Electricity: transmission to vehicles > Patents

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Class Information
Number: 191
Name: Electricity: transmission to vehicles >
Description: Means for transmitting electrical energy between relatively moving objects. Generally involves the problem of transmitting electrical energy from fixed points to vehicles or other moving objects, or vice versa.

Class Number	Class Name	No. of Patents
191/45R	Collectors	33
191/47	Bar	1
191/48	Conduit plow	10
191/46	Convertible	1
191/95	Nonretracting trolley stops	0
191/45A	Suspended conveyors	14
191/49	Third-rail shoe	31
191/85	Trolley retrievers	6
191/86	Erector release	1
191/87	Fluid pressure erector	9
191/88	Spring erector	1
191/89	Toggle	1
191/90	Fluid pressure-retracted	4
191/91	Spring-retracted	1
191/92	Rope-actuated	0
191/93	Slack take-up	0
191/94	Weight-retracted	1
191/50	Trolley	13
191/51	Common wire passing	1
191/52	Detachable	1
191/72	Guards and finders	2
191/73	Constantly operative	1
191/74	Fixed	2
191/75	Spiral cam replacer	0
191/76	Star wheel	3
191/82	Normally inoperative	0
191/83	Automatic	3
191/84	Rope-actuated	0
191/77	Normally operative	1
191/78	Automatic	1
191/79	Rope-retracted	0
191/80	Lateral swing	0
191/81	Longitudinal swing	0
191/59	Heads	1
191/60.4	Axial slide	4
191/62	Ice clearers or preventers	3
191/60.2	Lateral swing	5
191/60.5	Pole couplings	3
191/59.1	Sliding contact	46
191/60	Swivel	2
191/60.1	Center bias	1
191/60.3	Vertical swing	12
191/61	Wheel to head contactor	2
191/63	Wheels	5
191/63.2	Lateral slide	0
191/63.5	Pin fasteners	0
191/63.1	Quick release	0
191/63.4	Slidable pins	0
191/63.3	Universal mount	0
191/54	Indefinite path	1
191/55	Bow	8
191/56	Roller	1
191/57	Multiple contact	11
191/58	Tandem	10
191/53	Nonunderrunning	5
191/64	Poles	8
191/65	Frames	9
191/71	Rope protectors	0
191/66	Stands	15
191/67	Fluid pressure erector	6
191/68	Spring erector	6
191/70	Tension or compression	7
191/69	Torsion	0
191/22R	Conductors	41
191/22C	At or below ground surface	12
191/23R	Conduit	33
191/24	Asymmetric	0
191/25	Closing	14
191/26	Draining	1
191/27	Heated	5
191/23A	Overhead conduit conductors	37
191/28	Special modifications	1
191/22DM	Rail, made of multiple materials	26
191/29R	Third rail	28
191/29DM	Conductor made from different materials	25
191/30	Protected	19
191/31	Closing	9
191/32	Supports	19
191/33R	Trolley	17
191/33PM	Cables made of multiple material	5
191/37	Crossings	6
191/35	Guarded	6
191/34	Nonunderrunning	4
191/39	Section insulators	21
191/36	Special intersections	1
191/44.1	Splicers	12
191/40	Supports	24
191/41	Catenary	12
191/42	Combined ears and insulator	2
191/43	Ears	2
191/44	Splices	1
191/38	Switches	12
191/9	Drawbridge and transfer table	1
191/12R	Flexible extensions	112
191/12C	Chain protectors	29
191/12S	Electric iron stands	2
191/12.2R	Reels	184
191/12.2A	Motor-operated	51
191/12.4	With connector plug or receptacle	146
191/10	Magnetic induction	60
191/1R	Miscellaneous	17
191/1A	Electroplating contact rolls	3
191/13	Plate conductor	5
191/14	Sectional conductor	12
	Normally dead section
191/17	Magnetic circuit controller	2
191/18	Magnet on vehicle	10
191/19	Traveling controller	0
191/16	Magnetomechanical circuit controller	0
191/20	Mechanical circuit controller	2
191/21	Deformable conductor	3
191/15	Normally live section	10
191/2	Systems of distribution	38
191/7	Alternating-alternating	1
191/3	Convertible, multiple current source	6
191/5	Alternating direct	5
191/4	Internal and external	26
191/8	Safety cut-out	6
191/6	Sectional	21
191/11	Vehicle in series	9