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	23
14/26	Abutments and anchorages	11
14/25	Compound	9
14/77.1	Bridge construction method	136
14/77.3	Pier	17
14/74	Covering	11
14/73	Deck	160
14/73.1	Joint	82
14/31	Draw	5
14/47	Aprons	1
	Bascule
14/36	Fixed pivot	3
14/37	Hinged sections	3
14/38	Rack and pinion	2
14/41	Locking devices	4
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	0
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	0
14/52	Vertically sliding	0
14/53	Vertically swinging	2
14/43	Horizontally sliding	4
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	1
14/35	End supports and locking devices	4
14/33	Hand or motor operated	0
14/73.5	Expansion device (e.g., bearing pad)	78
14/27	Floating	52
14/28	Adjustable height	5
14/29	Draw	0
14/30	Locking	0
14/69.5	Gangway, ramp, or dock leveler	392
14/71.1	Attached	333
14/71.3	With lift means	218
14/71.5	Attached to fixed structure at first end and with cover and provision to fit vehicle at second end	155
14/71.7	Hydraulic powered	107
14/70	Endless conveyer	7
14/72.5	Wheeled	43
14/74.5	Girder	63
14/78	Miscellaneous	35
14/75	Pier	41
14/76	Fender	5
14/18	Suspension	44
14/22	Cables and cable clamps	51
14/19	Compound system	9
14/23	Constructive apparatus	16
14/20	Simple system	13
14/21	Towers and anchors	31
14/2.4	Transportable	107
14/2.6	Floating	27
14/2.5	Having launching means	37
14/2	Truss and arch	22
14/3	Truss	13
14/4	Arrangement	26
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	28
14/11	Intermediate catenary	1
	Details
14/14	Connections	38
14/15	End shoes	1
14/13	Structure	28