatus and method of the same
08/08/2002US20020104987 Temporary guard rail system
08/08/2002US20020104287 Concrete building module with module lifting means and method
08/08/2002DE10061467A1 Vorrichtung und Verfahren zum Aufbringen von Dünnbettmörtel Apparatus and method for applying thin-bed mortar
08/07/2002EP1228279A1 Rod clip and apparatus
08/07/2002CN2504345Y Splicing whole enclosed construction closure