| Patents for E01D 21 - Methods or apparatus specially adapted for erecting or assembling bridges (6,388) |
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| 02/29/1996 | CA2174518A1 Method and apparatus for erecting building structures |
| 02/22/1996 | WO1996005375A1 Construction of large structures by robotic crane placement of modular bridge sections |
| 02/15/1996 | WO1996004197A1 Apparatus and method for reinforcing vertical columns |
| 02/15/1996 | CA2196313A1 Apparatus and method for reinforcing vertical columns |
| 12/07/1995 | DE4435677C1 Method for prodn. of bridge |
| 10/18/1995 | CN1110350A Bridging method using leverage principle |
| 09/13/1995 | EP0670933A1 Construction method. |
| 09/08/1995 | WO1995023898A1 Composite reinforcement for support columns |
| 08/22/1995 | CA2061871C Composite, prestressed structural member and method of forming same |
| 06/20/1995 | US5425152 Bridge construction |
| 06/14/1995 | CN1103701A Bridge span erecting machine |
| 06/14/1995 | CN1103689A Bridge span erecting machine composed with emergency beams |
| 06/07/1995 | EP0656085A1 Bridge construction |
| 05/24/1995 | CN2198307Y Bridge erecting mechanism and connection device of bridge end |
| 04/20/1995 | DE4333250A1 Apparatus and method for mounting and dismounting bridges, in particular temporary bridges, in existing railway tracks |
| 02/08/1995 | EP0637647A1 Metalgirder element for the construction of composite elongated structures like box beams, method for using the element and elongated structure manufactured by this method |
| 09/28/1994 | EP0617171A1 Method for erecting a suspension bridge and device therefor |
| 09/01/1994 | DE4306040A1 Method and device for transverse displacement of bridge construction elements produced with a camber |
| 06/22/1994 | EP0603060A1 Prefabricated plate and method for making a bridge using such plates |
| 06/09/1994 | WO1994012728A1 Construction method |
| 05/24/1994 | CA2083551A1 Installation system for bridge girders |
| 05/04/1994 | EP0494200B1 Method for the fabrication of a composite bridge structure |
| 04/27/1994 | EP0594151A1 Method and device for erecting long spanning girders, particularly on viaducts |
| 04/26/1994 | US5305575 Composite, prestressed structural member and method of forming same |
| 04/26/1994 | US5305572 Long span post-tensioned steel/concrete truss and method of making same |
| 04/12/1994 | US5301483 Composite, prestressed structural member and method of forming same |
| 04/05/1994 | US5299445 Method of post-tensioning steel/concrete truss before installation |
| 03/16/1994 | CN1083885A Bridge construction |
| 03/08/1994 | CA2055377C Long span post-tensioned steel/concrete truss and method of making same |
| 03/03/1994 | WO1994004756A1 Bridge construction |
| 01/05/1994 | EP0577004A1 Anchoring device |
| 11/16/1993 | US5261137 Method of erecting a span between two points |
| 10/13/1993 | CN2143634Y Triangular crane for bridge suspension assembling |
| 06/17/1993 | DE4141331A1 Trussed bridge with top and bottom flanges and diagonal braces - consists of prefabricated members transported to site for assembly on which reinforced or prestressed concrete road is laid |
| 06/08/1993 | US5216773 Method of formation and installation of a floating bridge |
| 05/19/1993 | EP0541619A1 Construction equipment and method. |
| 05/06/1993 | DE4213986C1 Sectional construction of bridge deck - uses straight prestressing elements, some external and some buried in concrete |
| 05/05/1993 | CN1020491C Concrete arch, its construction and utilization |
| 03/25/1993 | DE4131214A1 Frame for multi-span deck bridge - has transverse girders formed as bridge bearing beams, supported on piers |
| 03/23/1993 | US5195204 Construction equipment and method for precast segmental bridges |
| 11/19/1992 | EP0514256A1 Process for making structures like bridges and structures so obtained |
| 09/08/1992 | US5144710 Composite, prestressed structural member and method of forming same |
| 09/02/1992 | EP0501730A1 Composite, prestressed structural member and method of forming same |
| 08/26/1992 | EP0500221A1 Method and apparatus for constructing long span, shell-shaped, substantially horizontal concrete structures |
| 08/04/1992 | US5134741 Bridge structure prefabricated with positive imprint end panels |
| 07/15/1992 | EP0494200A1 Method for the fabrication of a composite bridge structure. |
| 07/15/1992 | CN2110033U Reserve steel arch frame |
| 04/30/1992 | WO1992007144A1 Process for building structural works comprising an arch and prefabricated parts for carrying out said process |
| 04/14/1992 | US5104089 Concrete pouring form system for bridge overhang decks |
| 03/19/1992 | WO1992002681A3 Construction equipment and method |
| 03/03/1992 | US5092559 Concrete form support assembly |
| 03/03/1992 | US5092096 Temporary bridge joist support bracket |
| 02/20/1992 | WO1992002681A2 Construction equipment and method |
| 02/05/1992 | EP0469182A2 Device for lifting, lowering and the water carriage of heavy loads |
| 01/28/1992 | US5083739 Concrete form support bracket for bridge overhang decks |
| 12/27/1991 | EP0462614A1 Cable stayed bridge construction |
| 12/27/1991 | EP0462350A1 Segment and method for prefabricating bridges and similar structures |
| 12/11/1991 | CN2090391U Concrete bridge cross travelling machine |
| 12/03/1991 | CA1292600C Bridge with deck and supporting means, in particular large span cable-stayed bridge and construction method |
| 10/29/1991 | US5060332 Cable stayed bridge construction |
| 07/25/1991 | DE4000987A1 Composite bridge of steel and concrete - comprises carriageway of concrete planks with voids between filled with concrete and reinforcement |
| 05/29/1991 | CN1051772A Concrete arch, its construction and utilization |
| 05/02/1991 | DE4025355A1 Construction of piers for bridge spanning river - by forming concrete foundation inside double walled shuttering |
| 04/17/1991 | EP0423029A1 Device and method for lifting and moving objects |
| 04/03/1991 | CN2074320U Automatic continuous thruster for bridge construction |
| 03/27/1991 | WO1991005120A1 Method for the fabrication of a composite structure |
| 03/05/1991 | CA1280869C Construction transportation system |
| 02/19/1991 | US4993094 Bridge comprising a bridge floor and elements supporting said floor, particularly a long span cable-stayed bridge, and process of construction |
| 12/21/1990 | CA2019175A1 Method and apparatus for prefabricating bridges and similar structures, with simultaneous casting of the segments forming a span |
| 12/18/1990 | US4977636 Pile supported bridge assembly |
| 09/04/1990 | CA1273456A1 Launching system for bridge bays, especially continuous-beam bridges made up of prefabricated segments and to be tightened upon installation by means of prestressed wires |
| 08/30/1990 | DE4005951A1 Rail for sliding heavy structural elements into position - uses hydraulic cylinder to move elements along rail |
| 05/03/1990 | DE3836568A1 Falsework for reinforced concrete bridges for universal use as a stationary and displaceable falsework |
| 01/10/1990 | EP0350139A2 A method for forming a composite structural member |
| 01/02/1990 | US4890959 Transportation and construction method |
| 10/17/1989 | US4873738 Apparatus for stripping concrete forms from bridge structures |
| 10/12/1989 | DE3810366A1 Method for the production of a superstructure spandrel-braced on an arch supporting framework |
| 07/26/1989 | EP0325574A1 Semi-prefabricated bridge |
| 07/11/1989 | US4846433 Adjustable hanger |
| 05/17/1989 | CN2037747U 火箭锚 Rocket |
| 04/13/1989 | DE3733627A1 Method and apparatus for the sectional construction of prestressed-concrete bridges independently of terrain |
| 03/14/1989 | US4811681 Construction transportation system |
| 03/07/1989 | US4809636 Construction transportation assembly |
| 03/07/1989 | CA1250752A1 Transportation and construction method |
| 12/28/1988 | EP0185071B1 Bridge transporting and launching trailer and method |
| 12/22/1988 | DE3719778C1 Apparatus for transporting and laying beam-like supports made of steel, reinforced or prestressed concrete |
| 10/26/1988 | EP0288350A1 Bridge consisting of a deck and its supporting means, especially a large-span cable-stayed bridge, and its construction process |
| 10/06/1988 | WO1988007604A1 Bridge comprising a bridge floor and elements supporting said floor, particularly a long span cable-stayed bridge, and process of construction |
| 08/17/1988 | EP0278078A1 Plant for producing an elongate structure |
| 07/27/1988 | EP0275412A2 Method of producing an elongate structure |
| 06/21/1988 | CA1238204A1 Adjustable formwork for concrete structures |
| 05/18/1988 | CN87211619U Adjustable tension apparatus with the balance of all forces concerned |
| 01/14/1988 | DE3621611A1 Arched bridge and method for the construction thereof |
| 01/13/1988 | CN87204005U Bridge-turning construction equipment |
| 12/15/1987 | US4712335 Method of span construction |
| 12/08/1987 | US4710994 Method of forming a composite structural member |
| 12/08/1987 | CA1229961A1 Bridge with prefabricated sections and with external prestressing by cables |
| 11/17/1987 | US4706317 Concrete train paving apparatus and method |
| 09/17/1987 | DE3607309A1 Sliding device for the construction of a concrete bridge superstructure in sections |
| 09/15/1987 | US4692955 Method for erecting a bridge superstructure of prestressed concrete and launching girder for performing the same |