| Patents for E04G 23 - Working measures on existing buildings (7,015) |
|---|
| 06/26/1991 | CN1052437A Demolition tool for hydraulic excavator |
| 06/19/1991 | EP0433098A1 Rock and coral demolition tool |
| 06/19/1991 | EP0432484A2 Fastening element |
| 06/15/1991 | CA2011497A1 Rock and coral demolition tool |
| 06/13/1991 | WO1991008360A1 Wall propping |
| 06/12/1991 | WO1991009153A1 Method of protecting embedded reinforcing members |
| 06/12/1991 | CA2046309A1 Method of protecting embedded reinforcing members |
| 06/11/1991 | US5022927 High pressure fluid discharge |
| 06/06/1991 | DE4036761A1 Regenerating hardened PVC roofing strips - by application of isopropanol soln. of plasticiser, pref. di:octyl phthalate |
| 06/04/1991 | US5020962 Apparatus for dismantling buildings |
| 05/30/1991 | WO1991007474A1 Process for sealing cracks in walls |
| 05/29/1991 | DE3938728A1 Window-frame cutting out equipment - uses chain-saw coupled via depth stop and slide to guide rail clamped to frame |
| 05/28/1991 | US5018331 Wall repair method and device |
| 05/23/1991 | DE4029134A1 Composite structure of timber beam and concrete slab - has concrete reinforcing bolts screwed into timber beam at acute angle to surface |
| 05/14/1991 | US5014803 Device capable of suction-adhering to a wall surface and moving therealong |
| 05/14/1991 | US5014483 Apparatus for repairing holes in wood |
| 05/08/1991 | DE3936406A1 Removing mechanism for building unwanted components - has claws on ends of hydraulic spider arms on hydraulic support |
| 05/07/1991 | US5013092 Surface stripping device |
| 04/24/1991 | EP0423785A2 Method for removal of sprayed-on asbestos and apparatus therefor |
| 04/24/1991 | CN1050920A New and old structure jointer for old building height-adding |
| 04/16/1991 | US5007593 Apparatus for exposing the reinforcing bars of reinforced concrete pillars |
| 04/10/1991 | EP0421072A1 Injection packer for injecting synthetic resin into the cracks of concrete |
| 04/03/1991 | CN1050424A Method for softening and breaking concrete |
| 04/02/1991 | US5004168 For breaking relatively brittle material such as stone |
| 04/02/1991 | US5004156 Washing device mounted on a motor vehicle and comprising a rotary washing arm which delivers jets of pressurized hot water for cleaning various surfaces |
| 04/02/1991 | US5003749 Grouting anchor to be inserted in a predrilled hole |
| 03/27/1991 | CN1050245A Story added contruction for low stored building |
| 03/27/1991 | CN1050209A Soundless expension-spalling agent |
| 03/26/1991 | US5002629 Floor covering peeling motor-powered vehicle |
| 03/21/1991 | DE3929776A1 Nozzle and packer for injecting synthetic resin into concrete cracks - has hard body, soft front collar with serrated rings and nipple through which resin is injected under pressure |
| 03/19/1991 | US5000890 Method for resetting separated tiles |
| 03/13/1991 | EP0416252A1 Machine for removing coatings from double bottom plates or the like |
| 03/13/1991 | EP0416102A1 Crack repairing method |
| 03/05/1991 | CA1280949C Shelter |
| 03/03/1991 | CA2024427A1 Apparatus for the separation of floor coverings on raised floor panels or the like |
| 02/26/1991 | US4995605 Panel fastener clip and method of panel assembly |
| 02/21/1991 | DE3926986A1 Injector packing bolt with hole through its axial centre - has tapered threaded end in correspondingly tapered threaded expanding sleeve |
| 02/21/1991 | DE3926942A1 Roughening surface of floor or wall - involves tool consisting of disc with sharp-edged projections |
| 02/19/1991 | US4993313 Control system for doors of a negative air pressure enclosure |
| 02/13/1991 | EP0412910A1 Reinforcing element for existing wooden beam, its manufacturing method and arrangement, its use and reinforced beam obtained therefrom |
| 02/07/1991 | WO1991001415A1 An improved balcony |
| 02/07/1991 | DE3926122A1 Insulating corrugated sloping roofs - by placing reinforcing channel sections in roof troughs without touching them and casting lightweight concrete mix to cover area |
| 02/05/1991 | US4990026 Process for lowering building structures |
| 02/05/1991 | US4989385 Device for repairing a hole in a plasterboard wall |
| 01/30/1991 | EP0216762B1 Resin-cloth structural system |
| 01/23/1991 | EP0408656A1 Sectional element for making an edge mould. |
| 01/22/1991 | US4986862 Sealant injection method and an apparatus therefor |
| 01/16/1991 | EP0407745A2 Vacuum held crawler |
| 01/10/1991 | DE4021068A1 Reinforced concrete preservative - applied by blast of compressed air |
| 01/09/1991 | CN1048427A Apparatus for directional destorying entire sturdy objects |
| 01/09/1991 | CN1048339A Process for cleaning surface of materials and device for carrying out this process, employing focussing of pulsed laser with short pulses on surface to be cleaned |
| 01/08/1991 | US4983809 Radiant floor tile heater |
| 01/03/1991 | DE4002421C1 Injection of material into damaged walls - involves nozzle with handles and material supply with flexible hose |
| 01/02/1991 | EP0404971A1 Method and device for lifting, sinking and/or straightening a building |
| 01/01/1991 | US4981548 Apparatus for use in removing tile from a floor |
| 01/01/1991 | US4980999 System for raising a roof |
| 12/27/1990 | EP0404229A2 Device for breaking objects consisting of concrete or similar material |
| 12/14/1990 | CA2018708A1 Vacuum held crawler |
| 12/13/1990 | DE3915564A1 Injecting preserving medium into wood - involves drilling holes and inserting sealing device with expansible tube |
| 12/05/1990 | EP0401120A1 Remote-controlled mobile robot for working surfaces, particularly for cleaning glass-walls |
| 12/05/1990 | CN2066768U Crusher body |
| 11/28/1990 | EP0399165A1 Injection anchor |
| 11/27/1990 | CA1276856C Enclosure |
| 11/22/1990 | EP0398117A2 Process for rehabilitating internally reinforced concrete by removal of chlorides |
| 11/22/1990 | EP0397716A1 Injection device for introducing fluids under pressure into cracked structures. |
| 11/22/1990 | EP0397676A1 Method for readapting dwellings. |
| 11/20/1990 | US4970835 Wall anchoring device and method of installation |
| 11/14/1990 | EP0396815A1 Suction hood for cleaning walls |
| 11/13/1990 | US4969786 Expansion wall plug for double masonry walls |
| 11/13/1990 | CA1276083C Boom operated demolition apparatus and method of breaking composite material |
| 11/06/1990 | CA1275775C Concrete repair kit |
| 10/31/1990 | EP0394945A2 System for removal of asbestos material |
| 10/31/1990 | DE3940333C1 Repairing chloride weakened steel reinforced concrete - by removing steel reinforcing rods and coating with reactive epoxy] resin compsn. then polymer modified concrete |
| 10/30/1990 | US4965922 Method for dismantling a natural gas holder |
| 10/30/1990 | CA1275660C Expansive demolition agent |
| 10/25/1990 | CA2015234A1 System for removal of asbestos material |
| 10/23/1990 | US4964775 Mobile home positioner |
| 10/16/1990 | US4963224 Motorized carpet and tile stripping tool |
| 10/09/1990 | US4961543 Rotation adjusting apparatus in a crusher |
| 09/25/1990 | US4959251 Repairing drywall |
| 09/20/1990 | WO1990010771A1 Crack repairing method |
| 09/19/1990 | EP0388368A1 Method for accelarating the action of expansive mortars |
| 09/19/1990 | EP0387375A1 Sealant injector |
| 09/11/1990 | US4955961 Working machine |
| 09/11/1990 | US4955457 Arrangement for the demolition of smokestacks |
| 09/11/1990 | US4955174 Expandable building with modular roof system |
| 09/05/1990 | CN1045145A Anti-leakage construction technology for cement platform roof |
| 08/29/1990 | EP0384873A1 Apparatus for cleaning building-walls |
| 08/29/1990 | EP0384507A1 Device for breaking off piles |
| 08/29/1990 | EP0384327A2 Injection anchor for insertion into a predrilled hole |
| 08/28/1990 | US4951886 Concrete crusher |
| 08/21/1990 | US4949512 Cage for reconditioning building facades |
| 08/16/1990 | DE3839844A1 Dirty-water intercepting device for intercepting dirty water in the case of repair work on buildings |
| 08/14/1990 | US4948451 Automatic carpet stripping apparatus and method |
| 08/08/1990 | EP0380915A1 Fitting for injecting mineral binding agents into construction parts |
| 08/07/1990 | US4945700 Tool and methodology for patching wallboard |
| 08/02/1990 | DE3902401A1 Process for improving dynamic and static characteristic values in the case of reinforced-concrete floors |
| 08/01/1990 | EP0380387A1 Surface cleaning with a laser |
| 07/26/1990 | WO1990008036A1 Carpet stripping assembly |
| 07/24/1990 | US4943023 Dam support bracket for masonry construction |