ClassID:

145922

F15B11/022 - CPC Classification

Classification description:

Servomotor systems without provision for follow-up action; Circuits therefor; Systems essentially incorporating special features for controlling the speed or actuating force of an output member in which a rapid approach stroke is followed by a slower, high-force working stroke

Recent Application in this class:
#1
20210360879
2021-11-25

HYDRAULIC ACTUATOR, WORKING DEVICE, AND ENERGY-WOOD GRAPPLE

#2
20210033117
2021-02-04

Hydraulic intensifiers, boosters and/or controllers

#3
20200315513
2020-10-08

Pressure monitoring system

#4
20200180253
2020-06-11

Apparatus for controlling the switch-over of hydraulic cylinders

#5
20190285094
2019-09-19

Hydraulic drive with fast stroke and load stroke

#6
20190271336
2019-09-05

Piezohydraulic actuator

#7
20190217373
2019-07-18

Hydraulic cylinder

#8
20190170163
2019-06-06

Electrohydraulic drive unit

#9
20190120258
2019-04-25

Hydraulic pressure amplifier arrangement

#10
20180318901
2018-11-08

Actuator device

#11
20180272419
2018-09-27

Multi-step joining device and joining method therefor

#12
20180264603
2018-09-20

Cylinder device, press machine, workpiece clamping apparatus, cylinder device actuating method, method for clamping workpiece, and method for pressing workpiece

#13
20180142710
2018-05-24

Hydraulic drive with rapid stroke and load stroke

#14
20180031011
2018-02-01

Fluid pressure cylinder with boosting mechanism

#15
20170108014
2017-04-20

Hydraulic system

#16
20160230780
2016-08-11

Valve device and hydraulic system

#17
20160084280
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#18
20160084279
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#19
20160084278
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#20
20160084276
2016-03-24

Hydraulic drive with rapid stroke and load stroke

#21
20160010667
2016-01-14

Hydraulic tools with rapid advance

#22
20150176613
2015-06-25

Hydraulic axle

#23
20150033723
2015-02-05

Hydraulic system

#24
20140360349
2014-12-11

Hydraulic cylinder for use for example in a hydraulic tool

#25
20130068090
2013-03-21

Hydraulic device for hydraulic cylinders

#26
20120006014
2012-01-12

MULTI-SPEED HYDRAULIC JACK

#27
20100121496
2010-05-13

Pneumatic actuator system and method

#28
20090000468
2009-01-01

Procedure for the loading of a working cylinder, control module for it, working cylinder and utilization of the same

#29
20080141854
2008-06-19

Press having regeneration circuit

#30
20070251400
2007-11-01

Platen Press

#31
20070169618
2007-07-26

Hydraulic drive

#32
20070095060
2007-05-03

Hydraulic pressure supply unit

#33
20070012171
2007-01-18

Hydraulic drive

#34
20060070378
2006-04-06

Closed-system electrohydraulic actuator

#35
20050091972
2005-05-05

Electrohydraulic actuator