| 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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| 06/29/2011 | CN201883691U Tractor for reeving steel strands |
| 06/29/2011 | CN201883690U Cement mortar paver |
| 06/29/2011 | CN201883689U Novel pump truck switching valve shaft sleeve |
| 06/29/2011 | CN201883688U Construction seam cleaning tool |
| 06/29/2011 | CN201883668U Crown plate drilling device |
| 06/29/2011 | CN201883535U Embedded assembled tool |
| 06/29/2011 | CN201883436U Tandem barrel device with vibrating rod |
| 06/29/2011 | CN201883382U Prestressed structured steel stranded wire penetrating adapter connector |
| 06/29/2011 | CN201883381U Steel stranded wire automatic penetrating machine |
| 06/29/2011 | CN201882850U Tensioning hydraulic jack with prestressed tendon |
| 06/29/2011 | CN201881357U Mounting support of rebar planting impact drill |
| 06/29/2011 | CN102108790A Concrete pumping equipment and arm support state control system thereof |
| 06/29/2011 | CN102108789A 工程机械 Construction Machinery |
| 06/29/2011 | CN102108788A Method for constructing hanging in the air large-span support |
| 06/29/2011 | CN102108787A Construction method of ultra-high strength steel fiber concrete |
| 06/29/2011 | CN102108786A Overall lifting construction method of ultra-large type building member and device thereof |
| 06/29/2011 | CN102108783A Operation platform in control tower overhanging structure and construction method thereof |
| 06/29/2011 | CN102108748A Quadrilateral endless rope chord supporting structure and construction process |
| 06/29/2011 | CN101899904B Method for two-way hoisting construction of converter tower steel structure |
| 06/29/2011 | CN101858150B Installation method of combined joint with steel structure |
| 06/29/2011 | CN101851965B Reinforced concrete sway wall, sway wall assembly and production method thereof |
| 06/29/2011 | CN101824918B Construction method for dividing unit to prefabricate bearing bent frame |
| 06/29/2011 | CN101806112B Preparation method of cast-in-situ concrete hollow slab |
| 06/29/2011 | CN101781931B Construction method of large-volume concrete bearing platform with one-time pouring in winter |
| 06/29/2011 | CN101713237B Construction method of large-volume original decorative large pier stud fair-faced concrete |
| 06/29/2011 | CN101604153B Engineering vehicle arm rest controller, control system, engineering vehicle and control method |
| 06/29/2011 | CN101492966B Construction method of super large steel structure cantalever |
| 06/28/2011 | CA2725300A1 Unitary fascia and gutter |
| 06/23/2011 | WO2011073064A1 Telescopic structural support |
| 06/23/2011 | WO2011073026A1 A tool and a method for mounting facade elements on a building |
| 06/23/2011 | WO2011072328A1 A loading platform |
| 06/23/2011 | US20110147329 Load transportation system |
| 06/23/2011 | CA2783676A1 Telescopic structural support |
| 06/22/2011 | EP2336454A2 Operating method of reinforcing bar binding machine |
| 06/22/2011 | EP2334880A1 Masonry with steel reinforcement strip having spacers |
| 06/22/2011 | DE19613437B4 Verwendung einer Schutzvorrichtung zum Verhindern des Herabfallens von Personen von einem Gebäude-Flachdach Use of a protective device for preventing the falling down of persons from a building flat roof |
| 06/22/2011 | CN201874303U Instrumental protective barrier for cave entrance construction |
| 06/22/2011 | CN201874249U Protective screen for constructional engineering |
| 06/22/2011 | CN201874248U Nuclear power station construction tool |
| 06/22/2011 | CN201874247U Device for pulling pre-stressed steel strands through corrugated tube |
| 06/22/2011 | CN201874246U Prestressed tendon tensioning device |
| 06/22/2011 | CN201874245U Portable electric driver for vibrating rod |
| 06/22/2011 | CN201874244U Device used for transporting and pouring concrete |
| 06/22/2011 | CN201874243U Hinged raft plate shoes |
| 06/22/2011 | CN201874242U Quantitative foam concrete pouring machine |
| 06/22/2011 | CN201874241U Hopper for fine stone pump |
| 06/22/2011 | CN201874240U Device for paving bentonite waterproof blanket |
| 06/22/2011 | CN201873949U Bride prestress stretch-draw trolley |
| 06/22/2011 | CN201873948U Prepressing sand box |
| 06/22/2011 | CN201873947U Automatic control hydraulic tensioning set for posttensioning prestressed concrete bridge |
| 06/22/2011 | CN201871450U Spraying head used for injection machine |
| 06/22/2011 | CN102102675A Pump head of stirring and transfer submerged pump |
| 06/22/2011 | CN102102674A Base of stirring and transfer submerged pump |
| 06/22/2011 | CN102102445A Partitioning lifting construction method for huge weld ball net rack |
| 06/22/2011 | CN102102444A Assembling and positioning construction method of large steel casting members |
| 06/22/2011 | CN102102443A Method for constructing combined steel and concrete column of large metallurgy industrial factory building |
| 06/22/2011 | CN102102442A Construction method for plugging end of prestress pilaster steel strand of concrete silo |
| 06/22/2011 | CN102102399A Insulation board capable of being quickly installed on site for storehouse and construction method thereof |
| 06/22/2011 | CN101824919B Deep hole underwater installation and locating method of steel pipe column in weak watery stratum |
| 06/22/2011 | CN101798873B Cast-in-place floorslab concrete pouring one-step forming device and construction method |
| 06/22/2011 | CN101781934B Construction method for integrally bending and folding cylindrical external eave aluminum-plastic plate curtain wall and cross section thereof |
| 06/22/2011 | CN101748893B Method for manufacturing high-rise building balcony boards |
| 06/22/2011 | CN101736902B Lower concrete pouring process of wallboard cave opening |
| 06/22/2011 | CN101529028B Fixing tool for reinforcing rod |
| 06/16/2011 | WO2011070374A1 Safety device and arrangement including same |
| 06/16/2011 | WO2011069362A1 Position detecting device and method of concrete pump vehicle and concrete pump vehicle |
| 06/16/2011 | US20110138739 Devices And Methods For Flangeless Installations |
| 06/16/2011 | US20110138734 Angle Guide Plate and System for Securing a Rail |
| 06/16/2011 | US20110138724 Apparatus and methods for application of foam and foam/loosefill insulation systems |
| 06/16/2011 | DE19948602B4 Schüttgutpumpenvorrichtung Bulk pump device |
| 06/15/2011 | EP2333201A1 Device for provisional attachment of a safety net on a guardrail upright |
| 06/15/2011 | CN201865673U Pneumatic type material feeding and discharging injection machine |
| 06/15/2011 | CN201865362U Turnover type horizontal protection shed |
| 06/15/2011 | CN201865361U Brick cutter with spring handle |
| 06/15/2011 | CN201865360U Polyurethane laminboard installation device |
| 06/15/2011 | CN201865359U Connecting device of prestress steel box beam steel strand pulling |
| 06/15/2011 | CN201865358U Intelligent synchronous prestress tensioning system |
| 06/15/2011 | CN201865357U Retractable-measurement type reinforcing steel bar binding hook |
| 06/15/2011 | CN201865356U Concrete vibrating spear |
| 06/15/2011 | CN201865355U Sliding structure for mechanical arm of injection machine |
| 06/15/2011 | CN201865354U Novel foaming cement conveyor |
| 06/15/2011 | CN201865353U Grouting device |
| 06/15/2011 | CN201865352U Geo-synthetic clay liner laying device |
| 06/15/2011 | CN201865351U Combined unloading platform |
| 06/15/2011 | CN201865321U Multifunctional movable protecting and isolating operating platform |
| 06/15/2011 | CN201865251U Combined plastic ribbon for binding and insulating reinforcing mesh of slagless track |
| 06/15/2011 | CN201860863U Track type raft shoes |
| 06/15/2011 | CN102094536A Array type waved tooth clamp anchor |
| 06/15/2011 | CN102094535A Protective screen for constructional engineering |
| 06/15/2011 | CN102094534A Method for mounting large-size discharging platform |
| 06/15/2011 | CN102094533A Transverse stacking technology and extrusion die of transverse hole concrete hollow blocks |
| 06/15/2011 | CN102094532A Method for measuring and controlling size of building construction horizontal member |
| 06/15/2011 | CN102094531A Construction machine and fixed rotating tower thereof |
| 06/15/2011 | CN102094530A Arm support type concrete mixing pump truck |
| 06/15/2011 | CN102094529A Tertiary feeding method for mixing water permeable cement concrete on site |
| 06/15/2011 | CN102094528A Method for arranging large-size concrete cooling water pipe |
| 06/15/2011 | CN102094527A Aggregate transport and classification system of boom concrete-mixing pump truck |
| 06/15/2011 | CN102094526A Method for constructing self-heat preserving system structure |
| 06/15/2011 | CN102094525A Method for constructing reinforced concrete lintel |
| 06/15/2011 | CN102094524A Construction method of high-altitude large-span beam-slab template steel support system |