| 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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| 07/01/1987 | EP0227546A2 Devices for stressing tendons before anchoring |
| 06/25/1987 | DE3546036A1 Building machine |
| 06/25/1987 | DE3546032A1 Covering for roofs with a structured roof outer side |
| 06/24/1987 | EP0225893A1 Process and device for constructing wall sections from building blocks. |
| 06/23/1987 | US4674596 Safety rigging system for inflatable roof structures |
| 06/18/1987 | WO1987003638A1 Anchor bolt for concrete elements |
| 06/18/1987 | WO1987003637A1 Carrier-like structural element |
| 06/17/1987 | CN86208807U Brick-laying machine |
| 06/17/1987 | CN86202259U Removable mold frame for laying bricks |
| 06/16/1987 | US4673311 Concrete finishing machine having counterbalanced blade pitch adjustment apparatus |
| 06/10/1987 | CN86107480A Apparatus for storing concrete feeding hose in a rock bolting device |
| 06/09/1987 | US4671554 Hoist coupling |
| 06/09/1987 | US4671483 Concrete-form conduit holder |
| 06/09/1987 | CA1222610A1 Guide jig for lifting an outer wall member of a curtain wall |
| 06/03/1987 | EP0223859A1 Concrete floor finishing machine |
| 06/02/1987 | US4669577 Slab clamp guard rail post |
| 05/27/1987 | EP0223314A2 Device and method for arranging building panels |
| 05/27/1987 | DE3541699A1 Device for accommodating reinforcing steel members for the connection regions of concrete walls |
| 05/27/1987 | DE3422471A1 Plug-in system for safety and shutting-off elements (hoardings and protection walls for roofers) |
| 05/27/1987 | CN86107237A Method and device for feeding concrete into a drill hole in the concrete bolting of a rock |
| 05/20/1987 | EP0222060A2 Device for the treatment of material by ultraviolet rays |
| 05/20/1987 | CN86204522U Five-finger-stall |
| 05/19/1987 | US4666131 For a building floor or roof |
| 05/14/1987 | DE3539362A1 Means for the rain-tight covering of a facade or the like to be renovated |
| 05/12/1987 | US4664741 Apparatus for automatically applying and pressing webs of rubber or similar lining material to and against expanded wall surfaces |
| 05/06/1987 | EP0220709A1 Device for damping vibration on manually-operated vibrators |
| 05/06/1987 | EP0144404B1 Method for connecting two bars which are crossing each other and device for implementing such method |
| 05/06/1987 | CN85203986U Silicon controlled conversion am (power) motorless driving concrete vibrator |
| 04/30/1987 | DE3537754A1 Process for producing a prefabricated residential building, and set of structural elements for carrying out the process |
| 04/29/1987 | EP0220113A1 Prestressing devices for concrete with sinuous stressing cables, and methods for using them |
| 04/23/1987 | WO1987002257A1 Safety apparatus for roofers |
| 04/23/1987 | DE3633352A1 Vibrator |
| 04/22/1987 | CN86106650A Concrete form apparatus |
| 04/21/1987 | US4659033 Apparatus for prestressing concrete structures or the like |
| 04/15/1987 | CN86202022U Assembling tool for buckles of scaffolding |
| 04/14/1987 | US4656753 Post support unit for a building profile |
| 04/09/1987 | DE3535294A1 Device for introduction into a shuttering for a concrete part |
| 04/09/1987 | DE3535098A1 Process and device for spraying principally wet mineral lining and application materials |
| 04/07/1987 | US4655633 Screeding apparatus and method |
| 04/07/1987 | US4655015 Anchor tie for carrying prefabricated concrete members |
| 03/31/1987 | US4653957 Air driven vibration cement float |
| 03/31/1987 | US4653548 Tool for tying crossing elements |
| 03/26/1987 | WO1987001753A1 Process and device for connecting at least two rods |
| 03/26/1987 | DE3533026A1 Means for the rain-tight covering of a facade or the like to be renovated |
| 03/25/1987 | EP0215517A1 Machine for the smoothing of concrete surfaces |
| 03/25/1987 | EP0215180A2 Device for protecting against rain a façade or the like to be restored |
| 03/24/1987 | US4651495 Block leveling and foundation making methods |
| 03/24/1987 | US4651434 Carpenter's template |
| 03/19/1987 | DE3533280A1 Straightedge and surveyor's staff |
| 03/18/1987 | EP0214224A1 A nozzle for the application of jointing materials. |
| 03/17/1987 | US4650366 Concrete |
| 03/17/1987 | CA1219188A1 Tension enclosure system |
| 03/12/1987 | WO1987001410A1 A hydraulic concrete bin |
| 03/12/1987 | WO1987001313A1 Concrete reinforcing tying tool |
| 03/12/1987 | DE3530662A1 Apparatus for lining tunnel tubes or galleries with pumped or air-placed concrete |
| 03/11/1987 | EP0213132A1 A method and machine for levelling concrete when casting large concrete areas. |
| 03/04/1987 | EP0211929A1 A method of building veneer walls |
| 03/04/1987 | EP0142529B1 Self propelled scaffold for buildings |
| 03/03/1987 | CA1218593A1 Cable banding machine |
| 02/25/1987 | EP0211256A2 Anchor for embedding large loads in concrete |
| 02/24/1987 | US4644978 Tension arch structure |
| 02/18/1987 | CN85106266A Fixation of build-in-fitting in steel template by adhesion with damping |
| 02/17/1987 | US4644329 Edge of roof perimeter workman safety light device |
| 02/12/1987 | WO1987000823A1 Hoist coupling |
| 02/12/1987 | DE3527597A1 Floor-edge formwork |
| 02/12/1987 | DE3517299C1 Chute-like filling device for concrete into shutterings |
| 02/11/1987 | CN86105035A Method for laying a residential building |
| 02/10/1987 | US4641995 User-mounted concrete screed |
| 02/10/1987 | US4641991 Connector for reinforcing rods |
| 02/10/1987 | US4641816 Apparatus for stretching, loosening, and fixing a wire member |
| 02/10/1987 | US4641589 Process for the rapid assembly of elements composing a structure |
| 02/03/1987 | US4640068 Anchoring and coupling device for tendons in prestressed concrete |
| 01/28/1987 | EP0210092A1 Moving device working in a stepwise manner |
| 01/27/1987 | US4638945 Nozzle for the gunning of monolithic refractories |
| 01/27/1987 | CA1217021A1 Construction element for thermal insulation in buildings |
| 01/22/1987 | DE3624526A1 Subassemblies (telescopic insertion lock with twist head) and suitable components for forming a twist tacker |
| 01/22/1987 | DE3526088A1 Protective platform for chimneys |
| 01/15/1987 | WO1987000221A1 Concrete finishing machine having counterbalanced blade pitch adjustment apparatus |
| 01/15/1987 | WO1987000163A1 Process for producing mortar and method for applying the same |
| 01/15/1987 | DE3524821A1 Device for fastening intersecting elongate articles to one another, in particular for connecting the bars of iron bar networks |
| 01/15/1987 | DE3524603A1 Device for laying large-format artificial bricks, preferably in an air-conditionable building |
| 01/13/1987 | US4636083 Arrangement in containers intended to hold pumpable substances and provided with a pump herefor |
| 01/08/1987 | DE3523780A1 Safeguard for window openings during assembly work |
| 01/06/1987 | US4634347 Arrangement in plant equipment for supplying a binding agent directly to a building element |
| 01/06/1987 | US4634164 Hoisting assembly with quick-release hoisting shackle |
| 01/06/1987 | US4633974 Inflatable roof safety rigging system |
| 01/06/1987 | US4633641 Method for mounting skeletons of superstructures and jig for implementing such method |
| 12/31/1986 | WO1986007618A1 An automatic apparatus for strapping elongated superposed bodies |
| 12/31/1986 | WO1986007583A1 Drive apparatus working by successive take-ups |
| 12/31/1986 | CN86100892A Method of preparing and handling cement-containing composition |
| 12/30/1986 | US4632226 Anti-falling device with rapid introduction and withdrawal of the cord in any position of this latter |
| 12/30/1986 | US4631833 Guide bracket for brick laying |
| 12/30/1986 | US4631772 Tension arch structure |
| 12/30/1986 | EP0207008A2 Protective awning for scaffolding and tubular structures |
| 12/30/1986 | EP0206224A2 Device for the pneumatic application of a hardenable building material hydromechanically transported in a highly viscous flow, particularly of a hydraulically injected concrete or mortar |
| 12/18/1986 | WO1986007403A1 Process and device for constructing wall sections from building blocks |
| 12/17/1986 | EP0205370A1 Device for anchoring the extremity of at least a cable or bar under tension, particularly for prestressed concrete constructions |
| 12/17/1986 | CN85205691U Labour-saving brick clip |
| 12/16/1986 | US4628647 Method for mounting a roof, floor or similar structure and a structure adapted to be mounted according to the method |
| 12/09/1986 | US4627198 Hoisting anchor assembly for use in cast concrete panels and method |