Patents
Patents for E01D 22 - Methods or apparatus for repairing or strengthening existing bridges (1,532)
12/1997
12/18/1997WO1997047819A1 Method for reinforcing an asphalt applied concrete structure
12/09/1997US5694734 Curing of filament wound columns using a radiant heater
11/1997
11/19/1997EP0656085B1 Bridge construction
11/12/1997CN1164846A Apparatus and method for reinforcing vertical columns
11/06/1997WO1997041320A1 High elongation reinforcement for concrete
11/04/1997US5682635 Bridge and road construction and method of removing worn deck structure
10/1997
10/29/1997EP0803020A1 Securing of reinforcing strips
10/28/1997US5680739 Apparatus and method for reinforcing a stationary vertical column
10/28/1997US5680664 Suitable for long spans
10/21/1997US5678374 Method of reinforcing concrete made construction and fixture used therefor
09/1997
09/30/1997US5671572 Method for externally reinforcing girders
09/04/1997WO1997032084A1 Method of repairing and reinforcing prestressed concrete structure
08/1997
08/19/1997US5657595 Fabric reinforced beam and column connections
06/1997
06/26/1997WO1997022763A1 Curing of filament wound columns using a radiant heater
06/12/1997WO1997020989A1 Improvements to methods for rehabilitating suspension bridges, and to bridges thereby rehabilitated
06/03/1997US5635263 Reinforcing fiber sheet and concrete structure using same
06/03/1997US5634312 Shear bolt connected structural units
06/03/1997US5634308 Module combined girder and deck construction
05/1997
05/27/1997US5633057 Composite reinforcement for support columns
05/22/1997WO1997018355A1 Method for building a bridge and bridge built according to said method
05/22/1997CA2237867A1 Method for building a bridge and bridge built according to said method
05/21/1997EP0773904A1 Apparatus and method for reinforcing vertical columns
05/09/1997WO1997016602A1 Method of repairing/reinforcing existing structures and anisotropic woven fabrics used therefor
05/02/1997EP0770160A1 Method and device for the repair of bridge joints
02/1997
02/27/1997WO1997007289A1 Reinforcing masonry structures
01/1997
01/16/1997WO1997001686A1 Fabric reinforced beams and beam connections
01/16/1997CA2225853A1 Fabric reinforced beams and beam connections
12/1996
12/15/1996CA2178286A1 Method of reinforcing concrete made construction and fixture used therefor
12/15/1996CA2178285A1 Method of reinforcing concrete made construction and fixture used therefor
12/04/1996CN2241877Y Cantilever hanging bridge beam detection and maintenance trail car
11/1996
11/26/1996CA2078738C Bridge construction
10/1996
10/22/1996US5566414 Bridge raising/supporting method and bearing device for the method
10/15/1996US5565032 Apparatus for long-range preservation by liquid-air injection into porous structures - roads, bridges, building, infrastructure and embedded steel masonry
09/1996
09/04/1996CN1130228A Bridge raising/supporting method and bearing device for the method
08/1996
08/13/1996US5545987 Monitoring device for tension members of soil or rock anchors, compression members of poles, prestressing elements for prestressed concrete structures and bridge cables
08/07/1996EP0724669A1 Process and device for moving a travelling scaffolding around bridge piers
07/1996
07/23/1996US5537794 Shear bolt connected structural units
07/18/1996WO1996021785A1 Securing of reinforcing strips
05/1996
05/02/1996WO1996012588A1 Shape-memory material repair system and method of use therefor
05/01/1996EP0709524A1 Method of reinforcing concrete slabs
04/1996
04/29/1996CA2161361A1 Method of reinforcing concrete slab
04/09/1996US5504956 Guide groove at bridge sections or the like of portable bridges and method for repairing the same
02/1996
02/28/1996EP0698154A1 A building structure
02/15/1996WO1996004197A1 Apparatus and method for reinforcing vertical columns
02/15/1996CA2196313A1 Apparatus and method for reinforcing vertical columns
01/1996
01/18/1996WO1996001342A1 Method and device for the repair of bridge joints
01/16/1996US5484035 Trailer and environmentally safe work platform system
01/02/1996US5479748 Friction connector for anchoring reinforcement tendons in reinforced or pre-stressed concrete girders
09/1995
09/08/1995WO1995023898A1 Composite reinforcement for support columns
07/1995
07/11/1995US5430903 Suspended walkway
06/1995
06/28/1995EP0659938A1 Environmentally safe work platform
06/27/1995US5427819 Removal of damaged concrete, repeated saturation of undamaged concrete with corrosion inhibiting solutions, drying, then covering and filling with low-permeability concrete mixture containing more corrosion inhibitors
06/20/1995US5425152 Bridge construction
06/07/1995EP0656085A1 Bridge construction
05/1995
05/23/1995US5417301 Environmentally safe work platform
04/1995
04/20/1995DE4333743A1 Method for replacing railway bridges
03/1995
03/29/1995EP0645239A1 Reinforcing fiber sheet and structure reinforced thereby
01/1995
01/26/1995WO1995002730A1 Process and device for moving a travelling scaffolding around bridge piers
11/1994
11/17/1994EP0490927B1 Device for inspecting the underside of bridges
11/10/1994WO1994025682A1 A building structure
10/1994
10/19/1994EP0418312B1 Load bearing concrete panel
09/1994
09/29/1994WO1994021433A1 Method for manufacturing columnar structures
07/1994
07/13/1994EP0605811A1 Monitoring device for structural elements in particular for tensioning devices in earth or rock anchors, pressure devices for piles, tensioning devices for prestressed concrete structures and bridge cables
06/1994
06/24/1994CA2112324A1 Monitoring device for structural elements, in particular for tension members of soil or rock anchors, compression members of poles, prestressingelements for prestressed concrete structures and bridge cables
06/07/1994US5318149 Apparatus for inspecting the underside of bridges
05/1994
05/17/1994US5311629 Deck replacement system with improved haunch lock
05/11/1994WO1994010389A1 Building or construction element
05/11/1994CA2148697A1 Building or construction element
05/10/1994US5309691 Shear connected structural units
04/1994
04/26/1994CA1328897C Movable platform for construction sites
03/1994
03/30/1994EP0589401A1 Method and apparatus for the dismounting and mounting of bridges
03/22/1994US5296187 Molding a reinforced columnular structure, positioning a nonwoven metal fiber mat in a cavity, slurrying and curing
03/16/1994CN1083885A Bridge construction
03/03/1994WO1994004756A1 Bridge construction
01/1994
01/11/1994US5277405 Temporary decking support
11/1993
11/03/1993EP0567659A1 Bridge-strengthening and method for its manufacture
10/1993
10/19/1993US5253731 Bridge underview device
10/13/1993EP0454709B1 Vehicle, in particular chassis for a bridge inspection device
09/1993
09/01/1993EP0558344A1 Apparatus for joining precast concrete units
08/1993
08/27/1993CA2090520A1 Shear bolt connected precast concrete units
06/1993
06/10/1993WO1993011314A1 Method of increasing towards an upper limit the carrying ability in constructions by optimization of the degree of utilization of reinforcement and similar strengthening elements
05/1993
05/13/1993WO1993009314A1 A device for material removing processing of substantially vertical material layers and method for renovating damaged, substantially vertical, constructions
05/12/1993EP0540952A1 Apparatus for preparing concrete surfaces for glueing reinforcement strips, especially in the interior of box girder bridges
03/1993
03/03/1993EP0464062B1 Device for inspecting the underside of bridges
01/1993
01/07/1993EP0521771A1 Method for enlarging a bridgespan
12/1992
12/01/1992US5167295 Vehicle, in particular a chassis of a bridge-underside inspection apparatus
09/1992
09/10/1992DE4106309A1 Replacing or inspecting bonded, prestressed concrete reinforcement - by softening or dissolving bonding resin using heat, solvent or microorganisms so reinforcing bar can be removed
06/1992
06/24/1992EP0490927A1 Device for inspecting the underside of bridges.
06/09/1992US5119731 Station on a railway or other line, situated on a viaduct
05/1992
05/26/1992US5115886 Movable platform for construction sites
01/1992
01/08/1992EP0464062A1 Device for inspecting the underside of bridges.
01/02/1992EP0463619A1 Method for renovating bridges
11/1991
11/06/1991EP0454709A1 Vehicle, in particular chassis for a bridge inspection device.
08/1991
08/27/1991US5042957 Moving type three-dimensional road
08/07/1991EP0418312A4 Load bearing concrete panel
07/1991
07/16/1991CA1286137C Exodermic deck conversion method
05/1991
05/14/1991US5014381 Rolling platform assembly
05/02/1991EP0425364A1 Station on a railway or other line, situated on a viaduct
03/1991
03/27/1991EP0418312A1 Load bearing concrete panel.
03/21/1991WO1991003603A1 Device for inspecting the underside of bridges
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