Patents-Review.com
ClassID:

135879 ⎘

E21C35/193 - CPC Classification

Classification description:

Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam not provided for in groups - , or; Mining picks; Holders therefor; Means for fixing picks or holders using bolts as main fixing elements

Sub-classes:
Recent Application in this class:
#1
20250270773
2025-08-28

EARTH WORKING MACHINE HAVING A ROTATABLE WORKING APPARATUS AXIALLY POSITIONALLY RETAINABLE WITH HIGH TIGHTENING TORQUE BY MEANS OF A CENTRAL BOLT ARRANGEMENT, AND METHOD FOR ESTABLISHING AND RELEASING SUCH RETENTION

 #2
20230407580
2023-12-21

Earth working machine having a rotatable working apparatus axially positionally retainable with high tightening torque by means of a central bolt arrangement, and method for establishing and releasing such retention

 #3
20220389670
2022-12-08

Earth working machine having a rotatable working apparatus axially positionally retainable with high tightening torque by means of a central bolt arrangement, and method for establishing and releasing such retention

 #4
20210381374
2021-12-09

TAPERED CUTTER BIT AND MOUNTING BLOCK FOR THE SAME

 #5
20200407927
2020-12-31

Earth working machine having a rotatable working apparatus axially positionally retainable with high tightening torque by means of a central bolt arrangement, and method for establishing and releasing such retention

 #6
20200063555
2020-02-27

TAPERED CUTTER BIT AND MOUNTING BLOCK FOR THE SAME

 #7
20190381694
2019-12-19

Cutting tool assemblies including superhard working surfaces, material-removing machines including cutting tool assemblies, and methods of use

 #8
20190039154
2019-02-07

Knife holder and base system for milling machine

 #9
20190030755
2019-01-31

Cutting tool holding device

 #10
20180340301
2018-11-29

Earth working machine having a rotatable working apparatus axially positionally retainable with high tightening torque by means of a central bolt arrangement, and method for establishing and releasing such retention

 #11
20180328174
2018-11-15

ROTOR FOR MACHINE

 #12
20180163539
2018-06-14

Tapered cutter bit and mounting block for the same

 #13
20180044894
2018-02-15

Locking device for securing a wear member

 #14
20180016898
2018-01-18

Chisel holder for a soil treatment machine

 #15
20170183965
2017-06-29

Plow bit assembly

 #16
20170073940
2017-03-16

Replaceable mounting apparatus for reducing elements

 #17
20160356156
2016-12-08

Bit holder and base part for receiving a bit holder

 #18
20160208606
2016-07-21

Chisel holder for a soil treatment machine

 #19
20160177717
2016-06-23

Chisel holder

 #20
20160123144
2016-05-05

Cutting tool holding device

 #21
20160076370
2016-03-17

Chisel holder

 #22
20150314483
2015-11-05

Cutting tool assemblies including superhard working surfaces, material-removing machines including cutting tool assemblies, and methods of use

 #23
20150176408
2015-06-25

Wear resistant insert for diamond abrasive cutter

 #24
20150137580
2015-05-21

HIGH-EFFICIENCY MINING METHOD FOR PERCUSSING FALLING-MATERIALS WITHOUT TRAPPING MATERIALS AND HIGH-EFFICIENCY MINING MACHINE FOR PERCUSSING FALLING-MATERIALS WITHOUT TRAPPING MATERIALS

 #25
20150128395
2015-05-14

Cutting tool holder extraction device

 #26
20140265529
2014-09-18

Bit holder and base part for receiving a bit holder

 #27
20140117741
2014-05-01

Chisel holder for a soil treatment machine

 #28
20130307318
2013-11-21

Chisel holder and lower tool part for a chisel holder

 #29
20130241266
2013-09-19

Chisel holder

 #30
20130241264
2013-09-19

Chisel holder, and chisel holder system comprising a chisel holder and a base part

 #31
20130207444
2013-08-15

Cutting tool holding device

 #32
20130175848
2013-07-11

Cutting tool holding device

 #33
20110148179
2011-06-23

Bit holder and base part for receiving a bit holder

 #34
20110148178
2011-06-23

Bit holder and base part

 #35
20090085396
2009-04-02

Tool holding device

 #36
20060130342
2006-06-22

Cutting tool

 #37
20050150666
2005-07-14

Fixing device for a shank chisel

 #38
20050140099
2005-06-30

Bit holder for a ploughing bit of a coal or extraction plough and ploughing bit

 #39
15266355
2020-05-12

Cutting tool assemblies including superhard working surfaces, cutting tool mounting assemblies, material-removing machines including the same, and methods of use