| 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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| 05/08/2001 | US6226955 Method and apparatus for handling building materials and implements |
| 05/08/2001 | US6226945 Safety mesh roof facing system |
| 05/03/2001 | WO2001031468A1 Method and devices for assisting in the control of building operations |
| 05/03/2001 | WO2001031467A1 Method and device for assisting in the control of building operations |
| 05/02/2001 | EP1096081A1 Prefabricated guardrail element |
| 05/01/2001 | US6224036 Concrete reinforcement cable tensioner |
| 04/26/2001 | WO2001029348A1 A strip which can be attached to a window frame or a door frame |
| 04/26/2001 | WO2001029347A1 Rod clip and apparatus |
| 04/26/2001 | DE19950978A1 Weather cover especially for scaffolding erected for facing work has support frame constructed as rectangle with fastening elements installed on ends and flap attached to one of its narrow side frame members |
| 04/26/2001 | DE19941030C1 Laseranordnung für ein mehrstrahliges Laserrichtgerät Laser assembly for a multi-beam laser aiming device |
| 04/25/2001 | EP1094174A1 Protective weathercovering for scaffolds used for facades |
| 04/25/2001 | CN2427569Y One machine driving two head and multiple edges and corners rod type vibrator |
| 04/24/2001 | US6220577 Temporary guard railing |
| 04/24/2001 | US6220292 Crane-mounted concrete pump apparatus |
| 04/24/2001 | US6219976 Multi-purpose, positioning-fastening strap |
| 04/19/2001 | DE19949120A1 Sound and dust-protective curtain especially for mobile work areas comprises two or more layers of foil interconnected in parts to form several filling chambers to be filled with suitable medium |
| 04/19/2001 | DE19943979A1 Sleeved anchor bar for concrete transport and lift uses grooves on bar so initially smooth sleeve engages grooves to complete firm dependable join by now-threaded sleeve. |
| 04/18/2001 | EP1092822A1 Protective lining for building surfaces |
| 04/18/2001 | CN2426870Y Lifting and distributing two-purpose tower crane |
| 04/18/2001 | CN1291675A Installation method of condenser |
| 04/18/2001 | CN1291674A Equistrength link technique and equipment of ribbed reinforcing bars by removing ribs and rolling threads |
| 04/17/2001 | US6217015 Glass block installation tool |
| 04/17/2001 | US6216766 Fluid-tight coupling device for a feeder pipe |
| 04/17/2001 | US6216403 Method, member, and tendon for constructing an anchoring device |
| 04/17/2001 | US6216396 Entryway protector |
| 04/12/2001 | WO2001025542A1 Tool for spreading pasty concrete in construction works |
| 04/11/2001 | EP1090195A1 Travelling concrete pump |
| 04/11/2001 | EP1089858A1 Method and device for magnetic alignment of fibres |
| 04/11/2001 | CN1064319C Article binding method and apparatus |
| 04/10/2001 | US6212782 Building line layout device |
| 04/05/2001 | WO2001023688A1 Outer-wall protection system |
| 04/05/2001 | DE19939012A1 Device to apply mortar to top side of wall has support face in front of mortar delivery opening and extending over opening's transverse width, and is offset below opening and supports device on wall top side |
| 04/05/2001 | DE10038249A1 Site transport stirrup for double-walls comprises specifically dimensioned stirrup end radius and leg diameter and intervals plus leg bend angle and leg-connecting pressure bolt diameter. |
| 04/04/2001 | EP0981506B1 Self-levelling concrete and method for making a structural part |
| 04/04/2001 | CN2425968Y 砌墙机 Drywall machine |
| 04/04/2001 | CN1289880A Aligning apparatus for connection of long components |
| 04/03/2001 | US6209615 Partition mount |
| 04/03/2001 | US6209274 Vent flow apparatus and method |
| 03/28/2001 | EP0771385B1 An accessory for mounting building frames such as window frames in mounting openings |
| 03/28/2001 | CN2425132Y Quick-assembling attached vibrator |
| 03/27/2001 | US6206249 Fluent material container and dispenser |
| 03/27/2001 | US6206137 Connector for a personal safety device |
| 03/22/2001 | WO2001020103A1 Ferrule holding device |
| 03/22/2001 | DE19944801A1 Shrouding for working platforms at steel lattice masts etc is an assembly of vertical tarpaulins attached to the platform to move up and down and be adjusted readily for changing weather conditions |
| 03/22/2001 | DE19940931A1 Brick wall uses bricks with vertical perforations where each line is covered by mortar from a laying slide to be beaten into a reduced thickness by the overlaid brick line for a firm bonding action |
| 03/22/2001 | DE10034534A1 Historic structure renovation and preservation drills channels into structure to take end anchorages joined by tie rods to form compensating joint permitting pre-tension to be applied |
| 03/22/2001 | DE10011293A1 Mortar laying system uses a hopper on a trolley with a runner under the hopper near the outlet and at a gap from the rollers to give a reliable and rapidly laid mortar layer on the line of bricks |
| 03/21/2001 | CN2424252Y Steel grab regulating mechnism for spot-connection glass curtain wall |
| 03/21/2001 | CN1288090A Tech. for building dam by rolling concrete into seam between layers |
| 03/20/2001 | US6202313 Pencil-type plumb-bob device |
| 03/14/2001 | EP1083273A2 Accident-prevention device for buildings, particularly for assembling prefabricated components made of concrete or the like |
| 03/13/2001 | US6202013 Articulated boom monitoring system |
| 03/13/2001 | US6199333 Rebar protection strip |
| 03/08/2001 | DE19950675C1 Transport anchor embedded in steel-reinforced concrete component has projecting part of anchor shaft provided with grip head enclosed by removable deflection element during casting of concrete component |
| 03/08/2001 | DE19935809A1 Prefabricated railing element for attachment onto supporting structure has fixed ladder which can be telescopic |
| 03/07/2001 | EP1081460A2 Laser assembly for a multi-beam laser aiming device |
| 03/07/2001 | EP1080283A1 Aid for reinforced concrete construction |
| 03/07/2001 | EP1080280A1 Tensioning device |
| 03/07/2001 | CN2422389Y Angle plate type masonry spacing device |
| 03/01/2001 | DE19939888A1 Building wall; is made of prefabricated masonry blocks of bricks connected using thin mortar bed, where height of block is half standard storey height and length is standard transport pallet length |
| 02/28/2001 | EP1079044A2 Structural support |
| 02/22/2001 | WO2001012921A1 Device for applying a mortar filling |
| 02/21/2001 | EP1077299A1 Transport-anchor for prefabricated wall elements |
| 02/21/2001 | EP1076596A1 Material feed container, especially for thick matter pumps |
| 02/21/2001 | CN2420376Y Micro sound strongh vibration concrete vibrating spear |
| 02/15/2001 | WO2001011164A1 System for laying masonry blocks |
| 02/15/2001 | DE19938006A1 Auftragvorrichtung für ein Mörtelband A device for applying a strip of mortar |
| 02/15/2001 | CA2381274A1 System for laying masonry blocks |
| 02/14/2001 | CN1062048C Method for making building mortar using waste ammonia-soda dregs |
| 02/13/2001 | US6186274 Safety system |
| 02/07/2001 | EP1073814A1 Protective device in the form of a barrier |
| 02/07/2001 | EP1073528A1 Applicator device, especially for mortar |
| 02/07/2001 | CN2418189Y Three-side press-holder |
| 02/07/2001 | CN2418188Y Pivot-changeable spring electromagnetic vibrator |
| 02/06/2001 | US6183160 Screeding apparatus and method incorporating oscillating attachment |
| 02/06/2001 | US6182790 Adjustable safety net methods and apparatus |
| 02/01/2001 | DE19932332A1 Threshold body has top, inner and outer sides, and plastic detachable cover |
| 01/31/2001 | EP1072838A1 Arrangement for connecting a hose to a wall with an orifice |
| 01/31/2001 | EP1072736A1 Safety guard |
| 01/30/2001 | US6178651 Reusable batter board support |
| 01/24/2001 | EP1070808A1 Binding machine for reinforcing bars |
| 01/24/2001 | CN2416177Y Prestressing concrete double-T Plate self stressing die |
| 01/24/2001 | CN1061121C Method for construction of transverse tension prestress concrete beam |
| 01/23/2001 | US6176051 Splice chuck for use in a post-tension anchor system |
| 01/18/2001 | DE19933057A1 Adhesive or thin-bed mortar layer application process for blocks, involving transporting blocks, applying layer to underside and positioning on wall plaque |
| 01/17/2001 | EP1069260A2 Concrete finishing trowel with improved rotor assembly drive system |
| 01/17/2001 | EP1069259A2 Concrete finishing trowel having an electronically actuated steering assembly |
| 01/17/2001 | CN2414893Y Distributing sarriage for making pusher reciprocally move to feed |
| 01/16/2001 | USRE37018 Flap for cement truck back |
| 01/16/2001 | US6173809 Safety stanchions |
| 01/16/2001 | US6173503 Adjustable gauge device for use in installing railing spindles |
| 01/13/2001 | CA2312080A1 Concrete finishing trowel with improved rotor assembly drive system |
| 01/11/2001 | WO2001002689A1 Climbing aid for inclined roof surfaces |
| 01/11/2001 | WO2001002674A1 Work scaffolding for constructing round reinforced concrete towers |
| 01/11/2001 | DE19928026A1 Device for manufacturing concrete container; has vibration device that can be moved around top of shell for container wall to be inserted into concrete poured into shell, to compress it |
| 01/11/2001 | DE19927393A1 Fall-prevention device for persons constructing roof in hall building; has balcony screwed to upper end of hall side wall with vertical pipe fixed to pipe holder and parallel rods at side wall |
| 01/11/2001 | DE19907274A1 Method and device for determining accidental points and points of reference for building brickwork uses a base plate aligned flush with a wall corner to be built, two adjusting openings and threaded rods or anchoring screws. |
| 01/10/2001 | EP1067254A1 Casing for reinforcement connection box and reinforcement connection box with such casing |
| 01/09/2001 | US6170221 Block and brick wall construction system |
| 01/02/2001 | US6167986 Fall protection device for construction sites |