U.S. patents subclasses for class: Bridges


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Title
Abutments and anchorages
Adjustable
Adjustable height
Aprons
ARCH
Arrangement
Attached
Attached to fixed structure at first end and with cover and provision to fit vehicle at second end
Boat operated
Both chords curved
Bowstring
BRIDGE CONSTRUCTION METHOD
Buffers
Cables and cable clamps
Cantilever
Compound
Compound system
Connections
Constructive apparatus
COVERING
DECK
Draw
End shoes
End supports and locking devices
Endless conveyer
EXPANSION DEVICE (E.G., BEARING PAD)
Fender
Fixed pivot
Floating
GANGWAY, RAMP, OR DOCK LEVELER
Gates
GIRDER
Hand or motor operated
Having launching means
Hinged sections
Horizontally sliding
Horizontally swinging
Hydraulic powered
Intermediate catenary
Joint
Lazy tongs
Lift
Locking
Locking devices
MISCELLANEOUS
Nonpivoted
PIER
Rack and pinion
Signals
Simple system

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