Patents-Review.com
ClassID:

45508 ⎘

B25D9/26 - CPC Classification

Classification description:

Portable percussive tools with fluid-pressure drive, , e.g. having several percussive tool bits operated simultaneously; Control devices for the reciprocating piston Control devices for adjusting the stroke of the piston or the force or frequency of impact thereof

Sub-classes:
Recent Application in this class:
#1
20250029704
2025-01-23

SYSTEMS AND METHODS FOR MODULATING PRESSURE WAVE THERAPY

 #2
20230339087
2023-10-26

Percussion apparatus equipped with a pressure regulating device

 #3
20220274242
2022-09-01

Rotary-percussive hydraulic perforator provided with a stop piston and a braking chamber

 #4
20220055196
2022-02-24

Hydraulic hammering device

 #5
20210086337
2021-03-25

Hydraulic hammering device

 #6
20210001462
2021-01-07

Rotary-percussive hydraulic perforator provided with a control chamber permanently connected to a low-pressure accumulator

 #7
20200391368
2020-12-17

Hydraulic hammering device

 #8
20200368890
2020-11-26

METHOD FOR SETTING THE STRIKING STROKE OF A STRIKING PISTON OF A PERCUSSION APPARATUS, AND A PERCUSSION APPARATUS FOR IMPLEMENTING SAID METHOD

 #9
20200181978
2020-06-11

Two-piston hydraulic striking device

 #10
20200163827
2020-05-28

SYSTEMS AND METHODS FOR MODULATING PRESSURE WAVE THERAPY

 #11
20200039048
2020-02-06

Hammer drill

 #12
20190314969
2019-10-17

Percussion apparatus provided with a centering device

 #13
20190224835
2019-07-25

Hydraulic striking device

 #14
20190210205
2019-07-11

Hydraulic hammering device

 #15
20190032307
2019-01-31

Hydraulic breaker capable of calculating operating time

 #16
20180345470
2018-12-06

Rock breaking device

 #17
20180238428
2018-08-23

Apparatus for generating impulse-dynamic process forces

 #18
20180207782
2018-07-26

Hydraulic hammering device

 #19
20180154506
2018-06-07

Hammer Raising Device

 #20
20170334052
2017-11-23

Percussion drilling device

 #21
20170312901
2017-11-02

Percussion apparatus

 #22
20170259421
2017-09-14

Hammer protection system and method

 #23
20170246734
2017-08-31

Hammer drill

 #24
20170156973
2017-06-08

Systems for modulating pressure wave therapy

 #25
20170129088
2017-05-11

ADAPTIVE HAMMER CONTROL SYSTEM

 #26
20170037725
2017-02-09

Arrangement for controlling automated operation mode

 #27
20170030182
2017-02-02

Remote control of stroke and frequency of percussion apparatus and methods thereof

 #28
20170030042
2017-02-02

Method and device for monitoring the ramming of a ram post into the ground

 #29
20170001293
2017-01-05

Hydraulic hammering device

 #30
20160339576
2016-11-24

HANDHELD DEVICE FOR DRIVING A STATOR BLADE INTO A BLADE GROOVE

 #31
20160318166
2016-11-03

Impact-driven tool

 #32
20160279775
2016-09-29

Stepless variable auto stroke hydraulic breaker system

 #33
20160199969
2016-07-14

HYDRAULIC HAMMER HAVING VARIABLE STROKE CONTROL

 #34
20160176033
2016-06-23

Hydraulic hammer having variable stroke control

 #35
20160169582
2016-06-16

Impact tool for a hammer device and method for opening a tapping opening

 #36
20160121472
2016-05-05

METHOD FOR CONTROLLING THE IMPACT ENERGY OF AN IMPULSE PISTON OF A PERCUSSION TOOL

 #37
20150290788
2015-10-15

Percussion device for a hydraulic rock drilling machine, method of operation of a percussion device and hydraulic rock drilling machine including a percussion device

 #38
20140326473
2014-11-06

Method for switching the striking stroke of a striking piston of a percussion device

 #39
20140290971
2014-10-02

Control of the working frequency of an impact mechanism

 #40
20140209340
2014-07-31

Variable volume accumulator

 #41
20140083728
2014-03-27

Hammer drill

 #42
20140083727
2014-03-27

Hammer drill

 #43
20140027138
2014-01-30

Impact mechanism, rock drill and drill rig comprising such impact mechanism

 #44
20130075120
2013-03-28

Impact tool for a hammer device and method for opening a tapping opening

 #45
20130037293
2013-02-14

Drilling machine

 #46
20110295160
2011-12-01

Systems and methods for modulating pressure wave therapy

 #47
20110240322
2011-10-06

Rock drilling machine and axial bearing module

 #48
20110220060
2011-09-15

Implement having rotational speed reduction and operating method therefor

 #49
20100198114
2010-08-05

ADJUSTING PARAMETERS OF AN APPARATUS FOR SHOCKWAVE TREATMENT

 #50
20090326425
2009-12-31

Medical Device For Treatment Of The Human Or Animal Body By Mechanical Pressure Waves Or Shock Waves

 #51
20090321100
2009-12-31

Method in respect of a percussive device, percussive device and rock drilling machine

 #52
20090321099
2009-12-31

Percussion device, drilling machine including such a percussion device and method for controlling such a percussion device

 #53
20090266568
2009-10-29

Method for controlling pressure fluid operated percussion device, and percussion device

 #54
20090250234
2009-10-08

Percussion equipment driven by a pressurized incompressible fluid

 #55
20090223689
2009-09-10

Percussion Device and Rock Drilling Machine Including Such a Percussion Device

 #56
20090188686
2009-07-30

Method for controlling percussion device, software production, and percussion device

 #57
20090173070
2009-07-09

Pulse generator and impulse machine for a cutting tool

 #58
20090145619
2009-06-11

Percussion mechanism for a repetitively hammering hand power tool

 #59
20090132131
2009-05-21

Working machine

 #60
20090025948
2009-01-29

Percussion device

 #61
20090008118
2009-01-08

Hydraulically actuable hand tool

 #62
20080289840
2008-11-27

Impact power tool with a precision controlled drive system

 #63
20070079697
2007-04-12

Pressure regulating device for a percussive hydraulic apparatus

 #64
20070034395
2007-02-15

Impact power tool with a precision controlled drive system

 #65
20060196683
2006-09-07

Impact mechanism for a repeatedly striking hand-held machine tool

 #66
20050175487
2005-08-11

Hudraulic hammer with control means regulating the volume in an accumulator