| 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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| 09/20/2000 | CN2397209Y Power vibrator roller for compacting concrete |
| 09/19/2000 | US6119431 Method of moving heavy materials |
| 09/14/2000 | DE19923309A1 Profilleiste Profile strip |
| 09/13/2000 | EP1035288A1 Section member |
| 09/13/2000 | EP1035271A1 Quick erecting shed roof |
| 09/13/2000 | CN2396138Y Low-noise concrete vibrator |
| 09/13/2000 | CN2396137Y Vibrator |
| 09/06/2000 | CN2394992Y Small concrete rammer |
| 09/06/2000 | CN1265719A Concrete supply arm with articulated sections |
| 09/05/2000 | US6112955 Liftable grout hopper and dispenser |
| 09/05/2000 | US6112853 Fall restraint system and method useful for roof inspection |
| 09/05/2000 | US6112475 Knee brace bracket for tilt-up construction |
| 08/31/2000 | DE19908668A1 Rabitz/braiding cutting pliers for concrete construction works has tong parts each with spherical outer surface near tong head part |
| 08/30/2000 | CN2393949Y Anchor enhancer and connecting ring |
| 08/30/2000 | CN2393948Y Anchor enhancer |
| 08/30/2000 | CN2393947Y Hand loader |
| 08/29/2000 | US6109111 Concrete vibrator monitor |
| 08/24/2000 | DE19938305A1 Plate lifter has one arm of locking lever equipped with locking pin while other arm forms operating component and in straight position of lifting arm is overlapped by load arm |
| 08/22/2000 | US6105267 Adjustable carpentry angle apparatus |
| 08/17/2000 | WO2000047285A1 Safety line anchor |
| 08/16/2000 | EP1028209A1 A process and device for putting under tension a multielement cable |
| 08/16/2000 | CN2391948Y Electric high frequency vibrator |
| 08/15/2000 | US6102607 Device for connecting concrete components |
| 08/10/2000 | WO2000046576A1 Fluent material container and dispenser |
| 08/10/2000 | DE19900038A1 Safety roof hook for hanging safety harnesses and roofing articles has eyelet for hanging harness formed inside holder of adaption system mounted at top of holding arm fixable on rafter |
| 08/10/2000 | DE19900016A1 Side safety guard for roof work has several parallel spaced support rods fixed on parallel spaced rafters and connected at one end to side protection rails with common safety trap |
| 08/09/2000 | EP1025322A1 Cover construction |
| 08/09/2000 | EP1024860A1 Shock absorbing support |
| 08/09/2000 | CN2390951Y Pallet elevator |
| 08/09/2000 | CN2390950Y Small size plate vibrator |
| 08/08/2000 | US6098750 Safety system |
| 08/08/2000 | US6098746 Crown anchor for a roofing safety system |
| 08/08/2000 | US6098302 Rafter template |
| 08/08/2000 | CA2182385C Temporary protective covering system |
| 08/08/2000 | CA2122890C Multipurpose bucket structure |
| 08/03/2000 | WO2000045012A1 Safety apparatus |
| 08/03/2000 | DE10004244A1 Support stirrup for use in scaffolding edge securement, has main part for suspension on edge of construction and accommodation member crossways to a part with holes for scaffolding |
| 08/02/2000 | EP1023510A1 Device for installing light-weight panel units |
| 08/02/2000 | EP0998615A4 Partly retractable construction platform |
| 08/01/2000 | US6095483 Edge lifting recess former and reinforcement system |
| 08/01/2000 | US6094883 Safety barrier for roof construction |
| 07/27/2000 | DE19902620A1 Rectification process for prefabricated stone gable wall elements, involving making saw cut leaving web holding wall piece to element body and separating it by breaking web |
| 07/26/2000 | EP1022409A1 Safety rail system |
| 07/26/2000 | EP1021630A1 Device for linking reinforced concrete elements |
| 07/26/2000 | CN1261322A Bulk conveying system and method of controlling a bulk conveying system |
| 07/25/2000 | US6092849 Device for lifting prefabricated components, particularly made of concrete, or the like |
| 07/25/2000 | US6092623 Safety anchor system |
| 07/19/2000 | CN2388267Y Pretensioning prestressed reinforcement releasing device |
| 07/19/2000 | CN2388266Y 砂浆供应装置 Mortar supply unit |
| 07/19/2000 | CN2388265Y External wall automatic cleaning machine |
| 07/18/2000 | US6089809 Apparatus for lifting walls to a vertical position |
| 07/18/2000 | US6089493 Wire wrapping machine |
| 07/13/2000 | DE19900348A1 Compact controller for electric motor poker vibrator has current conversion performed in housing contg. control elements and connections and fitted with cooling surfaces |
| 07/12/2000 | CN2387194Y 气动混凝土振动器 Pneumatic concrete vibrator |
| 07/12/2000 | CN1259612A Saw tooth shaped trowel |
| 07/11/2000 | US6086350 Variable wall concrete molding machine |
| 07/11/2000 | US6086349 Variable wall concrete molding machine |
| 07/11/2000 | US6085478 Impalement prevention safety system |
| 07/11/2000 | US6085432 Positioning device |
| 07/06/2000 | DE19849507C1 Device for passing fixture of rafter heads in area of ridge purlin has two pressure plates pivotably located in U-shaped housing which locate on upper side of two opposing rafters independently of roof inclination angle |
| 07/05/2000 | CN2386117Y Standard apparatus for building wall |
| 07/05/2000 | CN2386116Y Reinforced concrete sleeper prestressed wedge block stretch-draw device |
| 07/04/2000 | US6084327 Internal vibrator supplied with current from a transformer |
| 07/04/2000 | US6082700 Anchor positioning insert |
| 07/04/2000 | US6082058 Lifting method of building construction from top to bottom |
| 06/29/2000 | WO2000037747A1 Device for installing light-weight panel units, installing device and attaching device |
| 06/29/2000 | WO2000036898A2 Flow transformer nozzle for breaking up a dense concrete mixture flow |
| 06/29/2000 | DE19858546A1 Wall block receiving and displacing carrying device, with lengthwise carrying rod extending from head part to hole in load |
| 06/29/2000 | DE19854579A1 Covering material for building surfaces has a smooth embossed surface to trap any dirt in the surface water with paired side ribs at the edges to give a controlled outflow of water on the material surface |
| 06/28/2000 | CN1258333A Partly retractable construction platform |
| 06/22/2000 | WO2000036249A1 Method and device for clenching reinforcement bars |
| 06/22/2000 | WO2000036248A1 Anchor positioning insert |
| 06/22/2000 | WO2000036244A1 Composite sheet flanges for fall-arresting devices |
| 06/22/2000 | WO2000036224A1 Structure for embedding embedded-type light |
| 06/22/2000 | WO2000009381A8 Improvements to a carriage for a construction panel |
| 06/21/2000 | DE19959591A1 Compound flange for safety barriers on flat roof boundaries comprises a metal section with a cylindrical opening for a safety barrier bar, and an adjoining sheet metal section with a thermoplastic and/or elastomer cover layer |
| 06/21/2000 | CA2292155A1 A roofer's safety brace |
| 06/20/2000 | US6076710 Concrete placement apparatus |
| 06/20/2000 | US6076633 Personnel safety device |
| 06/17/2000 | CA2257159A1 Flexible framing template and method of use |
| 06/14/2000 | CN1256344A Construction method for laying main beam and main beam centering adjusting device |
| 06/13/2000 | US6073724 Connector for a personal safety device |
| 06/13/2000 | US6073415 Device and method for protecting from reinforcement bar injury |
| 06/08/2000 | DE19958734A1 Sturzsicherungssystem und Trolley zur Anwendung in einem solchen System Fall protection system and trolley for use in such a system |
| 06/07/2000 | EP1005433A1 Bulk conveying system and method of controlling a bulk conveying system |
| 06/07/2000 | CN2381715Y Aseismatic sealing device for gaps between concrete floors |
| 06/06/2000 | US6070375 Frame for a wall opening and methods of assembly and use |
| 06/06/2000 | US6070371 Large structure enshrouder |
| 06/06/2000 | US6070314 Method and apparatus for the coaxial connection of a coupler and a reinforcement bar |
| 05/31/2000 | EP1004721A1 Concrete placing apparatus |
| 05/31/2000 | EP1004720A1 Reinforcement system and concrete structure |
| 05/31/2000 | EP1004261A2 Squarer for frames |
| 05/31/2000 | DE19853712A1 Anchor piece has adjacent arms and cross-bar forming loop, connector, fastening as sleeve in cavity |
| 05/30/2000 | US6068085 Adjustable safety net methods and apparatus |
| 05/30/2000 | US6068084 Safety rail |
| 05/30/2000 | US6068025 Delivery line for cement |
| 05/25/2000 | WO2000014357A3 Device for externally prestressing building constructions |
| 05/24/2000 | EP1002172A1 Concrete supply arm with articulated sections |
| 05/24/2000 | EP1002159A1 Vibrating device and method for its construction |
| 05/24/2000 | EP1002158A1 Vibrating device for processing a floor layer |