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Class   417PUMPS
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[List of Pre Grant Publications for class 417 subclass 1][List of Patents for class 417 subclass 1]1 CONDITION RESPONSIVE CONTROL OF PUMP DRIVE MOTOR
[List of Pre Grant Publications for class 417 subclass 2][List of Patents for class 417 subclass 2]2 Subclass 2 indent level is 1 Plural pumps having separate drive motors, supply sources, or delivery destinations
[List of Pre Grant Publications for class 417 subclass 3][List of Patents for class 417 subclass 3]3 Subclass 3 indent level is 2 Pumps in parallel flow paths with common inflow or outflow
 [List of Pre Grant Publications for class 417 subclass 9][List of Patents for class 417 subclass 9]9 Subclass 9 indent level is 1 By stopping pump in response to leakage into or from system
 [List of Pre Grant Publications for class 417 subclass 10][List of Patents for class 417 subclass 10]10 Subclass 10 indent level is 1 By controlling starter motor for internal combustion engine
 [List of Pre Grant Publications for class 417 subclass 11][List of Patents for class 417 subclass 11]11 Subclass 11 indent level is 1 By controlling free piston internal combustion engine
 [List of Pre Grant Publications for class 417 subclass 12][List of Patents for class 417 subclass 12]12 Subclass 12 indent level is 1 Having timer or delay means
 [List of Pre Grant Publications for class 417 subclass 13][List of Patents for class 417 subclass 13]13 Subclass 13 indent level is 1 Responsive to pump lubricant, sealant, or coolant condition
 [List of Pre Grant Publications for class 417 subclass 14][List of Patents for class 417 subclass 14]14 Subclass 14 indent level is 1 Having ambient condition responsive means
 [List of Pre Grant Publications for class 417 subclass 15][List of Patents for class 417 subclass 15]15 Subclass 15 indent level is 1 With control of pump drive transmission
 [List of Pre Grant Publications for class 417 subclass 16][List of Patents for class 417 subclass 16]16 Subclass 16 indent level is 1 With plural separate drive motors for single pump unit
 [List of Pre Grant Publications for class 417 subclass 17][List of Patents for class 417 subclass 17]17 Subclass 17 indent level is 1 With plural separate drive motor controlling elements
[List of Pre Grant Publications for class 417 subclass 18][List of Patents for class 417 subclass 18]18 Subclass 18 indent level is 1 Single motor control element responsive to means sensing diverse conditions
 [List of Pre Grant Publications for class 417 subclass 19][List of Patents for class 417 subclass 19]19 Subclass 19 indent level is 2 Sensing both inlet and outlet conditions
 [List of Pre Grant Publications for class 417 subclass 20][List of Patents for class 417 subclass 20]20 Subclass 20 indent level is 2 One condition is rate of flow to or from pump
 [List of Pre Grant Publications for class 417 subclass 21][List of Patents for class 417 subclass 21]21 Subclass 21 indent level is 2 One is motive fluid condition of fluid drive motor
[List of Pre Grant Publications for class 417 subclass 22][List of Patents for class 417 subclass 22]22 Subclass 22 indent level is 2 One condition is speed of pump
 [List of Pre Grant Publications for class 417 subclass 25][List of Patents for class 417 subclass 25]25 Subclass 25 indent level is 1 Relatively movable elements sensing same system pressure for single control element
[List of Pre Grant Publications for class 417 subclass 26][List of Patents for class 417 subclass 26]26 Subclass 26 indent level is 1 With condition responsive control of pump fluid valve
 [List of Pre Grant Publications for class 417 subclass 27][List of Patents for class 417 subclass 27]27 Subclass 27 indent level is 2 Having independent means for delaying valve actuation
 [List of Pre Grant Publications for class 417 subclass 28][List of Patents for class 417 subclass 28]28 Subclass 28 indent level is 2 Fluid and motor controls have common sensing element
[List of Pre Grant Publications for class 417 subclass 29][List of Patents for class 417 subclass 29]29 Subclass 29 indent level is 2 Fluid and motor controls separately responsive to diverse conditions
 [List of Pre Grant Publications for class 417 subclass 32][List of Patents for class 417 subclass 32]32 Subclass 32 indent level is 1 Responsive to pump or pump fluid temperature
 [List of Pre Grant Publications for class 417 subclass 33][List of Patents for class 417 subclass 33]33 Subclass 33 indent level is 1 Pump stop control means requiring manual reset
 [List of Pre Grant Publications for class 417 subclass 34][List of Patents for class 417 subclass 34]34 Subclass 34 indent level is 1 By controlling internal combustion drive engine
 [List of Pre Grant Publications for class 417 subclass 35][List of Patents for class 417 subclass 35]35 Subclass 35 indent level is 1 By controlling wind motor in response to liquid accumulation
[List of Pre Grant Publications for class 417 subclass 36][List of Patents for class 417 subclass 36]36 Subclass 36 indent level is 1 Responsive to accumulation of pumped liquid in receiver
 [List of Pre Grant Publications for class 417 subclass 37][List of Patents for class 417 subclass 37]37 Subclass 37 indent level is 2 By movable liquid receptacle
 [List of Pre Grant Publications for class 417 subclass 38][List of Patents for class 417 subclass 38]38 Subclass 38 indent level is 2 By liquid pressure sensor
 [List of Pre Grant Publications for class 417 subclass 39][List of Patents for class 417 subclass 39]39 Subclass 39 indent level is 2 With motive fluid supply communicating with liquid receiver
[List of Pre Grant Publications for class 417 subclass 40][List of Patents for class 417 subclass 40]40 Subclass 40 indent level is 2 By float
 [List of Pre Grant Publications for class 417 subclass 42][List of Patents for class 417 subclass 42]42 Subclass 42 indent level is 1 In response to pump speed
 [List of Pre Grant Publications for class 417 subclass 43][List of Patents for class 417 subclass 43]43 Subclass 43 indent level is 1 Responsive to change in rate of pump fluid flow
[List of Pre Grant Publications for class 417 subclass 44.1][List of Patents for class 417 subclass 44.1]44.1 Subclass 44.1 indent level is 1 By control of electric or magnetic drive motor
 [List of Pre Grant Publications for class 417 subclass 45][List of Patents for class 417 subclass 45]45 Subclass 45 indent level is 2 By changing electrical characteristic of motor or motor circuit
[List of Pre Grant Publications for class 417 subclass 44.2][List of Patents for class 417 subclass 44.2]44.2 Subclass 44.2 indent level is 2 Responsive to pump fluid pressure
 [List of Pre Grant Publications for class 417 subclass 44.11][List of Patents for class 417 subclass 44.11]44.11 Subclass 44.11 indent level is 2 Responsive to change in electrical operating characteristic
[List of Pre Grant Publications for class 417 subclass 46][List of Patents for class 417 subclass 46]46 Subclass 46 indent level is 1 By controlling drive motor motive fluid
 [List of Pre Grant Publications for class 417 subclass 47][List of Patents for class 417 subclass 47]47 Subclass 47 indent level is 2 Rotary nonexpansible chamber-type motor
[List of Pre Grant Publications for class 417 subclass 48][List of Patents for class 417 subclass 48]48 ELECTRICAL OR GETTER TYPE
 [List of Pre Grant Publications for class 417 subclass 49][List of Patents for class 417 subclass 49]49 Subclass 49 indent level is 1 Ionic with gettering
 [List of Pre Grant Publications for class 417 subclass 50][List of Patents for class 417 subclass 50]50 Subclass 50 indent level is 1 Electromagnetic
 [List of Pre Grant Publications for class 417 subclass 51][List of Patents for class 417 subclass 51]51 Subclass 51 indent level is 1 Getter heating, vaporizing, or regeneration
 [List of Pre Grant Publications for class 417 subclass 52][List of Patents for class 417 subclass 52]52 EXPANSION AND CONTRACTION OF PUMP FLUID
[List of Pre Grant Publications for class 417 subclass 53][List of Patents for class 417 subclass 53]53 PROCESSES
[List of Pre Grant Publications for class 417 subclass 54][List of Patents for class 417 subclass 54]54 Subclass 54 indent level is 1 Of pumping one fluid by contact or entrainment with another
 [List of Pre Grant Publications for class 417 subclass 55][List of Patents for class 417 subclass 55]55 Subclass 55 indent level is 2 Specific motive fluid
[List of Pre Grant Publications for class 417 subclass 56][List of Patents for class 417 subclass 56]56 DRILLED WELL FREE PISTON-TYPE PUMP
 [List of Pre Grant Publications for class 417 subclass 57][List of Patents for class 417 subclass 57]57 Subclass 57 indent level is 1 Having condition or position responsive control of pump discharge flow path
 [List of Pre Grant Publications for class 417 subclass 58][List of Patents for class 417 subclass 58]58 Subclass 58 indent level is 1 Having condition or position responsive control of motive fluid supply
 [List of Pre Grant Publications for class 417 subclass 59][List of Patents for class 417 subclass 59]59 Subclass 59 indent level is 1 Radially expansible piston portion controls pump and motor chamber intercommunication
 [List of Pre Grant Publications for class 417 subclass 60][List of Patents for class 417 subclass 60]60 Subclass 60 indent level is 1 Mechanically actuated valve carried by piston
 [List of Pre Grant Publications for class 417 subclass 61][List of Patents for class 417 subclass 61]61 BUOYANTLY SUPPORTED
 [List of Pre Grant Publications for class 417 subclass 62][List of Patents for class 417 subclass 62]62 ALTERNATE SERIES OR PARALLEL OPERATION OF PLURAL PUMPS
 [List of Pre Grant Publications for class 417 subclass 63][List of Patents for class 417 subclass 63]63 WITH SIGNAL, INDICATOR, OR INSPECTION MEANS
 [List of Pre Grant Publications for class 417 subclass 64][List of Patents for class 417 subclass 64]64 GAS PRESSURE EXCHANGE USING ROTARY CELLULAR CONVEYOR
[List of Pre Grant Publications for class 417 subclass 65][List of Patents for class 417 subclass 65]65 ONE FLUID PUMPED BY CONTACT OR ENTRAINMENT WITH ANOTHER
[List of Pre Grant Publications for class 417 subclass 66][List of Patents for class 417 subclass 66]66 Subclass 66 indent level is 1 Contact or entrainment within rotary impeller
 [List of Pre Grant Publications for class 417 subclass 67][List of Patents for class 417 subclass 67]67 Subclass 67 indent level is 2 Passage in impeller shaft for pumped or motive fluid
[List of Pre Grant Publications for class 417 subclass 68][List of Patents for class 417 subclass 68]68 Subclass 68 indent level is 2 Liquid ring
 [List of Pre Grant Publications for class 417 subclass 70][List of Patents for class 417 subclass 70]70 Subclass 70 indent level is 2 Peripheral motive fluid inlet
[List of Pre Grant Publications for class 417 subclass 71][List of Patents for class 417 subclass 71]71 Subclass 71 indent level is 2 Axial inlet for pumped fluid
[List of Pre Grant Publications for class 417 subclass 73][List of Patents for class 417 subclass 73]73 Subclass 73 indent level is 1 By ignition of motive fluid
 [List of Pre Grant Publications for class 417 subclass 74][List of Patents for class 417 subclass 74]74 Subclass 74 indent level is 2 With pumped fluid condition responsive ignition means
 [List of Pre Grant Publications for class 417 subclass 75][List of Patents for class 417 subclass 75]75 Subclass 75 indent level is 2 With fluid momentum utilizing means
[List of Pre Grant Publications for class 417 subclass 76][List of Patents for class 417 subclass 76]76 Subclass 76 indent level is 1 Jet pump with motive fluid generating pump
 [List of Pre Grant Publications for class 417 subclass 77][List of Patents for class 417 subclass 77]77 Subclass 77 indent level is 2 Recirculation of separated motive fluid
 [List of Pre Grant Publications for class 417 subclass 78][List of Patents for class 417 subclass 78]78 Subclass 78 indent level is 2 Entrainment at exit of impeller
[List of Pre Grant Publications for class 417 subclass 79][List of Patents for class 417 subclass 79]79 Subclass 79 indent level is 2 Jet delivers back to generating pump
 [List of Pre Grant Publications for class 417 subclass 84][List of Patents for class 417 subclass 84]84 Subclass 84 indent level is 2 Rotary nonexpansible chamber-type generating pump
[List of Pre Grant Publications for class 417 subclass 85][List of Patents for class 417 subclass 85]85 Subclass 85 indent level is 1 Diverse pumps
 [List of Pre Grant Publications for class 417 subclass 86][List of Patents for class 417 subclass 86]86 Subclass 86 indent level is 2 Including pneumatic displacement
[List of Pre Grant Publications for class 417 subclass 87][List of Patents for class 417 subclass 87]87 Subclass 87 indent level is 2 Including jet pump
[List of Pre Grant Publications for class 417 subclass 90][List of Patents for class 417 subclass 90]90 Subclass 90 indent level is 2 Including aerated column
[List of Pre Grant Publications for class 417 subclass 92][List of Patents for class 417 subclass 92]92 Subclass 92 indent level is 1 Liquid piston
[List of Pre Grant Publications for class 417 subclass 93][List of Patents for class 417 subclass 93]93 Subclass 93 indent level is 2 Moving contracting chamber
 [List of Pre Grant Publications for class 417 subclass 99][List of Patents for class 417 subclass 99]99 Subclass 99 indent level is 2 Mercury piston
 [List of Pre Grant Publications for class 417 subclass 100][List of Patents for class 417 subclass 100]100 Subclass 100 indent level is 2 Tide or wave
[List of Pre Grant Publications for class 417 subclass 101][List of Patents for class 417 subclass 101]101 Subclass 101 indent level is 2 Piston level responsive control for cyclic operation
 [List of Pre Grant Publications for class 417 subclass 103][List of Patents for class 417 subclass 103]103 Subclass 103 indent level is 2 Plural chambers
 [List of Pre Grant Publications for class 417 subclass 104][List of Patents for class 417 subclass 104]104 Subclass 104 indent level is 2 Momentum piston
[List of Pre Grant Publications for class 417 subclass 105][List of Patents for class 417 subclass 105]105 Subclass 105 indent level is 1 By condensation of motive fluid
 [List of Pre Grant Publications for class 417 subclass 106][List of Patents for class 417 subclass 106]106 Subclass 106 indent level is 2 Plural alternating pumps
 [List of Pre Grant Publications for class 417 subclass 107][List of Patents for class 417 subclass 107]107 Subclass 107 indent level is 2 With condition responsive control means
[List of Pre Grant Publications for class 417 subclass 108][List of Patents for class 417 subclass 108]108 Subclass 108 indent level is 1 Aerated column
[List of Pre Grant Publications for class 417 subclass 109][List of Patents for class 417 subclass 109]109 Subclass 109 indent level is 2 Valved gas inlet