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Class Information
Number: 60/641
Name: Power plants >
Description:

Sub-classes under this class:

Class Number	Class Name	Patents
60/	Reaction motor (e.g., motive fluid generator and reaction nozzle, etc.) (60/200.1)	0
60/	Combustion products used as motive fluid (60/39.01)	0
60/200.1	Reaction motor (e.g., motive fluid generator and reaction nozzle, etc.)	72
60/272	Internal combustion engine with treatment or handling of exhaust gas	118
60/325	Pressure fluid source and motor	131
60/39.01	Combustion products used as motive fluid	35
60/495	Motor having a buoyant working member	65
60/508	Fluid within expansible chamber heated or cooled	47
60/516	Motor operated by expansion and/or contraction of a unit of mass of motivating medium	72
60/595	Internal combustion type free piston device supplies motive fluid to motor	60
60/596	Internal combustion type free piston device with pressure fluid starting means	6
60/597	Fluid motor means driven by waste heat or by exhaust energy from internal combustion engine	97
60/625	Internal combustion engine with structure rotating or starting it by pressure fluid	6
60/632	One shot explosion actuated expansible chamber type motor	101
60/639	Motor actuated by accumulating and dumping liquid or fluent material	31
60/641.1	Utilizing natural heat	59
60/642	Motive steam generated from hot water charge by reducing pressure above charge	1
60/643	Motive fluid energized by externally applied heat	35
60/685	Motor having exhaust fluid treating or handling means	62
60/698	System having plural motors or having diverse types of energy input	123
60/721	Miscellaneous	143
60/900	Excess air to internal combustion engine to assist exhaust treatment	2
60/901	Exhaust treatment special to rotary internal combustion engines	17
60/902	Rotary reactor, separator or treater of exhaust of an internal combustion engine	13
60/903	Closures operators	1
60/904	Propeller or air plane system	4
60/905	Winding and reeling	22
60/906	Engine speed responsive throttle control system	4
60/907	Working member positioned against counterforce by constantly applied motive fluid	3
60/908	Washing machine system	1
60/909	Reaction motor or component composed of specific material	47
60/910	Free piston	3
60/911	Fluid motor system incorporating electrical system	100
60/912	Cooling means	34
60/913	Collection of reggio patents	0
60/914	Explosive	0
60/915	Collection of goddard patents	1
60/916	Unitary construction	36
60/917	Solid fuel ramjet using pulverized fuel	11