| 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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| 02/03/1999 | EP0894171A1 Process for making anchoring points and installation of a structure on a terraced roof, and adapted structures |
| 02/03/1999 | EP0819203B1 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 |
| 01/27/1999 | EP0893555A2 Method for mounting wall-panels and arrangement for applying such method |
| 01/27/1999 | EP0893554A1 Method and arrangement for realising a horizontal filling- layer |
| 01/26/1999 | US5863169 Method and device for installing light-weight panel units |
| 01/21/1999 | DE19729637A1 Room cell structural module lifting method |
| 01/20/1999 | EP0892124A2 Peelable protective sheet for metal sheets or strips |
| 01/20/1999 | CN2304716Y Wholly moveable mixing plant |
| 01/20/1999 | CN2304715Y Cement curing mixer |
| 01/19/1999 | US5860254 Lift insert assembly and fabrication assembly method |
| 01/14/1999 | WO1999001630A1 Device for linking reinforced concrete elements |
| 01/13/1999 | EP0890683A2 Roof Structure |
| 01/12/1999 | US5857803 Portable vibratory wet screed |
| 01/12/1999 | US5857296 Concrete sandwich panel erection anchor |
| 01/07/1999 | EP0889178A1 A support system |
| 01/07/1999 | EP0836664B1 Brick-laying robot for rising masonry |
| 01/06/1999 | CN1203994A Combined reinforced bar with stress and its processing method |
| 01/06/1999 | CN1041544C Automatic grouting method and device for anti-leakage plate of dam |
| 01/05/1999 | US5855075 Brick-laying template |
| 12/30/1998 | EP0854960A4 Lifting anchor for embedment in concrete members |
| 12/30/1998 | CN2302306Y Pneumatic concrete delivery pump |
| 12/29/1998 | US5853163 Post plumbing device |
| 12/23/1998 | EP0886020A1 A wire twisting device for use in a reinforcement binding machine |
| 12/22/1998 | US5850889 Single post safety anchor |
| 12/16/1998 | CN1201859A Method and apparatus for manufacture of steel bar cage |
| 12/15/1998 | US5848871 For use with a loader |
| 12/15/1998 | US5848665 Safety/debris net system |
| 12/10/1998 | DE19829718A1 Producing concrete structures with surface hardening |
| 12/08/1998 | US5845452 Roof anchor for safety equipment |
| 12/02/1998 | EP0881339A1 Remaining fastening arrangement for safety-roof anchors |
| 12/02/1998 | EP0880631A1 Material outfeeding device for vehicles |
| 12/02/1998 | EP0880630A1 Plastering strip for window frames, door frames or the like at the transition to the plaster |
| 12/02/1998 | CN2299112Y Level building angle square |
| 12/01/1998 | US5843554 Multi-layer covering articles |
| 12/01/1998 | US5842685 Temporary guard rail system |
| 12/01/1998 | US5842506 Hand tool for forming and applying wire ties |
| 11/26/1998 | WO1998053161A1 Partly retractable construction platform |
| 11/26/1998 | WO1998053156A1 Tensioning device |
| 11/25/1998 | CN2298302Y Building protective net |
| 11/25/1998 | CN2298301Y Hard metal mosaic high hardness abrasion resistant spectacled board |
| 11/19/1998 | WO1998051638A1 Self-levelling concrete and method for making a structural part |
| 11/19/1998 | CA2289587A1 Self-levelling concrete and method for making a structural part |
| 11/18/1998 | EP0878597A1 Security-net for persons or objects falling down by construction- or erecting work |
| 11/18/1998 | EP0878596A1 Transport anchor embedded in porous-concrete panels |
| 11/17/1998 | US5836132 Anchor template |
| 11/11/1998 | EP0877131A1 Arrangement for connecting scaffolds to a wall or roof border |
| 11/10/1998 | US5833430 Wall raising apparatus |
| 11/10/1998 | US5832587 In a rectangular engaging portion |
| 11/04/1998 | EP0875664A2 Method for making a hydraulical transportable solid/liquid mixture |
| 11/04/1998 | EP0875636A1 Prestressing cable and duct element therefor |
| 11/04/1998 | CN2296386Y Plaster knife with sharp slot lateral edge |
| 11/03/1998 | USRE35942 Brick placing machine |
| 11/03/1998 | US5831404 Method of preventing wire from being twisted off in reinforcing bar fastening machine |
| 11/03/1998 | US5829874 Backpack mounted pivoting motor for concrete finishing |
| 11/03/1998 | US5829207 Edge lifting recess former and reinforcement system |
| 11/03/1998 | US5829203 Roof safety bracket |
| 11/03/1998 | US5829147 Apparatus for applying marks to surfaces |
| 10/29/1998 | DE19717517A1 Long term dosing unit |
| 10/28/1998 | EP0874096A1 Machine and process for crimping a sleeve on a rebar |
| 10/28/1998 | EP0873455A1 Storage device for making available stackable building materials especially heat insulation boards on building or facade scaffolding |
| 10/28/1998 | CA2235117A1 Method for the production of a hydraulically, transportable liquid-solid mixture |
| 10/27/1998 | US5826927 Hand-held material carrier |
| 10/27/1998 | US5826629 Pneumatic wire tying apparatus |
| 10/27/1998 | US5826398 Device and method for protecting from reinforcement bar injury |
| 10/22/1998 | DE19813765A1 Method of spraying concrete |
| 10/20/1998 | US5824253 Method for molding a protective cover for an exposed end of a bar |
| 10/20/1998 | US5823218 Large manipulator, especially for self-propelled concrete pumps, and method for operating it |
| 10/20/1998 | US5822946 For chocking reinforcement wires |
| 10/20/1998 | US5822942 Auxiliary surface-forming member for construction elements |
| 10/15/1998 | DE19711537A1 Rag bolt mounting on concrete structure |
| 10/15/1998 | DE19706939A1 Coping support for door or window lintel |
| 10/14/1998 | EP0670946B1 Hydraulic pressure-supply and control unit for a truck-mounted concrete pump |
| 10/14/1998 | CN2294315Y Y-branch like two head jet of patching machine |
| 10/13/1998 | US5820301 Method of laying concrete on an area of frozen ground |
| 10/13/1998 | US5819498 Home construction methodology |
| 10/08/1998 | WO1998044216A1 Easily adjustable, reusable arch-forming assembly for creating a framework for constructing arches and archways |
| 10/07/1998 | EP0868582A1 Spray nozzle |
| 10/07/1998 | CN2293615Y Civil construction hoisting apparatus |
| 10/07/1998 | CN2293614Y Machine for conveying & distributing building material |
| 10/06/1998 | US5816016 Method of installing acoustical panels in an arena |
| 10/06/1998 | US5815998 Door jamb protector apparatus |
| 10/01/1998 | WO1998042934A1 Binder pliers for securing reinforcement bars in construction sites |
| 10/01/1998 | DE19815301A1 Production of concrete components with use of surface hardening |
| 10/01/1998 | DE19711813A1 Thermal insulation for construction joints |
| 10/01/1998 | DE19711003A1 Verankerungsvorrichtung für ein Zugglied, insbesondere für die Anwendung im Spannbetonbau An anchoring device for a tension member, in particular for use in prestressed concrete |
| 09/30/1998 | EP0867695A2 Method and device for detecting the degree of filling of formworks with concrete, as well as its compacting, by exploiting its electrical properties |
| 09/30/1998 | EP0680540B1 Scaffolding system |
| 09/29/1998 | US5814232 Method of separating constitutent ingredients of mixtures by staged resonant frequency vibration |
| 09/29/1998 | US5813486 D-ring anchorage connector |
| 09/29/1998 | US5813188 Accessory for building construction |
| 09/24/1998 | WO1998041709A1 Anchoring device for a tension member, especially for use in prestressed concrete constructions |
| 09/24/1998 | DE19710274A1 Slab concrete storey ceiling or floor construction method |
| 09/23/1998 | EP0866189A1 A method of lifting structure from above to below |
| 09/23/1998 | EP0865343A1 Truss assembly table |
| 09/22/1998 | US5809710 Method of tensioning a tension member composed of a plurality of individual elements |
| 09/17/1998 | DE19711043A1 Method of manufacturing walling |
| 09/16/1998 | CN2291464Y Reinforcing bar clamp |
| 09/16/1998 | CN1193371A A machine for joing together elongated objects |
| 09/15/1998 | US5807059 Ready mixed concrete conveying apparatus |
| 09/15/1998 | US5806628 Climbing device for building frames |