| Patents for E01D 22 - Methods or apparatus for repairing or strengthening existing bridges (1,532) |
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| 02/12/1991 | US4991248 Noncracking, shrinkage inhibition |
| 12/20/1990 | DE3919833A1 Changing friction bearings under bridge carriageway - by attaching new bearing to end of old before withdrawing old |
| 10/04/1990 | WO1990011407A1 Device for seeing below bridges |
| 07/31/1990 | US4944492 Wedge-type jack apparatus for raising structure while sustaining very large pressure due to same and temporarily supporting the structure |
| 07/26/1990 | WO1990008228A1 Vehicle, in particular chassis for a bridge inspection device |
| 07/26/1990 | CA2045635A1 Vehicle, in particular a chassis of a bridge-underside inspection device |
| 01/10/1990 | EP0350313A2 Movable platform for construction sites |
| 11/16/1989 | WO1989011003A1 Load bearing concrete panel |
| 02/23/1989 | WO1989001543A1 Process for protecting masonry or concrete structures from runoff water |
| 10/25/1988 | US4780021 Exodermic deck conversion method |
| 04/05/1988 | CA1234858A1 Structural bearing assembly |
| 09/15/1987 | US4692981 Process for replacing bridge bearings |
| 09/08/1987 | US4691399 Rehabilitation of steel truss bridges by means of reinforcing arches |
| 07/08/1987 | EP0227727A1 Expansible device applicable particularly to the wedging in constructions and works of civil engineering |
| 05/26/1987 | US4668548 Integrally-anchored fiber-reinforced concrete overlays and surfacings and method of making same |
| 01/15/1987 | WO1987000227A1 Expansible device applicable particularly to the wedging in constructions and works of civil engineering |
| 10/07/1986 | US4615063 Box girder and suspension assembly |
| 09/09/1986 | US4610486 Structural bearing assembly |
| 08/12/1986 | US4604841 Continuous, precast, prestressed concrete bridge deck panel forms, precast parapets, and method of construction |
| 06/25/1986 | EP0185342A2 Process for exchanging bridge bearings |
| 10/09/1985 | EP0157605A2 Structural bearing assembly |
| 05/22/1985 | EP0142468A1 Method of filling cracks in masonry constructions |
| 05/01/1984 | CA1166430A1 Device for effecting protective treatments on manufactures in concrete in operation as well as in prefabrication |
| 02/14/1984 | US4430841 Method of filling a crack in concrete |
| 12/06/1983 | US4418791 Device for enhancing the versatility of cranes or the like |
| 09/28/1983 | EP0089861A1 Method of reinforcing arches or similar constructions |
| 08/16/1983 | US4398959 Mortar topping with calcium nitrite |
| 08/09/1983 | US4397263 Hot air flow, impregnation with catalyzed monomer polymerizable with hot water |
| 11/24/1981 | US4301565 Method and system for the removal and replacement of a bridge |
| 03/20/1979 | US4145153 Method of replacing a roadway |
| 03/28/1978 | US4081200 Method and apparatus to remove structural concrete |
| 02/21/1978 | US4074790 Vehicle-borne inspection and maintenance apparatus |