Patents
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)
12/1986
12/04/1986WO1986007109A1 Concrete floor finishing machine
12/02/1986US4625760 Mobile concrete handling apparatus
12/02/1986US4625415 Stud spacer
11/1986
11/25/1986US4624357 Vehicle-mounted extensible conveyor
11/25/1986US4624089 Tie anchor for reinforced sandwich panels
11/18/1986US4623504 Protective coatings on wires for corrosion resistance
11/12/1986EP0201418A1 Anchoring device for tensioned cables
11/12/1986EP0200725A1 A device for planation of a fresh concrete surface.
11/11/1986US4621433 Verticality detecting apparatus for plumbing columns
11/05/1986EP0200357A2 Non-linear electromagnetic vibration device
10/1986
10/22/1986CN85103665A Prefabricated part of a building air conditioned with a wall air condioning system
10/15/1986EP0197912A2 Anchoring device for stressing members
10/15/1986CN85102647A Device for mfg. the straight concrete structural elements having a high working load
10/09/1986WO1986005830A1 Device in concrete structures
10/07/1986US4615554 Screw-in fastener for a tubular anchor embedded in a concrete element
09/1986
09/30/1986US4614486 Portable apparatus for compacting and leveling a poured floor
09/30/1986US4614070 Support shoe
09/30/1986CA1212068A1 Bricking ring
09/24/1986EP0195771A2 Device for applying cements, e.g. mortar, to aligned building elements
09/24/1986CN86100147A Intermediate anchor arrangement for prestressing structural components produced in saveral phases of construction and a method of producing such an intermediate anchor arrangement
09/10/1986EP0124532B1 A floor laying arrangement
09/10/1986CN86100709A Dikinetical vibrator
09/03/1986EP0193494A1 Joining and stress-spreading element for concrete building parts
09/03/1986EP0193120A1 Device for the distribution of concrete in a plurality of filler necks
08/1986
08/28/1986WO1986004949A1 A method of building veneer walls
08/28/1986WO1986004948A1 A nozzle for the application of jointing materials
08/27/1986EP0191886A2 Device for masoning large sized wall cast stones of a conditionable building
08/27/1986CN86100133A An automatic picture density control method and apparatus for a copying machine
08/27/1986CN85102855A Nonlinear electromagnetic oscillation device
08/26/1986US4607724 For preventing workers from falling off of a peaked roof
08/26/1986US4607438 Wall and rafter layout tool
08/19/1986US4606110 Tool and method for positioning ceiling runners
08/13/1986EP0190989A1 Intermediate anchor arrangement for the prestressing of construction elements which are built in many stages, and method for setting up such an intermediate anchor arrangement
08/12/1986US4604845 Continuous pivoted spacing tie
08/06/1986EP0190071A1 Device for binding concrete reinforcing bars
08/05/1986US4604003 Method and apparatus for retensioning prestressed concrete members
08/05/1986US4603747 Apparatus for removing internal tiles from chimneys
07/1986
07/30/1986EP0188986A1 Mounting box for concrete reinforcing members between two building parts
07/23/1986EP0108755B1 Method for mounting skeletons of superstructures and jig for implementing such method
07/22/1986CA1208032A1 Reinforcing rod holder for use in connection-type concreting operations and a method of producing same
07/16/1986EP0187326A2 Manipulator and method for moving parts from a base to their fitting position
07/15/1986US4599804 Line guide
07/15/1986US4599779 Construction tool
07/08/1986US4598897 Hydraulic tensioning tool
07/08/1986US4598524 Foundation of the handrail
07/08/1986US4598517 For use when casting concrete floors
07/02/1986EP0185677A1 Apparatus for automatically twisting the ends of a binding wire
07/02/1986CN85108509A Grouting technique and proportional squeezing conveyer
06/1986
06/25/1986EP0096036B1 Arrangement for the production of longitudinal screed slabs consisting of concrete
06/24/1986US4596101 Continuous unfolding spacing tie
06/19/1986WO1986003538A1 A weather protecting device for stands
06/18/1986CN85203389U Vertically sliding reflector
06/17/1986US4594830 Bonding unit for reinforced concrete structural components
06/10/1986US4594205 Durable, efficient
06/04/1986EP0183294A1 System for the temporary covering-over of at least one section of an edifice or building
05/1986
05/28/1986EP0181913A1 Guard rail for the ridge and eave of house roofs
05/27/1986US4591308 Guide jig for lifting an outer wall member of a curtain wall
05/27/1986US4591291 User-mounted concrete screed
05/27/1986US4590714 Heat insulating tarpaulin
05/14/1986EP0180667A1 Preassembled modules and their use in a building construction
05/10/1986CN85108069A Improvements in prefabricated modules, and the use thereof in the building industry
05/06/1986US4586823 Device for mixing and applying wet concrete
05/06/1986US4586303 Processes and devices for prestressing concrete works and to the corresponding works
05/06/1986US4586302 Construction-type support system
05/06/1986US4586299 Building system of interconnected block elements
04/1986
04/29/1986US4585129 Diagonally stiffened structure and method of forming same
04/16/1986EP0178091A1 Enclosure
04/16/1986EP0177980A2 Apparatus for stretching, loosening, and fixing a wire member
04/08/1986US4580378 Anchor assembly for tilt-up wall section
04/01/1986US4579697 Method for packing concrete cement utilizing a vibrator
03/1986
03/11/1986US4574545 Method for installing or replacing tendons in prestressed concrete slabs
03/11/1986US4574534 Tension enclosure system
03/04/1986US4573662 Hydraulic jack for stressing elongate elements
02/1986
02/25/1986US4572701 Universal concrete screed system
02/25/1986CA1201140A1 Lifting device for massive precast concrete wall units
02/19/1986EP0171422A1 A sliding form for casting columns
02/18/1986US4570987 Swivel eyebolt
02/11/1986US4569179 Bricklayer's speed lead with reversible clip means
02/05/1986EP0170563A1 Protecting process for sheathed pre-stressed steel cables
02/05/1986EP0170230A2 Method of vertically pretensioning for one- or multi-storied walls by individual wires and device for automatically clasping the pretensioning wires
01/1986
01/22/1986EP0169181A2 Container arranged to hold pumpable material
01/21/1986US4565261 Detachable gallery for use on buildings or the like
01/16/1986WO1986000279A1 Vehicle-mounted extensible conveyor
01/15/1986EP0168205A2 Screed rails
01/15/1986EP0167795A1 Method and apparatus (twisting tool) for twisting wire ends for the purpose of binding sacks, joining reinforcing rods in concrete structures, etc.
01/07/1986US4562679 Holder of connecting bars for providing a positive connection of two structural members
01/07/1986CA1198852A1 Portable gas-powered fastener driving tool
12/1985
12/31/1985US4561226 Processes and devices for greasing the ends of prestress reinforcements
12/27/1985EP0165367A1 Reinforcement-iron holder for use in joining cast concrete work
12/24/1985US4560029 For the attachment of a safety belt lanyard
12/24/1985US4559691 Device for securing a sleeve on the abutting ends of reinforcing bars
12/18/1985EP0164812A2 Device for the simultaneous positioning of two elements
12/18/1985EP0074971B1 Method for mounting a roof, floor or similar structure and a structure adapted to be mounted according to the method
12/17/1985CA1197989A1 Handling system for precast units
12/10/1985US4557007 For bridge cables
12/05/1985WO1985005398A1 Apparatus for automatically twisting the ends of a binding wire
12/05/1985WO1985005395A1 Guard rail for the ridge and eave of house roofs
12/04/1985EP0163563A1 Bypassing double action rope grip
12/04/1985EP0163008A1 Lifting and handling device
12/03/1985US4555890 Process for the installation of curtain walls and apparatus for the execution of the process