| 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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| 06/23/1992 | US5123784 Method of sealing construction joint in top-down construction method |
| 06/20/1992 | CA2057574A1 Stud shield |
| 06/17/1992 | EP0489786A1 Mason's scale and masonry guide employing said scale |
| 06/16/1992 | US5122971 Method and apparatus for constructing structures |
| 06/10/1992 | EP0489673A1 Habitable container with extensible interior volume |
| 06/09/1992 | CA1302862C Removable and stackable hoistway door assembly |
| 06/09/1992 | CA1302800C Method and spray aggregate for pouring air-placed concrete |
| 06/09/1992 | CA1302725C Reinforcing rod holder for use in joining cast concrete work |
| 06/09/1992 | CA1302724C Stressing element of fiber composites as well as process and device for the stressing and anchorage of such a stressing element |
| 06/07/1992 | CA2057159A1 Habitable shelter-container with expansible interior capacity |
| 06/04/1992 | DE4037981A1 Concrete floor finishing machine - has unit detecting smoothing plant height and controlling adjusting mechanism |
| 06/04/1992 | DE4037898A1 Adhesive- or mortar-application machine - has hopper matching length of roller with outlet slot sealed at sides |
| 06/03/1992 | EP0488000A1 Aligning apparatus for masonry-work or similar |
| 06/03/1992 | CN1016881B Gas-pressure adjustable prestressing apparatus |
| 06/02/1992 | CA1302116C End protector for a reinforcing bar |
| 05/27/1992 | EP0487516A1 Construction apparatus and construction method |
| 05/27/1992 | DE4201887A1 Building fence with pedestrian covering - comprises width-adjustable support frame with roof component width unalterable |
| 05/27/1992 | DE4037167A1 Shell reinforcement structure - comprises box with cover accommodating reinforcing steel bars |
| 05/27/1992 | CN2105374U Quick screw fastening tool |
| 05/20/1992 | EP0486432A1 Outlet device for a hose transporting concrete, mortar, floor cement or the like |
| 05/20/1992 | CN2104900U Head of motor for building vibrator |
| 05/19/1992 | US5114319 Concrete-pumping device |
| 05/19/1992 | US5114294 Multi-directional lifting and handling attachment for a boom-type vehicle |
| 05/19/1992 | US5114127 Plumb-align device |
| 05/19/1992 | US5114040 Hopper for dispensing cement or mortar |
| 05/19/1992 | US5113596 T-square accessory for tape measure |
| 05/19/1992 | CA1300855C Corrosion protected tension member for use in prestressed concrete and method of installing same |
| 05/19/1992 | CA1300840C Method and apparatus for constructing circumferentially prestressed structures utilizing a membrane |
| 05/13/1992 | EP0485332A1 Fastening clip, in particular for joining reinforcing rods |
| 05/13/1992 | CN1016635B Multipurpose machine for concrete wall pouring brick wall bonding and plastering |
| 05/12/1992 | CA1300354C Spacer for tension member |
| 05/06/1992 | EP0483885A1 Vibrator for concrete or similar |
| 05/06/1992 | EP0383771B1 Device for supporting a frame |
| 05/06/1992 | CN2103606U Spiral reinforced bar binder |
| 05/06/1992 | CA2029279A1 Roof anchor |
| 04/30/1992 | DE4033933A1 Automatic position-dependent switch for internal vibrator motor - is closed for three-phase AC supply to motor when vibrator is elevated into working attitude |
| 04/29/1992 | EP0288531B1 Trowel for the application and working of building materials |
| 04/29/1992 | CN2102966U Supplementary building wall utensil |
| 04/28/1992 | US5108189 Vibrator and related method |
| 04/28/1992 | US5107643 Method to protect glass in doors and windows from scratches, abrasion, and painting processes |
| 04/28/1992 | US5107595 Accu-square marking system |
| 04/22/1992 | EP0481009A1 An apparatus for securing fittings in a thermoplastic foil web. |
| 04/22/1992 | EP0480987A1 Batching box. |
| 04/22/1992 | EP0323470B1 A lashing machine |
| 04/22/1992 | CN2102331U Vibrator of concrete plate end |
| 04/22/1992 | CN2102330U Multifunctional stamping hammer |
| 04/21/1992 | US5105907 Fall restraint cable support and method |
| 04/21/1992 | US5105590 Apparatus for constructing circumferentially wrapped prestressed structures utilizing a membrane including seismic coupling |
| 04/21/1992 | CA1299001C Debris barrier |
| 04/16/1992 | WO1992006260A1 A machine for joining together mutually crossing rods |
| 04/16/1992 | DE4032577A1 Cement mortar spreading tool - has rear wall with opening controlled by adjustable blade to form even layer |
| 04/15/1992 | EP0480683A1 Erection workbench and construction process |
| 04/15/1992 | EP0480295A1 Set for the construction of private or holiday homes |
| 04/14/1992 | US5104696 Pumping and continuous circulation during shutdown prevents hardening in hoses |
| 04/14/1992 | US5103593 Door shield construction |
| 04/08/1992 | EP0479628A1 Guide, end-guide, element for holding rebass, magnetic rule for the building industry used in prefabrication and in situ application |
| 04/07/1992 | US5101608 Adjustable brick support ring |
| 04/02/1992 | DE4030561A1 Protection of ceramic articles during handling and transport - by applying viscous mass which hardens to form elastomeric pads |
| 04/01/1992 | CN1059953A Prepressed anchor fixing device with steel tube |
| 03/26/1992 | DE4029757A1 Waste water collecting device for cleaning of building facades - has sectional two=part troughs on horizontal tubes of scaffold poles connected to facade by screwed-on support |
| 03/24/1992 | US5097567 Method and device for connecting at least two rods |
| 03/19/1992 | DE4028884A1 Frame to facilitate building of vertical wall - has platform which can beraised or lowered to support building material |
| 03/17/1992 | US5095809 Piston vibrator having an asymmetric cylindrical bore |
| 03/17/1992 | US5095633 Cement block tool |
| 03/17/1992 | CA1297314C Prestressed construction element of composite structure and method for element fabrication |
| 03/10/1992 | US5094403 Shotcrete gun |
| 03/10/1992 | US5094047 Apparatus and method for lifting tilt-up wall constructions |
| 03/10/1992 | US5094044 Multi-purpose dome structure and the construction thereof |
| 03/05/1992 | WO1992003627A1 Hoardings for a construction site |
| 03/04/1992 | EP0473539A1 Arrangement of tension cables in a pressure gallery |
| 03/04/1992 | EP0473535A1 Safety device for people working on roofs |
| 03/04/1992 | EP0472821A1 Arrangement for manipulating and positioning prefabricated concrete elements |
| 03/03/1992 | US5093065 Prestressing techniques and arrangements |
| 03/01/1992 | CA2050367A1 Protection system for slate roofers and others |
| 03/01/1992 | CA2047850A1 Arrangement for moving and positioning finished concrete parts |
| 02/26/1992 | EP0358721B1 Method and apparatus for forming a path for a screeding means |
| 02/18/1992 | US5088263 Construction apparatus and construction method |
| 02/06/1992 | DE4124539A1 Metal detector probe with marking arrangement - has roller surface enabling marking element to be brought into contact with surface when probe tilted |
| 02/05/1992 | EP0469687A2 Floor leveling apparatus and system for making concrete floors |
| 02/01/1992 | CA2047446A1 System for making concrete floors |
| 01/29/1992 | EP0468204A1 Metal sheet or metal strips |
| 01/29/1992 | CN2094587U Concrete lining-up machine for pneumatic cutting v-shaped channel |
| 01/28/1992 | US5083636 Climbing safety net |
| 01/28/1992 | US5083469 Methods and devices for placing multiple strand cables under tension |
| 01/22/1992 | EP0466693A1 Temporary roofing for building sites composed of elements which slide under and over each other |
| 01/22/1992 | EP0241554B1 Process for producing mortar and method for applying the same |
| 01/15/1992 | EP0466645A1 Tensioning-jack |
| 01/15/1992 | EP0466517A1 Screeding apparatus |
| 01/15/1992 | EP0465991A1 Mortar and concrete to be processed by wet spraying and method of production of mortar and concrete |
| 01/15/1992 | EP0465654A1 Device for leveling concreted surface |
| 01/14/1992 | US5080525 Floor paving machine and method |
| 01/14/1992 | CA2046977A1 Screeding apparatus |
| 01/10/1992 | CA2046500A1 Mortar and concrete workable in a wet spraying process, and procedure for use thereof |
| 01/08/1992 | CN2092579U Fallproof device of gondola |
| 01/02/1992 | EP0463280A1 Vibrating machine for the laying of covering units, such as ceramic tiles, marble tiles or wood tiles for parquet flooring used in the building industry |
| 01/02/1992 | EP0463005A1 Safety support structure |
| 01/02/1992 | DE4119289A1 Appliance for laying paving slabs - has motor driven winch mounted on swinging on swinging horizontal arm |
| 01/01/1992 | CN2091913U Line positioner for masonry |
| 12/31/1991 | US5076501 Shotcrete gun |
| 12/27/1991 | EP0462119A1 Device for conveying fluid materials |