| 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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| 02/05/1997 | EP0756654A1 Machine for levelling concrete |
| 01/30/1997 | WO1997003263A1 Retaining member |
| 01/29/1997 | EP0755475A1 Method and device for installing light-weight panel units |
| 01/29/1997 | CN1141659A Method and apparatus for staged resonant frequency vibration of concrete |
| 01/28/1997 | US5596846 Lifting anchor for embedment in concrete members |
| 01/23/1997 | WO1997002397A1 Brick-laying robot for rising masonry |
| 01/22/1997 | CN2245642Y Automatic building blocks forming machine |
| 01/21/1997 | US5595260 Constructing and analyzing requirements of reusable roofline anchor |
| 01/21/1997 | US5595171 Apparatus for heating concrete |
| 01/21/1997 | CA2180042A1 Method for thawing frozen ground |
| 01/21/1997 | CA2091938C Method of manufacturing a hollow self-supporting concrete structure, means for performing said method and structures obtained by means of the method |
| 01/15/1997 | CN2245092Y Concrete injector |
| 01/15/1997 | CN1140480A Concrete pumping device |
| 01/08/1997 | EP0752296A1 Setting tool for anchor bolts |
| 01/08/1997 | EP0575380B1 Supporting element for use in casting concrete floors |
| 01/08/1997 | CN2244582Y High-frequency attached vibrator |
| 01/07/1997 | US5590863 Support |
| 01/07/1997 | US5590478 Masonry heating system |
| 01/02/1997 | EP0751270A1 Reinforcement binding machine |
| 01/02/1997 | EP0751269A1 Twisting and tightening mechanism in reinforcement binding machine |
| 01/02/1997 | EP0715672A4 Construction platform |
| 01/01/1997 | CN2244066Y Anti-crack strip of cement |
| 12/31/1996 | US5588263 Double adaptor bar for single inserts used in casting concrete |
| 12/31/1996 | US5588191 Anchoring eyelet for tarpaulins and similar coverings |
| 12/27/1996 | EP0750082A1 Device for anchoring building elements close to a surface |
| 12/25/1996 | CN1138885A Appts. for transferring ready-mixed concrete |
| 12/24/1996 | US5586423 Building handrail bracket |
| 12/17/1996 | US5584159 Masonry arch support apparatus and method |
| 12/11/1996 | EP0747552A1 Transport apparatus |
| 12/11/1996 | EP0549595B1 Method of manufacturing a hollow self-supporting concrete structure |
| 12/10/1996 | US5582266 Safety/debris net system |
| 12/10/1996 | US5581955 Safety device |
| 12/04/1996 | EP0745743A1 Adjustable and reusable arch support |
| 12/03/1996 | US5580036 Method and apparatus for remotely securing and spacing trusses and other building frame assemblies |
| 12/03/1996 | CA2066089C Levelled cement spreader |
| 11/28/1996 | DE19519435A1 Shifting bricks from pallet stack to erected wall |
| 11/26/1996 | US5577362 Module construction method in a steel structure building zone |
| 11/21/1996 | WO1996036780A1 Temporary frame structure for construction of building |
| 11/20/1996 | EP0743408A1 Machine for striking off poured concrete |
| 11/20/1996 | CN2240562Y Concrete washing recovery station |
| 11/12/1996 | US5573227 Guardrail stanchion mounted onto building frame |
| 11/12/1996 | US5572838 Strongback attachment system |
| 11/07/1996 | WO1996035033A1 Boarding device |
| 11/07/1996 | DE19516434A1 Prefab. and erection system for masonry walls |
| 11/06/1996 | CN2239471Y Elastic working clamping piece of prestressed anchor implement |
| 11/05/1996 | US5570559 For supporting a guard rail |
| 11/05/1996 | US5570549 Building anchoring system |
| 10/31/1996 | DE19515389A1 Telescoping prop of outer tubes joined by interposed inner tube |
| 10/30/1996 | EP0739438A1 Reinforcement for building elements under tension and installations provided therewith |
| 10/29/1996 | US5568708 Protective cover for covering an end of a concrete reinforcing bar |
| 10/23/1996 | EP0738809A1 Temporary guard rail system and method of using the same |
| 10/23/1996 | EP0738362A1 Concrete pumping device |
| 10/23/1996 | EP0738359A1 A beam anchoring device |
| 10/23/1996 | CN1033078C Lifting device and method |
| 10/22/1996 | US5567085 Method for thawing frozen ground for laying concrete |
| 10/17/1996 | DE19527517A1 Vibrator e.g. for feeding compacting or de-watering of gravel and ballast |
| 10/17/1996 | DE19513202A1 Device for anchoring reinforcing and pre-stressing steel in foundations |
| 10/15/1996 | US5564824 Rotary vibrator |
| 10/15/1996 | CA2173702A1 Temporary guard rail system and method of using the same |
| 10/10/1996 | WO1996031671A1 Support device for at least one elastically deformable securing element and a process for section-concreting using elastically deformable securing elements as a concrete connection |
| 10/10/1996 | DE4445271C1 Apparatus for closing window and other structural openings |
| 10/10/1996 | DE19512870A1 Bracket for protective wall on roof |
| 10/10/1996 | DE19511822A1 Reinforcement connection for concrete structure |
| 10/09/1996 | EP0736501A1 Process for spraying concrete or mortar |
| 10/09/1996 | CN1133078A Construction platform |
| 10/03/1996 | WO1996030609A1 Roofing tape |
| 10/03/1996 | WO1996030607A1 Manual or machine feedable clip for securing rebar |
| 10/02/1996 | EP0735213A1 Shuttering |
| 10/02/1996 | EP0734475A1 Method and apparatus of staged resonant frequency vibration of concrete |
| 10/02/1996 | DE19511906A1 Protective fence for building sites |
| 10/02/1996 | CN2236520Y Assembled lifting and distributing apparatus for construction practice |
| 10/01/1996 | US5560664 Device for coupling a cable of a lifting device to a prefabricated component |
| 10/01/1996 | US5560588 Support for temporary guard railing |
| 10/01/1996 | US5560581 Hinged base for a shoring strut for use in construction and steel structural work |
| 10/01/1996 | US5560402 Reversible direction wire twisting pliers |
| 09/26/1996 | WO1996029180A1 Method and apparatus for securing trusses |
| 09/26/1996 | DE19509060A1 Plumb line or guide line holder for bricklaying |
| 09/26/1996 | CA2215954A1 Method and apparatus for securing trusses |
| 09/25/1996 | CN1131975A Concrete building frame construction method |
| 09/24/1996 | US5558312 Adjustable safety bracket for roofing |
| 09/24/1996 | CA2075062C Sheet stretcher, attachment adjuster and a sheet to be stretched by the stretcher |
| 09/18/1996 | EP0577604B1 Method for blending of admixtures in a sprayed concrete mass and agent for application of the method |
| 09/18/1996 | CN2235472Y Universal spiral steel hoop machine |
| 09/17/1996 | US5557526 Load monitoring system for booms |
| 09/17/1996 | US5556199 Vibrator with covering and related method |
| 09/17/1996 | US5555697 Method for connecting precast concrete units |
| 09/11/1996 | EP0731239A2 Roof eave safety device |
| 09/11/1996 | EP0731238A1 Reinforcing bar binding machine |
| 09/11/1996 | EP0730909A1 Emptying device for concrete pumps |
| 09/10/1996 | US5553716 Adjustable vehicle-carrying frame |
| 09/04/1996 | EP0628123B1 Wedge action connector |
| 09/04/1996 | CN2234479Y Safety vertical net for building |
| 09/04/1996 | CN2234478Y Mixer for concrete and mortar |
| 09/03/1996 | US5551669 Guard rail fittings |
| 09/03/1996 | US5551662 Stone post guide system |
| 08/29/1996 | DE19506417A1 Erecting protective railing around roof verge |
| 08/28/1996 | EP0655100B1 Travelling concreting device |
| 08/28/1996 | CN2233964Y Adapter for vibrator |
| 08/27/1996 | CA1338560C Apparatus for pneumatically discharging a hardening building material, in particular, a hydraulic air-placed concrete or mortar |
| 08/22/1996 | WO1996025571A1 Scaffolding system |