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Class Information
Number: 14/73.5
Name: Bridges > Expansion device (e.g., bearing pad)
Description: Subject matter including means between a bridge component and a support base (e.g., the earth, a column, pier, wall, or abutment) which allows slight movement of the bridge with respect to the base.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8671489 Device for bridging an expansion joint Mar. 18, 2014
8499395 Damage resistant bridge construction Aug. 6, 2013
8438795 Multi-directional torsional hysteretic damper (MTHD) May. 14, 2013
8402702 Aseismic sliding isolation system using hydromagnetic bearings Mar. 26, 2013
8351687 Bearing and expansion joint system including same Jan. 8, 2013
8277164 Hoist suspension frame for flatbed trailers Oct. 2, 2012
8220095 Highway overpass bridge modification system and method Jul. 17, 2012
8171590 Anti-expansion joint bridge constructed through detailed survey for bridge May. 8, 2012
8006339 Prefabricated articulating pier cap Aug. 30, 2011
7757450 Control joint Jul. 20, 2010
7634832 Bridge sleeper supporting pad Dec. 22, 2009
7571577 Blast protective barrier system Aug. 11, 2009
7389555 Large resisting distortion comb-type bridge expansion joint Jun. 24, 2008
7367075 Girder bridge protection device using sacrifice member May. 6, 2008
7354219 Multi-seal waterproof expansion joint for roadways Apr. 8, 2008
7281287 Prop-type damping device Oct. 16, 2007
6971795 Seismic isolation bearing Dec. 6, 2005
6722088 Elevated bridge infrastructure and design method for designing the same Apr. 20, 2004
6609265 Seismic proof articulating bridge deck expansion joint Aug. 26, 2003
6499170 Seismic load transmitting system based on impact mechanism for multi-span continuous bridges Dec. 31, 2002
6460214 Vibration resistive instant responding roadway or bridge expansion joint and construction method of the same Oct. 8, 2002
6412982 High ground pressure elastic support Jul. 2, 2002
6393644 Bridge joint May. 28, 2002
6363564 Three-piece bridge joint Apr. 2, 2002
6325576 High throughput hole forming system with multiple spindles per station Dec. 4, 2001
6249925 Bridge of shock-absorbing construction Jun. 26, 2001
6178706 Movement limiting device for bridge bearing Jan. 30, 2001
6022169 Expansion joint apparatus Feb. 8, 2000
6018834 Method for building a bridge and bridge built according to said method Feb. 1, 2000
5920938 Method for rejuvenating bridge hinges Jul. 13, 1999
5918339 Antiseismic energy dissipator for structures such as viaducts and the like Jul. 6, 1999
5906084 Modular decking system May. 25, 1999
5863148 Prefabricated highway with end supports Jan. 26, 1999
5832678 Seismic portal Nov. 10, 1998
5775038 Fixed point seismic buffer system Jul. 7, 1998
5600860 Dilation joint for bridges and viaducts Feb. 11, 1997
5597240 Structural bearing Jan. 28, 1997
5566414 Bridge raising/supporting method and bearing device for the method Oct. 22, 1996
5553342 Bridge structure including shock transmission units Sep. 10, 1996
5537790 Seismic bridge Jul. 23, 1996
5505026 Aseismatic load-supporting structure for elevated constructions Apr. 9, 1996
5466068 Articulated bearing for heavy loads Nov. 14, 1995
5349712 Variable damper for bridges and bridge Sep. 27, 1994
5324117 Laminated rubber bearing Jun. 28, 1994
5215382 Isolation bearing for structures with transverse anchor rods Jun. 1, 1993
5071261 Earthquake-bearing Dec. 10, 1991
5054251 Structural shock isolation system Oct. 8, 1991
5014474 System and apparatus for limiting the effect of vibrations between a structure and its foundation May. 14, 1991
4955098 Pot-shaped support for structures, especially bridge structures Sep. 11, 1990
4928339 Pot-type bearing for constructions such as bridges or the like May. 29, 1990

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