ClassID:

148407

F16D31/04 - CPC Classification

Classification description:

Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution using gear-pumps

Recent Application in this class:
#1
20210262464
2021-08-26

Positive displacement pump including an unloading device

#2
20190285068
2019-09-19

Positive displacement pump including an unloading device

#3
20180209491
2018-07-26

Downhole tool comprising a rotating part with a torque limiting coupling

#4
20180106352
2018-04-19

Hydrostatic transmission and method of operation

#5
20170314553
2017-11-02

Positive displacement pump including an unloading device

#6
20160010703
2016-01-14

System for controlling torque converter temperature during torque converter stall conditions

#7
20140144289
2014-05-29

Hydraulic shaft coupling apparatus

#8
20140100749
2014-04-10

SYSTEM FOR CONTROLLING TORQUE CONVERTER TEMPERATURE DURING TORQUE CONVERTER STALL CONDITIONS

#9
20130274048
2013-10-17

Transmission unit

#10
20120208667
2012-08-16

Speed changing control method and speed changing mechanism thereof

#11
20120151906
2012-06-21

System for controlling torque converter temperature during torque converter stall conditions

#12
20110054749
2011-03-03

System for controlling torque converter temperature during torque converter stall conditions

#13
20110005218
2011-01-13

Eccentric gearing type clutch

#14
20100260638
2010-10-14

Gear pump

#15
20100140039
2010-06-10

Pump Clutch

#16
20100120570
2010-05-13

Torque transfer device with hydrostatic torque control system

#17
20080287242
2008-11-20

Torque transfer device with hydrostatic torque control system

#18
20070270264
2007-11-22

Hydrostatic Coupling Assembly With Toothed Ring Machine

#19
20060240930
2006-10-26

Torque-limiting coupling