| 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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| 09/04/2013 | CN203175049U Protective device and concrete pump truck comprising protective device |
| 09/04/2013 | CN203175048U Concrete pump truck and fixing bracket thereof |
| 09/04/2013 | CN203175047U Concrete pump truck and pipe clamp bracket used for arm frame thereof |
| 09/04/2013 | CN203175046U Traction connection towing hook device of trailer concrete pump |
| 09/04/2013 | CN203175045U Sprinkling washing device for construction sites |
| 09/04/2013 | CN203175044U Medium filling type balance weight |
| 09/04/2013 | CN203174812U Combination shear wall |
| 09/04/2013 | CN203174764U Joint steel oblique beam assembly for large-diameter silo roof |
| 09/04/2013 | CN203171833U Concrete mixing and pumping machine |
| 09/04/2013 | CN103277117A Control method and control system for adding additives to concrete spraying mechanical arm |
| 09/04/2013 | CN103276916A Constructing method and infill board for solidly sealed lightweight concrete board wall hole |
| 09/04/2013 | CN103276915A Safety protection shed cover with rain cover |
| 09/04/2013 | CN103276914A Safety protective shed cover containing steel tubes |
| 09/04/2013 | CN103276913A Safety protection shed cover with high supporting strength |
| 09/04/2013 | CN103276912A Easy assembly and disassembly ground security protection shed cover |
| 09/04/2013 | CN103276911A Elevator shaft opening safety protection device |
| 09/04/2013 | CN103276910A Wallboard assembling robot |
| 09/04/2013 | CN103276909A Arc-shaped grid structure assembly method and grid structure assembly jig frame used by same |
| 09/04/2013 | CN103276908A Construction method for assembling steel truss barrel-shell-structured dry coal shed |
| 09/04/2013 | CN103276907A Hoisting method for large-span hinged type herringbone steel arch |
| 09/04/2013 | CN103276906A Steel bar connection method and matched fastener thereof |
| 09/04/2013 | CN103276905A Open-close type steel strand limiting device |
| 09/04/2013 | CN103276904A Portable stirring and pouring device for cement foaming materials of sandwiched wall |
| 09/04/2013 | CN103276903A Control method and device for avoiding motor failure when pump truck starts to pump |
| 09/04/2013 | CN103276902A Inorganic vitrified microbead thermal insulation mortar smearing process |
| 09/04/2013 | CN103276901A High-accuracy construction method for embedded pipes in cast-in-place concrete high and large-section reaction wall |
| 09/04/2013 | CN103276900A Method for preparing safety protection railing for building construction |
| 09/04/2013 | CN103276899A Construction method of steel bars surrounding steel column base |
| 09/04/2013 | CN103276895A Reversed-cone-shaped column cap die and die supporting method thereof |
| 09/04/2013 | CN103276894A Support system of large-cross-section girder transfer floor of hollow floor system and construction technology |
| 09/04/2013 | CN103276893A Novel composite structure for supporting rigid building template and construction method |
| 09/04/2013 | CN103276879A Skirting line assembly and installation method thereof |
| 09/04/2013 | CN103276853A Prestressed concrete member rebar connecting buckle and connecting method |
| 09/04/2013 | CN103276837A Method for on-site wall pouring without form removal |
| 09/04/2013 | CN103276819A Inorganic glass bead thermal insulation mortar outer wall energy-saving thermal insulation construction method |
| 09/04/2013 | CN103276818A Construction technology of inorganic glass bead heat preservation outer wall |
| 09/04/2013 | CN102504838B Method for supporting arch tire for building overhead brick in inclined duct of dry quenching furnace |
| 09/04/2013 | CN102251604B Steel-mesh separation wall |
| 09/03/2013 | US8522507 Concrete platform production process, concrete platform, and connecting member |
| 09/03/2013 | US8522506 System for the placement of modular fill material forming co-joined assemblies |
| 09/03/2013 | US8522505 Connector for boardwalk system |
| 09/01/2013 | CA2807871A1 Worker safety device and method |
| 09/01/2013 | CA2770294A1 Worker safety device and method |
| 08/29/2013 | WO2013125945A1 Installing a safety line on a pitched roof |
| 08/29/2013 | US20130223964 Tower-based platform system for lifting components atop a wind turbine tower |
| 08/29/2013 | US20130223958 Material handling apparatus |
| 08/29/2013 | US20130219812 Solar panel roof-ridge mounting systems and methods |
| 08/29/2013 | US20130219808 Building block, system and method |
| 08/29/2013 | US20130219730 Mason's speed square |
| 08/29/2013 | DE102012003717A1 Installation aid spacer for assembly tool for installing door frames, comprises variable frame adjustable to predetermined clear dimensions, and foldable frame applied as spacer by displacing hinge points and length changes of frame pieces |
| 08/28/2013 | EP2631391A2 Guide rail supports with a rotating lock stop |
| 08/28/2013 | EP2631382A2 Step and work platform |
| 08/28/2013 | EP2629948A1 Mobile production system for cement panel |
| 08/28/2013 | CN203163501U Jolt-ramming tool for refractory material layer of medium frequency furnace pipe |
| 08/28/2013 | CN203162351U Pipe clamp and concrete conveying device provided with same |
| 08/28/2013 | CN203161809U Composite pin shaft and concrete pump truck |
| 08/28/2013 | CN203161248U Wet concrete spraying unit |
| 08/28/2013 | CN203160728U Movable type retractable guardrail |
| 08/28/2013 | CN203160727U Anti-falling safe guard board |
| 08/28/2013 | CN203160726U Tool type edge protection structure |
| 08/28/2013 | CN203160725U Shaped type protective barrier |
| 08/28/2013 | CN203160724U Construction barrier for four openings and five borders |
| 08/28/2013 | CN203160723U Blocking structure of reserved hole |
| 08/28/2013 | CN203160722U Construction wall building constructing device |
| 08/28/2013 | CN203160721U Building brick knife |
| 08/28/2013 | CN203160720U Building brick knife |
| 08/28/2013 | CN203160719U Steel structure building wall purlin straightening structure |
| 08/28/2013 | CN203160718U Tape measure box type building wall building draft line |
| 08/28/2013 | CN203160717U Bricked chimney paying-off positioning device |
| 08/28/2013 | CN203160716U Building brick clamp |
| 08/28/2013 | CN203160715U Lifting hooker for construction |
| 08/28/2013 | CN203160714U Brickwork automatic spraying device |
| 08/28/2013 | CN203160713U Plate distribution machine for constructing prefabricated plate connection combination device |
| 08/28/2013 | CN203160712U Multifunctional brick axe |
| 08/28/2013 | CN203160711U Building knife |
| 08/28/2013 | CN203160710U Steel bar embodiment glue filling machine |
| 08/28/2013 | CN203160709U Machining die for mesh reinforcements |
| 08/28/2013 | CN203160708U Cast-in-place one-time molding concrete flooring precise leveling device |
| 08/28/2013 | CN203160707U Adjustable t-shaped controller |
| 08/28/2013 | CN203160706U Vibrating tamper safe insertion overload protection device |
| 08/28/2013 | CN203160705U Loading device of jetting unit |
| 08/28/2013 | CN203160704U Hopper for pouring concrete |
| 08/28/2013 | CN203160703U Novel concrete pump truck and tail arm jib lubing mechanism thereof |
| 08/28/2013 | CN203160702U Limit system preventing arm rest of concrete pump truck from extruding top of cab |
| 08/28/2013 | CN203160701U Rotation mechanism and engineering machine |
| 08/28/2013 | CN203160700U Concrete lifting dust hopper |
| 08/28/2013 | CN203160699U Fixing device for main pump of concrete pump truck |
| 08/28/2013 | CN203160698U All-in-one vehicle for pitch spreading and linoleum covering |
| 08/28/2013 | CN203160697U Lifting hopper for construction |
| 08/28/2013 | CN203160696U Hanging box for constructional engineering construction |
| 08/28/2013 | CN203160659U Assembled cantilever discharging platform for building |
| 08/28/2013 | CN203159077U Multifunctional material delivering, distributing and hoisting apparatus |
| 08/28/2013 | CN103266798A Connecting structure of circular coal bunker coal retaining wall and coal piling area raft foundation and construction method thereof |
| 08/28/2013 | CN103266780A Combined scaffold system and construction method for assembling tree-shaped steel column |
| 08/28/2013 | CN103266779A Lifting slippage construction device for crossing horizontal obstacle and method thereof |
| 08/28/2013 | CN103266778A Detachable triangular scaffold and steel truss assembly construction method |
| 08/28/2013 | CN103266777A Large-span prestress double-arch frame hoisting process |
| 08/28/2013 | CN103266776A Tool for connecting rebar squeezing type straight thread sleeve |
| 08/28/2013 | CN103266775A Guide rail type steel strand limit tool |
| 08/28/2013 | CN103266774A Prestress tensioning device and use method of fiber cloth |