Patents for E04G 23 - Working measures on existing buildings (7,015)
07/1990
07/19/1990CA2008128A1 Carpet stripping assembly
07/18/1990WO1990007988A1 Method for cleaning a surface with a laser
07/18/1990EP0378232A1 Method for reinforcing concrete structures
07/17/1990US4942354 Process for monitoring the effectiveness of repairs made to zones of reinforced concrete structures
07/17/1990US4941305 Repair of edge defects in boards of lumber or the like
07/12/1990WO1990007610A1 Surface-reconditioning system and wear plate for said system
07/11/1990EP0377541A1 Process and apparatus for anchoring the shieldings of a reinforced-earth wall
07/04/1990EP0376906A1 A method and an apparatus for reclaiming a false ceiling made of panels where mineral synthetic fibres are present
07/03/1990US4938651 Gear lock quick disconnect mechanism for articulated machine
07/03/1990US4938631 Facade anchor
06/1990
06/26/1990US4936071 Metal roof reroofing system and method
06/23/1990CA2006492A1 Rehabilitation of surfaces and wearing slab therefor
06/21/1990DE3941313A1 Verbundstruktur fuer einen unterzug zur abstuetzung einer aufrechtstehenden wand Composite structure for a joist for supporting an upstanding wall
06/21/1990DE3842377A1 Boring tool for widening pre-bored holes
06/21/1990DE3842376A1 Device for boring chimney shafts
06/21/1990DE3842163A1 Method of renewing the visible surface of a step, and parts therefor
06/20/1990CN1043183A Methods of pressure relief or load-off for existing buildings and methods of prestressing or restoring after their deformation
06/19/1990US4934616 Crushing tongs for clearing buildings, particularly walls made from reinforced concrete
06/14/1990WO1990006224A1 The method and apparatus for refinishing building panels
06/14/1990WO1990006191A1 Apparatus for use in and a method of removing asbestos
06/13/1990DE3938231A1 Loft space conversion - uses sandwiched slabs resting on edges of building walls and assembled by unit parts
06/12/1990US4932597 Concrete plate, panel, wall or flooring demolition apparatus
06/05/1990US4930284 Masonry anchor
06/05/1990US4930281 Wall repair device and method of use
06/03/1990CA2004484A1 Apparatus for use in and a method of removing asbestos
05/1990
05/31/1990DE3839608A1 Device for channelling away the cleaning agents and/or liquids used for cleaning vertical surfaces, preferably the facades of buildings
05/30/1990EP0370525A1 Device for collecting waste water
05/30/1990EP0370280A1 Device for demolishing chimneys
05/29/1990CA1269568A1 Method for repairing the near-surface layers of buildings reinforced with constructional steel
05/23/1990EP0369938A1 Method and device for demolishing wallings
05/22/1990US4926957 Device capable of suction-adhering to a wall surface and moving therealong
05/17/1990WO1990005227A1 Process for filling cavities using deformable hollow bodies
05/17/1990DE3838299A1 Apparatus for the automatic cleaning of facade areas, in particular window and wall areas on a building
05/16/1990EP0367805A1 Heavy duty plate shear
05/10/1990DE3935589A1 Mechanism enlarging chimney bore by rotary tool - inserts angular drive through inspection aperture in chimney base, with tool moved from top to base
05/10/1990DE3837655A1 Verfahren zum verfuellen von hohlraeumen mittels verformbarer hohlkoerper A method for filling cavities by means of deformable hohlkoerper
05/08/1990US4923251 Apparatus for removing asbestos and like materials from a surface
05/08/1990US4922806 Doors for negative air pressure enclosure
05/03/1990DE3837121A1 Injection hose or tube
05/02/1990EP0365707A1 Cleaning apparatus for façades and similar surfaces
04/1990
04/26/1990DE3838320A1 Process for repairing damaged coverings or the like by applying coatings
04/25/1990EP0364484A1 Improvements in ties for building structures.
04/24/1990US4918880 Deck seat and safety rail combination
04/11/1990EP0363276A1 Aligning clip for abutting partition panels
04/11/1990EP0258275B1 Boom operated demolition apparatus
04/05/1990WO1990003483A1 Machine for handling floor-covering elements
04/04/1990EP0362098A1 Shears for crushing concrete
03/1990
03/27/1990US4911773 Method for repairing damaged carpet
03/27/1990US4911188 Hydraulic ceiling-concrete remover
03/21/1990EP0359199A2 Mobile scaffold for working walls
03/14/1990EP0357761A1 Devices for treating waste water
03/08/1990DE3828476A1 Process for increasing the load-bearing capacity
03/06/1990US4906323 Carpet stripping assembly
03/06/1990US4905441 System for strengthening structural elements
03/06/1990US4905430 Method of consolidating cracks in a structure
02/1990
02/27/1990US4904329 Injecting pulses of air-free stripping fluid under pressure through needle nozzle into adhesive between coating and substrate to soften or decompose it
02/27/1990US4903408 Steel plate cutter
02/13/1990US4899910 Repair of cracks in concrete structures
02/01/1990DE3920795A1 Asymmetrical diesters and the use thereof in the construction industry
01/1990
01/30/1990US4897121 Removal process of asbestos-filled linings or coatings
01/25/1990DE3824383A1 Method and mobile devices for renovating buildings by making solid materials, which are detrimental to health and give off dust, capable of being dumped in an environmentally friendly way
01/24/1990EP0351668A1 Dowel for façades
01/24/1990EP0351481A1 Device for treating, especially scraping, the walls between a floor and a ceiling, and method for operating the device
01/23/1990US4894971 Board repair for correcting defects in lumber or the like
01/17/1990EP0351243A1 An extendible structural beam
01/17/1990EP0350822A2 Process for renovating the corrosion prevention of tension elements of bridges or similar stayed constructions, and apparatus for carrying out this process
01/16/1990US4894102 Method for refinishing building panels
01/11/1990DE3839261C1 Process and apparatus for pulling down essentially hollow-cylindrical structures, such as chimneys
01/09/1990US4892601 Pole repair system
01/02/1990US4890798 Structure crushing equipment
12/1989
12/26/1989US4888926 Floor Squeak Eliminator
12/26/1989US4888846 Asbestos scraper
12/20/1989EP0347371A1 Crushing tongs for demolishing building structures, especially reinforced-concrete walls
12/20/1989EP0347075A2 Asbestos removal system
12/20/1989EP0346643A2 Device for superficially dissolving the adhesive layer of glued wall and floor coverings
12/13/1989EP0346002A1 Panel fastener clip and method of panel assembly
12/05/1989US4884922 Filling cracks in artificial and natural structures
11/1989
11/30/1989DE3913379A1 Method and arrangement for non-mechanical destruction of concrete/reinforced concrete and rocks
11/30/1989DE3817333A1 Roof coverings for insulating, in particular, new or damaged flat roofs, and process for the production thereof
11/28/1989US4883396 Dual expansion and non-expansion anchor
11/21/1989US4882219 Beads in resin binder
11/16/1989DE3901013A1 Injection packer for pressing fluid compositions into cracked structural bodies with a valve
11/14/1989US4880491 Guided roofing materials removal apparatus
11/02/1989EP0339261A2 Device for uncovering the reinforcement rods in concrete piles
10/1989
10/26/1989DE3812447A1 Process for renovating a wooden-joist floor in old buildings, and renovated wooden-joist floor
10/24/1989CA1262402A1 Method and apparatus for panel edge coupling
10/19/1989WO1989009865A1 Sectional element for making an edge mould
10/18/1989EP0337641A1 Wall ties
10/11/1989EP0336676A1 Gear lock quick disconnect mechanism for articulated machine
10/10/1989US4872264 Heavy duty plate shear
09/1989
09/27/1989EP0333849A1 Washing device mounted on a motor vehicle and comprising a rotary washing arm which delivers jets of pressurized hot water for cleaning various surfaces
09/26/1989US4869753 Method for repairing the near-surface layers of buildings reinforced with constructional steel
09/21/1989DE3806985A1 Process and apparatus for disposing of dirty water arising from facade cleaning
09/20/1989CN1035631A Heavy duty plate shear
09/19/1989US4867791 Process for subsurface reconstruction of buildings reinforced with constructional steel
09/19/1989US4866901 Deteriorated eavepost repair apparatus for houses having same
09/19/1989CA1259749A1 Method of stopping leakage of water in concrete structure and impregnating agent for use in said method
09/14/1989DE3807136A1 Process for repairing chimneys, and apparatus for carrying out the individual process steps
09/14/1989DE3806759A1 Process for repairing a hollow-cylindrical structural body, in particular a chimney consisting of reinforced concrete, and set of structural elements for carrying out this process
09/12/1989US4865702 Process of electrochemically re-alkalizing reinforced concrete
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