| 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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| 10/28/1993 | WO1993021409A1 Profile board |
| 10/28/1993 | DE4213408A1 Safety iron rod inserting strip - consists of several parallel, inserting iron rods with stirrup at top end |
| 10/27/1993 | EP0567261A2 Adjustable vehicle-carrying frame |
| 10/27/1993 | CN2144681Y Movable wire-draw stand |
| 10/26/1993 | US5255727 Protective door cover and method of making |
| 10/26/1993 | US5255489 Construction apparatus for buildings and constructing method therewith |
| 10/21/1993 | DE4212894A1 Crane for lifting big stone blocks - incorporates parallelogram lifting jib with actuator cylinder directly connected to it |
| 10/20/1993 | EP0566467A1 Apparatus for levelled cementitious material spreading |
| 10/20/1993 | EP0566463A1 Improvements to prestressed concrete structures by using greased and sheated strands |
| 10/20/1993 | EP0434819B1 Lifting cramp, mainly for raising concrete slabs |
| 10/19/1993 | CA1323170C Clamp for building structures |
| 10/14/1993 | WO1993020308A1 Device for detachably securing formwork boards |
| 10/14/1993 | WO1993020004A1 A lifting device and method |
| 10/14/1993 | DE4300849A1 Working platform for handling of masonry - has platform mounted on motor driven rollers with lifting cylinder and handling unit controlled manually or automatically |
| 10/14/1993 | DE4211872A1 Adjustment device for positioning of glass plate - has L=shaped bracket support contg. permanent magnets or magnetisable material on vertical limb, on horizontal limb, and behind plate. |
| 10/14/1993 | CA2110286A1 Device for a detachable securing of formwork boards |
| 10/13/1993 | EP0522033B1 A fastening member for fastening a protecting or shielding cover to a scaffolding or a similar supporting structure, and a tool for use in mounting the fastening member |
| 10/13/1993 | EP0383870B1 Anchorage piece, in particular for concrete |
| 10/12/1993 | US5251421 Prestress wire splicing apparatus |
| 10/07/1993 | DE4310022A1 Anchor point for prefab. concrete components - is made from single section of reinforcement bar which incorporates shaped lower section and formed or upset lifting head. |
| 10/05/1993 | US5249769 Support |
| 09/30/1993 | WO1993018991A1 Concrete pump vehicle |
| 09/28/1993 | US5248021 Fall arrest lifeline roof anchor |
| 09/23/1993 | DE4209001A1 Crane handled skip for building materials and tools - has on top edge either side of eyelet bars reinforcement welded to both edge and eyelet bar. |
| 09/23/1993 | DE4208831A1 Autobetonpumpe Concrete pump |
| 09/23/1993 | DE4207542A1 Chimney refurbishment equipment using sectional fireclay insert - fits vertical supporting straps down opposite sides of insert, secured by bands with clips, fitting inside bottom |
| 09/22/1993 | EP0560904A1 Automatic brick placing machine loader |
| 09/22/1993 | CN2142479Y Punch mould used for fastening cross reinforcing bars |
| 09/22/1993 | CN1076505A Reinforcing bar binding machine |
| 09/21/1993 | US5246163 Method of applying quick setting spray materials |
| 09/21/1993 | CA2063675A1 Vertical control joint groover for concrete construction |
| 09/17/1993 | CA2063095A1 Adjustable brace |
| 09/16/1993 | DE4208201A1 Hoist with gripper arrangement for moving large-format stones - has operating components connected to electrical drive motor for forward and backward movement of hoist. |
| 09/16/1993 | DE4207384A1 Mechanical handling robot for use in construction industry - has gripper for bricks and blocks at end of articulated arm programmed to produce wall construction |
| 09/15/1993 | EP0560707A1 A tieing device made of wire for connecting reinforcing rods for concrete constructions as well as apparatus for use in applying such device |
| 09/14/1993 | US5244305 Concrete striking equipment |
| 09/14/1993 | US5244069 Apparatus for protecting mixer truck chute against wear |
| 09/14/1993 | CA1322146C Device for twisting wires and formed wire for connecting rods |
| 09/12/1993 | CA2091372A1 Tying device for reinforcing rods and apparatus for attachment of same |
| 09/09/1993 | DE4206888A1 Appts. for inserting stainless steel lining into chimney - has basic frame,settable in front of chimney mouth,carrying cable drum with crank drive and ratchet |
| 09/08/1993 | EP0558988A1 Machine for inserting a steel tendon sheathed in rubber or the like into concrete panels, in particular for the construction of above-ground tanks |
| 09/08/1993 | EP0558791A2 Reinforcement connection |
| 09/07/1993 | US5242249 Pre-cast panel lifting insert |
| 09/07/1993 | US5241789 Apparatus for protecting elevator shaft openings during shaft door assembly |
| 09/02/1993 | WO1993017204A1 Plastering and lining strip for window stiles, door stiles and the like for the join with the plastering |
| 09/02/1993 | DE4301354A1 Bricklayer cord tensioner - comprises block with two angled arms with facing surfaces flat and enclosing inner right-angle |
| 09/01/1993 | EP0558084A1 Method and apparatus for tying one or more articles |
| 09/01/1993 | EP0558000A1 Finishing strip for appliance and protection of plaster at the junction of window or door frames or similar with plaster |
| 09/01/1993 | CN1075687A Method and apparatus for tying one or more articles |
| 08/29/1993 | CA2090442A1 Method and apparatus for tying one or more articles |
| 08/25/1993 | EP0557261A1 Apparatus for the manufacture of concrete columns |
| 08/25/1993 | CN2140930Y Machine for binding reinforcing bar |
| 08/25/1993 | CN1075437A Prestress wire splicing apparatus |
| 08/24/1993 | US5237793 Elongated prestressed concrete tank and method of constructing same |
| 08/24/1993 | US5237784 Shelter container fit for habitation with extendible inner volume |
| 08/19/1993 | WO1993016256A1 Safety system for use in erecting static structures |
| 08/19/1993 | WO1993016255A1 Masonry guide accessory device |
| 08/19/1993 | WO1993016254A1 Materials placing apparatus |
| 08/19/1993 | WO1993015881A1 Safety apparatus and method for using the same |
| 08/19/1993 | DE4204332A1 Mobile peristaltic concrete pump - tilts sideways on chassis to accommodate distribution boom alongside outlet when folded for transport |
| 08/19/1993 | DE4204330A1 Pump for ready mixed concrete delivery truck - has pump housing offset from vehicle frame to accommodate swivel mounted delivery chute |
| 08/19/1993 | CA2129902A1 Safety system for use in erecting static structures |
| 08/18/1993 | WO1993016250A1 Method and device for the monolithic application of a thermal-insulation and/or fire-protection compound to a surface |
| 08/18/1993 | EP0555517A2 Stake setting device for positioning, during mortaring and cement hardening, stakes, posts and the like |
| 08/18/1993 | CN2140404Y Machine for sticking ceramic tile |
| 08/12/1993 | DE4203820A1 Support design for base of concrete unit mast - with formed outrigger stored facing forwards on pump trailer |
| 08/05/1993 | WO1993015290A1 Method and device for arranging building panels |
| 08/05/1993 | DE4219401C1 Connector for slotted guide track of transporter - has hinged sections with flexible guide elements and includes grip clamps for fitting purposes |
| 08/05/1993 | DE4201671A1 Adjustable height support between base and superstructure - has two=part support fixed to base with projecting threefold stud and threefold cap |
| 08/03/1993 | US5231815 Wall construction and spacer for use therewith |
| 07/27/1993 | US5230738 Masking device |
| 07/22/1993 | WO1993014288A1 Device for conveying concrete with an adjustable height concrete distribution mast |
| 07/21/1993 | EP0551500A1 Power rebar tying tool |
| 07/21/1993 | EP0551376A1 A machine for joining together mutually crossing rods |
| 07/21/1993 | CN2138675Y Automatic safety protective mechanism for material delivering platform |
| 07/21/1993 | CN1074503A Walking concrete vibrator |
| 07/20/1993 | US5228667 Facia board holder clamp |
| 07/20/1993 | US5228650 Prestressing apparatus |
| 07/20/1993 | US5228322 Plant to select and bend bars for building work |
| 07/20/1993 | US5228262 Anchor assembly |
| 07/20/1993 | US5228248 Mounting device for building structures |
| 07/20/1993 | CA1320520C Scaffolding |
| 07/15/1993 | DE4200669A1 Anordnung zum foerdern von beton mit hoehenverstellbarem betonverteilermast Arrangement for conveying concrete with height-adjustable concrete distributor mast |
| 07/15/1993 | DE4200264A1 Protective covering for rain pipes during decoration etc. - using corrugated, elastic covers which snap into place around pipes |
| 07/14/1993 | EP0550707A1 Device and process for temporarily applying holding or securing means to a surface |
| 07/14/1993 | CN1074261A Concrete pouring technology and machine for steel-pipe concrete arch |
| 07/13/1993 | US5226265 Apparatus and method for lifting tilt-up wall constructions |
| 07/08/1993 | WO1993013010A1 Multipurpose concrete placer with universal attachment for a rough terrain vehicle or crane |
| 07/07/1993 | EP0550130A1 Reinforced carrier disc for operable partition system |
| 07/07/1993 | EP0549595A1 Method of manufacturing a hollow self-supporting concrete structure, means for performing said method and structures obtained by means of the method. |
| 07/07/1993 | EP0549578A1 Braiding pincers. |
| 07/07/1993 | CN1074006A Plug-in simulative construction method with standard pieces for building installation |
| 07/06/1993 | US5224793 Screeding apparatus |
| 07/06/1993 | US5224654 Apparatus for pneumatically discharging liquified building material containing a hardener |
| 07/06/1993 | US5224309 Temporary cleat for sheet goods |
| 07/01/1993 | DE4243227A1 Pincer tool for lifting building stone - with arms telescopically extended and withdrawn by cable or similar to hold stone in pincer forms. |
| 07/01/1993 | DE4243117A1 Support system for structures, for temporary use - consists of support, with spherical end element, held in spherical seat in prismatic support element |
| 07/01/1993 | DE4239023A1 Concrete steel reinforcement connection - is housed in box section using compound reinforcement bars to reduce box height and size of bar needed. |
| 06/30/1993 | CN2137274Y Movable automatic safety device |
| 06/29/1993 | CA1319552C Stanchion assembly |