Bridges > Patents - Class: 14

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Class Information
Number: 14
Name: Bridges >
Description: This class includes all structures by which a roadway or railroad is carried across a space intervening between supports and all structures, such as gates, etc., whose operation is dependent upon the operation of the bridge (as in drawbridges). Included in this class are both construction techniques and methods for building a bridge, regardless of type.

Class Number	Class Name	No. of Patents
14/24	Arch	28
14/26	Abutments and anchorages	11
14/25	Compound	10
14/77.1	Bridge construction method	161
14/77.3	Pier	23
14/74	Covering	12
14/73	Deck	180
14/73.1	Joint	87
14/31	Draw	6
14/47	Aprons	2
	Bascule
14/36	Fixed pivot	5
14/37	Hinged sections	5
14/38	Rack and pinion	2
14/41	Locking devices	5
14/39	Nonpivoted	0
14/40	Rack and pinion	0
14/48	Buffers	0
14/50	Gates	1
	Bridge operated
	Displacement
14/54	Horizontally sliding	0
14/55	Locking	0
14/56	Horizontally swinging	2
14/57	Locking	1
14/58	Vertically sliding	1
14/59	Locking	0
14/60	Vertically swinging	0
14/61	Locking	0
	Shaft rotation
14/62	Horizontally sliding	1
14/63	Locking	1
14/64	Horizontally swinging	1
14/65	Locking	1
14/66	Vertically sliding	0
14/67	Locking	1
14/68	Vertically swinging	1
14/69	Locking	0
	Hand or motor operated
14/51	Horizontally swinging	1
14/52	Vertically sliding	0
14/53	Vertically swinging	3
14/43	Horizontally sliding	5
14/44	Boat operated	0
14/45	Lazy tongs	1
14/42	Lift	4
14/46	Locking devices	3
14/49	Signals	1
14/32	Swing	1
14/34	Boat operated	2
14/35	End supports and locking devices	4
14/33	Hand or motor operated	0
14/73.5	Expansion device (e.g., bearing pad)	87
14/27	Floating	58
14/28	Adjustable height	5
14/29	Draw	0
14/30	Locking	0
14/69.5	Gangway, ramp, or dock leveler	465
14/71.1	Attached	392
14/71.3	With lift means	263
14/71.5	Attached to fixed structure at first end and with cover and provision to fit vehicle at second end	177
14/71.7	Hydraulic powered	110
14/70	Endless conveyer	9
14/72.5	Wheeled	49
14/74.5	Girder	81
14/78	Miscellaneous	47
14/75	Pier	48
14/76	Fender	5
14/18	Suspension	48
14/22	Cables and cable clamps	60
14/19	Compound system	11
14/23	Constructive apparatus	19
14/20	Simple system	13
14/21	Towers and anchors	31
14/2.4	Transportable	118
14/2.6	Floating	34
14/2.5	Having launching means	44
14/2	Truss and arch	23
14/3	Truss	17
14/4	Arrangement	28
14/5	Adjustable	9
14/12	Both chords curved	3
14/9	Bowstring	4
14/10	Adjustable	9
14/7	Cantilever	7
14/8	Suspension	3
14/6	Deck	32
14/11	Intermediate catenary	2
	Details
14/14	Connections	40
14/15	End shoes	1
14/13	Structure	32