Patents
Sitemap › E04 - Building › E04G - Scaffolding; Forms; Shuttering; Building implements or other building aids, or their use; Handling building materials on the site; Repairing, breaking-up or other work on existing buildings › E04G 21 - Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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)
12/1981
12/08/1981US4304431 Handling/lifter device for a concrete slab or the like
12/01/1981US4302989 Apparatus for holding panels for fastening to a carrier framework
12/01/1981US4302979 Means and techniques useful in stressing cable
12/01/1981US4302978 Means and techniques useful in stressing cable
12/01/1981US4302918 Plug
11/1981
11/24/1981US4301627 Guard rails for portable stages
11/11/1981EP0039592A1 Portable building units
11/10/1981US4299513 Edge-shaping tool for forming surface of wet concrete in regions abutting a joint
11/04/1981EP0038954A2 Self-propelled concrete pump
11/04/1981EP0038800A1 Skeleton-frame system for the erection of building constructions.
11/03/1981US4298555 Mechanized trowel for finishing concrete slabs
10/1981
10/27/1981CA1111212A1 Undulated metallic elements for the reinforcement of composite materials
10/14/1981EP0037571A2 Distributing mast for a concrete pump
10/13/1981US4294383 Mortar applying device
10/07/1981EP0037085A1 Anchorage device for a safety harness
10/06/1981US4293231 Bearingless vibrator
10/06/1981US4293227 Spraying unit for unhardened concrete and the like
09/1981
09/30/1981EP0036795A1 Brackets for use during the erection of walls
09/29/1981CA1109689A1 Arrangement for transporting prefabricated concrete components
09/22/1981US4290638 Apparatus for releasable connection to an embedded member
09/22/1981US4290582 Wall puller tool
09/17/1981WO1981002600A1 Arrangement for laying concrete floors
09/09/1981EP0035281A2 Method and apparatus of blowing mortar or the like
09/02/1981EP0034899A1 Jointing techniques for concrete members
09/02/1981EP0034827A1 Auxiliary device for erecting partition walls in spaces
09/01/1981US4286934 Precast house manufacturing and erecting plant
08/1981
08/26/1981EP0034515A1 Use of autodestructive mixtures of resins and oxydant charges in the temporary bonding of constructional elements
08/25/1981US4285139 Trig pole for masonry construction
08/19/1981EP0033992A2 Masonry guide
08/04/1981US4281464 Device to facilitate the laying of masonry units
07/1981
07/28/1981US4280771 Apparatus for distributing concrete, especially in the shuttering of gallery linings in mine and tunnel workings
07/21/1981US4279950 Jointing of concrete structure
07/14/1981US4278395 Method for stocking wallboard into a building
07/14/1981US4277927 Spacer for the bricks of a facing brickwork to be placed in front of an inner brickwork
06/1981
06/30/1981US4275836 Method and apparatus for spraying concrete
06/23/1981US4274618 Strand lifting system
06/16/1981US4272922 Window guard support
06/09/1981US4272065 Building panel erection brackets
06/02/1981CA1102287A1 Rope descent control-brake
06/02/1981CA1102083A1 Arch forming assembly
05/1981
05/19/1981CA1101249A1 Device for use in tightening nuts
05/12/1981US4266581 Vacuum treatment unit
05/05/1981CA1100446A1 Rotary tower crane for construction purposes with a distributor device for concrete
04/1981
04/29/1981EP0027779A1 Forming implement to pour precise concrete slabs directly onto the flooring
04/21/1981US4263347 Unrolling and applying sheets from dispenser attached to stilts
04/21/1981US4263346 Spraying with coaxial cement streams
04/21/1981US4262951 Device for transporting prefabricated concrete sections
04/21/1981US4262696 Swivel arm concrete placer
04/16/1981WO1981001025A1 Lining device for connection irons of concrete construction parts
04/15/1981EP0026803A1 Construction joint shuttering comprising a former for supporting connecting bars
04/14/1981US4261694 Air vibrated/winched concrete screed
04/14/1981US4261544 Element locator for concrete
04/07/1981US4260318 Installation apparatus for escalators
03/1981
03/24/1981US4257652 Device for transporting materials across fragile structures
03/17/1981US4256416 Screed for leveling freshly poured concrete
03/17/1981US4255913 Hollow sleeve brackets
03/11/1981EP0024748A2 Construction and/or application in relation to the generation or the use of pressures, forces, flows and movements in and by means of hydraulic or hydro-pneumatic systems
03/11/1981EP0024697A1 Apparatus for flashing reinforcement steel
03/11/1981EP0024467A2 Device for sustaining panels during their securing to a supporting construction
03/03/1981US4253810 Concrete placing apparatus for casting solid walls
03/03/1981US4253778 Winch apparatus for vibrating concrete screed
02/1981
02/17/1981US4250681 Removable and reusable anchor and method
02/10/1981US4249718 Bolt tensioning device
02/10/1981US4249713 Roof attachment member for safety lines
02/05/1981WO1981000271A1 Device for the erection of constructions of any type by means of prefabricated massive cells in tube(kubus)for mounting and construction,and technical and structural process up to 90% of workability
02/04/1981EP0023478A1 A wire tying tool for preferably longitudinally extending members
01/1981
01/20/1981US4245451 Automatic method and apparatus for laying block units
01/07/1981EP0020342A1 Binding element for building elements of concrete or reinforced concrete cast the ones after the others
12/1980
12/30/1980US4241490 Method of applying metal sleeve to concrete reinforcing bar, metal sleeve and swaged connection
12/30/1980US4241470 Mortar trough
12/16/1980US4239397 Method for manufacturing shotcrete structures using a material having high impact resistance and optimum deformation properties
12/10/1980EP0020270A1 Device for preparing and setting bonding charges
12/10/1980EP0019922A1 Transport anchor with enlarged foot and lifting head
12/02/1980US4236698 Railing for building works and the like
12/02/1980US4236367 Bricklaying apparatus
11/1980
11/25/1980US4235305 System for inspecting reinforcing cables
11/11/1980CA1089321A1 Material conveying apparatus
10/1980
10/28/1980CA1088340A1 Method of and parts used in the construction of a prestressed concrete structure
10/21/1980US4229118 Screed support
10/14/1980CA1087415A1 Method and apparatus for building substantially dome- shaped structures
10/07/1980US4226563 Automatic article-laying apparatus
10/07/1980US4226305 Rope descent control-brake
10/07/1980CA1086979A1 Spaced-rotor ride-type surface working machine with single-stick control of all movements
09/1980
09/30/1980US4225086 Method and a device for adding material in an air stream to a nozzle
09/16/1980US4222459 Protective scaffold
09/09/1980CA1085337A1 Articulate conveyor system for tower crane
09/09/1980CA1085145A1 Method of applying a metal sleeve to a concrete- reinforcing bar
08/1980
08/26/1980CA1084295A1 Safety key and locking means therefor for use with concrete wall form panels
08/26/1980CA1084228A1 Method and apparatus for securing and stabilizing a lightweight, collapsible structure that is moving along a moving work site
08/19/1980CA1083846A1 Block or brick laying guide reinforcing module
08/05/1980CA1083198A1 Lifting device
07/1980
07/29/1980CA1082483A1 Filler plug for coil insert in concrete slab or panel
07/08/1980CA1080944A1 Automatic tube puller
07/01/1980US4210306 Safety key and locking means therefor for use with concrete wall form panels
06/1980
06/10/1980CA1079084A1 Cable grip gripping apparatus
05/1980
05/29/1980WO1980001088A1 Binding element for building elements of concrete or reinforced concrete cast the ones after the others
05/27/1980US4205029 Pre-stressed concrete construction
05/20/1980US4203714 Apparatus for vacuum processing of concrete
05/20/1980CA1077735A1 Building construction, particularly ceilings and floors
05/14/1980EP0010556A1 Method and device for manufacturing a road surface, a runway or the like
1 ... 209 210 211 212 213 214 215 216 217 218 219 220 221 222