| 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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| 01/30/2013 | CN202706578U Insulating type pre-stressed anchoring tool for concrete pre-stressed tension |
| 01/30/2013 | CN202706577U Hidden tensioning assembly between two connecting steel columns and between two steel beams |
| 01/30/2013 | CN202706576U Strand pulling machine facilitating fixing steel strands |
| 01/30/2013 | CN202706575U High-frequency concrete vibrator |
| 01/30/2013 | CN202706574U Denoising and vibrating rod device for pouring reinforced concrete |
| 01/30/2013 | CN202706573U Hopper and screening frame of thereof and concrete pumping device |
| 01/30/2013 | CN202706572U 混凝土料斗 Concrete hopper |
| 01/30/2013 | CN202706571U Straight walking concrete spreader |
| 01/30/2013 | CN202706570U Reinforcing sleeve, combined shaft, arm support and engineering machine |
| 01/30/2013 | CN202706569U Pull rope driven cantilever system and concrete pump truck |
| 01/30/2013 | CN202706568U Arm section, cantilever device and engineering machinery |
| 01/30/2013 | CN202706567U Concrete pump truck with pumping height monitoring system |
| 01/30/2013 | CN202706566U Positioning steel rib for controlling thickness of floor board |
| 01/30/2013 | CN202706565U Concrete pipeline conveying device |
| 01/30/2013 | CN202706564U Continuous double horizontal shaft forced stirring and conveying pump |
| 01/30/2013 | CN202706563U Universal concrete truck |
| 01/30/2013 | CN202706562U Rope scattering machine |
| 01/30/2013 | CN202706561U Electric pay-off device |
| 01/30/2013 | CN202706560U Ash-removing maintaining machine for building device |
| 01/30/2013 | CN202706559U Combined detachable steel bar operation shed |
| 01/30/2013 | CN202705970U Building lime-sand mortar garbage cleaning machine |
| 01/30/2013 | CN102900252A Quick building type integrated assembly communication base station and assembly method thereof |
| 01/30/2013 | CN102900238A Reusable anti-climbing device at bottom layer of tower crane on building construction site |
| 01/30/2013 | CN102900237A Rechargeable motor internally-inserted concrete vibrator and running control method thereof |
| 01/30/2013 | CN102900236A Low-noise concrete vibrating rod |
| 01/30/2013 | CN102900235A Material distribution arm support, method for manufacturing material distribution arm support, and pumping equipment |
| 01/30/2013 | CN102900234A Drainage device of water tank, water tank having drainage device and pumping equipment |
| 01/30/2013 | CN102900233A Dual face raw slurry clean water concrete construction method |
| 01/30/2013 | CN102900232A Light steel structure aerated concrete on-site pouring construction process and special device thereof |
| 01/30/2013 | CN102900195A Inner wallboard and its manufacturing method |
| 01/30/2013 | CN102900191A Lap joint bar type prestressed two-way laminated plate and construction method |
| 01/30/2013 | CN102900190A Reinforced concrete hollow floor slab and construction method thereof |
| 01/30/2013 | CN102900169A Concrete-filled steel tube combined shear wall and construction process thereof |
| 01/30/2013 | CN102900168A Splitting and assembling structure and assembling connecting method of assembled type concrete frame-shear wall |
| 01/30/2013 | CN102900166A Buckling restrained brace, as well as joint connecting plate and mounting method thereof |
| 01/30/2013 | CN102900157A Cast-in-situ heat-preservation shear wall, column and beam and construction method |
| 01/30/2013 | CN102900024A Overturning die plate for large-scale concrete structure and using method for overturning die plate |
| 01/30/2013 | CN102900009A Split type concrete vibration disk |
| 01/30/2013 | CN102268922B Method for constructing curved roof of integral semi-anechoic room of automobile noise laboratory |
| 01/30/2013 | CN102182302B Building construction all-steel mold plate and manufacturing and assembling method thereof |
| 01/29/2013 | US8359810 Method for building over an opening via incremental launching |
| 01/29/2013 | CA2514756C Masonry guiding tool |
| 01/25/2013 | DE202012005194U1 Schnell aufzubauende Staubschutzwand Quick to be established dust wall |
| 01/24/2013 | WO2013012984A2 System and process for delivering building materials |
| 01/24/2013 | WO2013010481A1 Light-weight steel structure for connecting truss composite beam to upper and lower layers and construction method therefor |
| 01/24/2013 | WO2013010342A1 Ground rail moving apparatus |
| 01/24/2013 | US20130019563 Safe room ii |
| 01/24/2013 | US20130019542 Safe room ii |
| 01/24/2013 | DE102011108100A1 Outer agitator for mixing concrete, has unbalanced masses which are moved in opposite directions with same speed, and pivot axes are separated in parallel and are perpendicular to torque axes of torque output to form preset angle |
| 01/23/2013 | CN202691413U Buffer device of 90-degree elbow pipe of concrete delivery pipe |
| 01/23/2013 | CN202691377U Conveying pipe and pumping machinery with same |
| 01/23/2013 | CN202691095U Dual shutoff valve |
| 01/23/2013 | CN202691067U Liquid discharge device and concrete pump water tank |
| 01/23/2013 | CN202691037U Elastic sealing pad, boom and concrete pump truck |
| 01/23/2013 | CN202690350U Double dynamical pumping system and car-mounted pumping equipment |
| 01/23/2013 | CN202689589U Externally rotary type tensioning and anchoring integrated machine tool |
| 01/23/2013 | CN202689588U Safety rope cantilever support |
| 01/23/2013 | CN202689587U Steel-structured safety device for overhead working |
| 01/23/2013 | CN202689586U Protective guard for elevator shaft |
| 01/23/2013 | CN202689585U Ground fitting up assembly mould of large steel truss |
| 01/23/2013 | CN202689584U Steel platform for precisely positioning H-shaped steel column in underground structure |
| 01/23/2013 | CN202689583U Sliding frame structure in large area multi-pillar-point bearing reticulated shell construction |
| 01/23/2013 | CN202689582U Novel U-shaped bracket of elevation beam joint |
| 01/23/2013 | CN202689581U Steel strand guide frame used in flexible elevation |
| 01/23/2013 | CN202689580U Simple safe lifting lug for lifting large steel column |
| 01/23/2013 | CN202689579U Iron clamp for concrete roof truss turning over and erecting |
| 01/23/2013 | CN202689578U Door and window installation device |
| 01/23/2013 | CN202689577U Clamp for steel beam of simple steel structure factory building |
| 01/23/2013 | CN202689576U Bracket for pseudo-classic architecture large roof large span steel truss hoisting |
| 01/23/2013 | CN202689575U High-altitude mounting tool for steel lining dome in nuclear power station |
| 01/23/2013 | CN202689574U Shear wall main reinforcing bar fixing device |
| 01/23/2013 | CN202689573U Novel concrete push plate |
| 01/23/2013 | CN202689572U Motor built-in concrete vibrating rod |
| 01/23/2013 | CN202689571U Concrete spreader with variable frequency speed regulation control |
| 01/23/2013 | CN202689570U Concrete distributing device and concrete pump truck |
| 01/23/2013 | CN202689569U Concrete pouring hopper |
| 01/23/2013 | CN202689568U Hopper and concrete pump comprising hopper |
| 01/23/2013 | CN202689567U Pump pipe handrail for concrete pouring |
| 01/23/2013 | CN202689566U Obstacle avoidance system for cantilever crane and engineering mechanical device comprising the same |
| 01/23/2013 | CN202689565U Water tank sealing device and construction machinery |
| 01/23/2013 | CN202689564U Hydration heat temperature control device for mass concrete construction |
| 01/23/2013 | CN202689563U Intelligent cement and concrete spraying and maintaining measurement and control system |
| 01/23/2013 | CN202689562U Large-volume concrete water circulation cooling structure |
| 01/23/2013 | CN202689561U Combined type dumping device |
| 01/23/2013 | CN202689187U Special fixture used in installation of pull-down safety net |
| 01/23/2013 | CN202689181U Self-support slippage lifting truss structure |
| 01/23/2013 | CN202689007U Lift type protective railing |
| 01/23/2013 | CN102892556A Grout removal tool |
| 01/23/2013 | CN102892466A 真空锚定器系统 Vacuum anchor system |
| 01/23/2013 | CN102889001A Device for adjusting butt joint dislocation of chord member of pipe truss structure |
| 01/23/2013 | CN102889000A Device and method for vertically transporting super-long flexible roof plates |
| 01/23/2013 | CN102888999A Construction method for flexible connection sound isolation wall |
| 01/23/2013 | CN102888998A Method and structure for lifting supporting steel column |
| 01/23/2013 | CN102888997A Device for inhaul cable tensioning construction in prestressed steel structure |
| 01/23/2013 | CN102888996A Prestressed construction system based on internet of things |
| 01/23/2013 | CN102888995A Holder of concrete vibrating bar |
| 01/23/2013 | CN102888994A Mute concrete vibrating bar |
| 01/23/2013 | CN102888993A Rotating chute |
| 01/23/2013 | CN102888992A Gridwork girder construction method |
| 01/23/2013 | CN102888991A Large-scale profile steel beam and concrete combined house roof constructing method |