Machines slitting solely by one or more percussive tools moved through the seam

Industry

CPC
E21C25/02

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C25/00Cutting machines

Current Industry

E21C25/02Machines slitting solely by one or more percussive tools moved through the seam

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for rotary clearing in stripping tooth holder of mining mach...
- Patent number 11,846,188
- Issue date Dec 19, 2023
- Suhua Liu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining or construction vehicle
- Patent number 11,585,154
- Issue date Feb 21, 2023
- Epiroc Rock Drills Aktiebolag
- Oskar Sjöholm
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Non-concentric protruding shaft fixed bearing reciprocating impact...
- Patent number 10,400,597
- Issue date Sep 3, 2019
- Suhua Liu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic resonant breaking hammer
- Patent number 8,690,261
- Issue date Apr 8, 2014
- Zhongsheng Tang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for removing hard rock and concrete by the combination use o...
- Patent number 6,145,933
- Issue date Nov 14, 2000
- RockTek Limited
- John David Watson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for controlled fragmentation of hard rock and concrete by th...
- Patent number 5,803,550
- Issue date Sep 8, 1998
- Bolinas Technologies, Inc.
- John David Watson
- E21 - EARTH DRILLING MINING
Information Patent Grant
1711280
- Patent number 1,711,280
- Issue date Apr 30, 1929
- E21 - EARTH DRILLING MINING
Information Patent Grant
1643220
- Patent number 1,643,220
- Issue date Sep 20, 1927
- E21 - EARTH DRILLING MINING
Information Patent Grant
1643221
- Patent number 1,643,221
- Issue date Sep 20, 1927
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method for Rotary Clearing in Stripping Tooth Holder of Mining Mach...
- Publication number 20220372875
- Publication date Nov 24, 2022
- Suhua Liu
- E21 - EARTH DRILLING MINING
Information Patent Application
RECIPROCATING IMPACT SLACK-DROP/ROTATING/RAKING MULTIFUNCTIONAL POW...
- Publication number 20170009579
- Publication date Jan 12, 2017
- Suhua LIU
- E21 - EARTH DRILLING MINING
Information Patent Application
NON-CONCENTRIC PROTRUDING SHAFT FIXED BEARING RECIPROCATING IMPACT...
- Publication number 20170002656
- Publication date Jan 5, 2017
- Suhua Liu
- E21 - EARTH DRILLING MINING
Information Patent Application
FLOATING SEALING METHOD OF FLOATING BUSHING SEALING RECIPROCATING I...
- Publication number 20160327162
- Publication date Nov 10, 2016
- Suhua LIU
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD OF LOADING MATERIAL BY CURVED AUXILIARY ROCKER ARM ON MINING...
- Publication number 20160273357
- Publication date Sep 22, 2016
- Suhua Liu
- E21 - EARTH DRILLING MINING
Information Patent Application
SMALL-RESISTANCE HIGH-EFFICIENCY MINING DEVICE WITH MULTIPLE LAYERS...
- Publication number 20150145316
- Publication date May 28, 2015
- Suhua Liu
- E21 - EARTH DRILLING MINING
Information Patent Application
HIGH-EFFICIENCY MINING METHOD FOR PERCUSSING FALLING-MATERIALS WITH...
- Publication number 20150137580
- Publication date May 21, 2015
- Suhua Liu
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULIC RESONANT BREAKING HAMMER
- Publication number 20130015696
- Publication date Jan 17, 2013
- Zhongsheng Tang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING

Machines slitting solely by one or more percussive tools moved through the seam

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for rotary clearing in stripping tooth holder of mining mach...

Mining or construction vehicle

Non-concentric protruding shaft fixed bearing reciprocating impact...

Hydraulic resonant breaking hammer

Method for removing hard rock and concrete by the combination use o...

Method for controlled fragmentation of hard rock and concrete by th...

1711280

1643220

1643221

Patents Applicationslast 30 patents

Method for Rotary Clearing in Stripping Tooth Holder of Mining Mach...

RECIPROCATING IMPACT SLACK-DROP/ROTATING/RAKING MULTIFUNCTIONAL POW...

NON-CONCENTRIC PROTRUDING SHAFT FIXED BEARING RECIPROCATING IMPACT...

FLOATING SEALING METHOD OF FLOATING BUSHING SEALING RECIPROCATING I...

METHOD OF LOADING MATERIAL BY CURVED AUXILIARY ROCKER ARM ON MINING...

SMALL-RESISTANCE HIGH-EFFICIENCY MINING DEVICE WITH MULTIPLE LAYERS...

HIGH-EFFICIENCY MINING METHOD FOR PERCUSSING FALLING-MATERIALS WITH...

HYDRAULIC RESONANT BREAKING HAMMER