Resources Contact Us Home
Browse by Category: Main > Industrial
Class Information
Number: 417/410
Name: Pumps >

Sub-classes under this class:

Class Number Class Name Patents
417/1 Condition responsive control of pump drive motor 50
417/199.1 Diverse pumps 84
417/207 By heating of pumped fluid 86
417/210 Pump fluid biased overcenter load equalizer 4
417/211 Inertia-type pumping member or drive means 43
417/211.5 Liquid level responsive control of displacement, volumetric capacity, or drive transmission 14
417/212 Condition responsive control of drive transmission or pump displacement 142
417/225 Intensifier 56
417/228 With condition responsive control of coolant or lubricant 103
417/229 Operated by art device 39
417/234 Ambulant, body supported, or with carrying handle 371
417/236 Convertible to apparatus of a different class 32
417/238 Changeable by assembly or disassembly 91
417/240 Inertia liquid piston (e.g., momentum, etc.) 30
417/242 Position responsive bypass between plural pump chambers 8
417/243 With intercooler 116
417/244 Successive stages 188
417/269 Three or more cylinders arranged in parallel, radial, or conical relationship with rotary transmission axis 994
417/274 Condition responsive variable volumetric capacity expansible chamber pump (i.e., clearance control) 48
417/278 External condition responsive pumped fluid control 33
417/279 With condition responsive pumped fluid control 102
417/312 With muffler acting on pump fluid 517
417/313 Combined 537
417/314 Single acting changeable to or from double acting 5
417/315 Reverse flow with unidirectional drive or unidirectional flow with reverse drive 57
417/316 Correlated pump and motor or clutch control 33
417/319 Including disengageable rotary or frangible drive connection 143
417/320 Serially formed pumping chambers (e.g., endless) 20
417/321 Motor driven 65
417/425 Separate manual and power driven pumping members 7
417/426 Plural pumps with individual or relative control 140
417/430 Including means to (1) agitate pump fluid, or (2) prevent foreign material settling from pump fluid 59
417/432 Including application of separate fluid to pump valve 10
417/434 Including separate port on noncyclic valve for draining pump portion 38
417/435 Including separate port on noncyclic valve for venting or filling pump portion 124
417/436 Transversely movable impelling member (e.g., paddle) 27
417/437 Expansible chamber type 136
417/48 Electrical or getter type 214
417/52 Expansion and contraction of pump fluid 43
417/53 Processes 1,206
417/56 Drilled well free piston-type pump 41
417/572 Miscellaneous 174
417/61 Buoyantly supported 54
417/62 Alternate series or parallel operation of plural pumps 59
417/63 With signal, indicator, or inspection means 610
417/64 Gas pressure exchange using rotary cellular conveyor 67
417/65 One fluid pumped by contact or entrainment with another 45
417/900 Slurry pumps (e.g., concrete) 258
417/901 Cryogenic pumps 196
417/902 Hermetically sealed motor pump unit 413
417/903 Treadle operated 14
417/904 Well pump driven by fluid motor mounted above ground 48
417/DIG.1 Materials digest 76

Patents under this class:

Patent Number Title Of Patent Date Issued

  Recently Added Patents
Stackable clothes drying apparatus
Telecommunications system and method
Circuit arrangement having a load transistor and a voltage limiting circuit and method for driving a load transistor
Semiconductor memory device and method for driving the same
Methods and systems for automated segmentation of dense cell populations
Snap-engagement structure
Display apparatus
  Randomly Featured Patents
Game system and method using twin gage
Conductor cable for biomedical lead
Thermal head printer
Native and non-native I/O virtualization in a single adapter
VI improver, dispersant, and antioxidant additive and lubricating oil composition
Low voltage sample and hold circuits
Efficient data storage
Catalytic composition for the upgrading of hydrocarbons having boiling points within the naphtha range
Fireplace heat exchanger
Vortex chamber stratified charge engine