| 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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| 10/29/1997 | EP0803621A1 Element for positioning one or more profiles or the like when bricklaying walls |
| 10/29/1997 | EP0803620A1 Alignment element |
| 10/29/1997 | CN2266013Y Corrector for double pipeline outlet position in building |
| 10/28/1997 | US5681125 For dispensing mortar to a masonry construction |
| 10/23/1997 | WO1997039210A1 Conveyor elevating techniques |
| 10/23/1997 | WO1997038926A1 Conveyor modular construction techniques |
| 10/21/1997 | US5678613 Reinforcement binding machine |
| 10/15/1997 | EP0801189A1 Connecting section for door or window openings |
| 10/15/1997 | EP0800602A1 Concrete structure having load transferring insert and method for making same |
| 10/15/1997 | CN2264783Y Net for applying mortar |
| 10/15/1997 | CN2264782Y Microsound vibrating spear |
| 10/15/1997 | CN2264781Y Bumping concrete vibrator |
| 10/14/1997 | US5676358 Variable height jig stop assembly and alignment plates for truss table |
| 10/14/1997 | US5675941 Method and apparatus for constructing prestressed structures utilizing a membrane and floating dome assembly |
| 10/09/1997 | DE19613437A1 Temporary handrail for flat roof |
| 10/07/1997 | US5673883 Bar device for installing a protective sheet over a window |
| 10/07/1997 | US5673769 Safety/debris net system |
| 10/01/1997 | EP0797479A1 Vibrator with covering and related method |
| 09/30/1997 | US5671571 Plastering and lining strip for window stiles, door stiles or the like at the transition to the plaster |
| 09/25/1997 | WO1997035159A1 Measuring device |
| 09/25/1997 | WO1997035071A1 Method and apparatus for curing concrete |
| 09/24/1997 | EP0766769A4 Scaffolding assembly |
| 09/23/1997 | US5670076 Reusable coupler for foundation anchor |
| 09/23/1997 | US5669425 Rotating pliers for fastening the reinforcement rods of an armature in the building industry involving concrete casting |
| 09/23/1997 | CA2085109C Method to protect glass in doors and windows |
| 09/20/1997 | CA2200507A1 Method and apparatus for curing concrete |
| 09/18/1997 | WO1997034065A1 Reinforcing bar binding machine |
| 09/18/1997 | DE19714870A1 Measurement of concrete compression |
| 09/18/1997 | DE19709380A1 Crane for installing flat building components, particularly facade components |
| 09/18/1997 | DE19610443A1 Transport cradle for cast concrete building lintels |
| 09/18/1997 | DE19609705A1 Auxiliary structuring device for production of intermediate walls in buildings |
| 09/17/1997 | EP0795673A2 Security closure |
| 09/17/1997 | EP0795068A1 Temporary protective covering system |
| 09/17/1997 | EP0651691B1 An arrangement and method for vibrating concrete by means of a vibrating pole |
| 09/17/1997 | CN1159417A Spray machine with driven rotor unit |
| 09/16/1997 | US5667165 Apparatus and method for application of flexible sheet stock |
| 09/16/1997 | US5666769 Supporting element |
| 09/11/1997 | DE19603234A1 Automatic brick wall building machine |
| 09/10/1997 | EP0793553A1 A joining tool and a method for its use |
| 09/10/1997 | EP0628111B1 Collapsible barrier |
| 09/10/1997 | CN2262075Y Multifunctional locating board |
| 09/09/1997 | US5665254 Method of manufacturing a reinforcing bar cage and apparatus for manufacturing the same |
| 09/09/1997 | US5664908 For screeding viscous material |
| 09/09/1997 | US5664391 Roof anchor and hanging scaffold system |
| 09/04/1997 | WO1997032084A1 Method of repairing and reinforcing prestressed concrete structure |
| 09/04/1997 | DE19632327C1 Measuring and levelling device adjustable for various ceiling heights |
| 09/02/1997 | US5662369 Device for collapsing a backrest of a backseat of a car |
| 08/28/1997 | DE19608283A1 Wall-erecting method for buildings etc. |
| 08/28/1997 | DE19607206A1 Integral arresting equipment for steel workshop building |
| 08/28/1997 | DE19606539A1 Transport fork, especially for brick spacers |
| 08/27/1997 | EP0791416A1 Method for the production of metallic cages for reinforced concrete and relative device |
| 08/27/1997 | EP0791118A1 Device for coating building surfaces with curable viscous materials |
| 08/27/1997 | CN2260846Y Automatic laying-brick (etc.) and mortar applicating machine |
| 08/27/1997 | CN2260845Y Length-changeable form-board lifting device |
| 08/27/1997 | CN2260844Y Concrete recovering device |
| 08/26/1997 | US5660006 Wall support device |
| 08/21/1997 | WO1997030249A1 Material outfeeding device for vehicles |
| 08/21/1997 | WO1997030245A1 Plastering strip for window frames, door frames or the like at the transition to the plaster |
| 08/21/1997 | DE19605467A1 Anputzleiste für Fensterstöcke, Türstöcke oder dergleichen am Übergang zu Putz Plastering strip for window frames, door frames or the like at the transition to the plaster |
| 08/21/1997 | CA2175623A1 Stud template |
| 08/20/1997 | CN2260133Y Vibrator for concrete |
| 08/20/1997 | CN2260132Y Device for treating residuum of sand or cobble in its transportation vehicle |
| 08/19/1997 | US5657799 Safety device in reinforcing bars binding machine |
| 08/19/1997 | US5657548 Support for measuring cord |
| 08/15/1997 | CA2206676A1 Safety railing for temporary installation |
| 08/14/1997 | DE19543517A1 Vibrator for compacting concrete or road material |
| 08/13/1997 | CN2259388Y Antisticking discharge elbow for shotcrete machine |
| 08/13/1997 | CN1156685A Sealing plate for sealing rotor unit |
| 08/12/1997 | US5655755 Stanchion rail support and stanchion |
| 08/07/1997 | DE19603683A1 Load securing element for lifting tackle |
| 08/06/1997 | EP0787869A1 Rotary vibrator |
| 08/05/1997 | US5653078 Variable embedment anchor and method |
| 08/01/1997 | CA2196152A1 Rotary vibrator |
| 07/31/1997 | DE19612900A1 Thin-mortar application tool for brick walls |
| 07/24/1997 | WO1997026503A1 Quick guage brick tape |
| 07/24/1997 | DE19712577A1 Monitoring concrete filling of shuttering |
| 07/24/1997 | DE19602047A1 Arresting frame for roofs etc |
| 07/23/1997 | CN1155029A Top-lifting building method of building from upper to lower |
| 07/22/1997 | US5649782 Transport anchor especially for prefabricated concrete parts and load bearing member to be screwed into the transport anchor |
| 07/22/1997 | US5649404 Beam anchoring device |
| 07/22/1997 | US5649377 Multipurpose bucket structure |
| 07/17/1997 | WO1997025495A1 Storage device for making available stackable building materials especially heat insulation boards on building or facade scaffolding |
| 07/17/1997 | DE19700280A1 Shuttering aid especially for baths toilets and showers |
| 07/17/1997 | DE19651555A1 Nailed fastening device for shuttering board |
| 07/16/1997 | EP0784127A1 Anchoring element for reinforced concrete constructions |
| 07/15/1997 | US5647451 Portable roof guard rail support device |
| 07/09/1997 | EP0782653A1 Retaining member |
| 07/09/1997 | EP0782649A1 Method of thawing frozen ground |
| 07/08/1997 | US5645773 Method for placing concrete for construction of a master concrete structure |
| 07/08/1997 | US5644885 Mounting for facing panels |
| 07/03/1997 | DE19600006A1 Automatic brick laying wall-building machine |
| 07/03/1997 | DE19548461A1 Vibrating poker attachment for portable hand-held power tool |
| 07/02/1997 | CN1153098A Method for jet of concrete or mortar |
| 06/24/1997 | US5640996 Large manipulator, especially for self-propelled concrete pumps |
| 06/24/1997 | US5640850 Hydraulic pressure supply and control device for a mobile concrete pump |
| 06/19/1997 | DE19651723A1 Battery-operated concrete vibrator |
| 06/19/1997 | DE19546820A1 Moulding unit forming ends of concrete sections with reinforcing shackles |
| 06/19/1997 | DE19546792A1 Resting trestle with lifting device for items mounted on roofs of buildings |
| 06/19/1997 | DE19546536C1 Cover for openings in construction |
| 06/18/1997 | EP0779399A1 Concrete structure having load transferring insert and method for making same |