imparting both a rotary and reciprocating motion

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CPC
E21C31/04

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21CMINING OR QUARRYING E21C31/00Driving means incorporated in machines for slitting or completely freeing the mineral from the seam

Current Industry

E21C31/04imparting both a rotary and reciprocating motion

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Roadway/tunnel excavation robot and automatic cutting control method
- Patent number 12,091,977
- Issue date Sep 17, 2024
- China University of Mining and Technology
- Hongxiang Jiang
- E21 - EARTH DRILLING MINING
Information Patent Grant
Gravel excavation system
- Patent number 11,401,809
- Issue date Aug 2, 2022
- Northern Colorado Constructors, Inc.
- Christopher J. Zadel
- E21 - EARTH DRILLING MINING
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
Method of controlling a miner to cause wobble in the cutting heads
- Patent number 8,967,728
- Issue date Mar 3, 2015
- Joy MM Delaware, Inc.
- David Stryffeler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining machine with driven disc cutters
- Patent number 8,636,324
- Issue date Jan 28, 2014
- Joy MM Delaware, Inc.
- Theunis F. Skea
- E21 - EARTH DRILLING MINING
Information Patent Grant
Driving arrangement for longwall mining machines
- Patent number 4,453,774
- Issue date Jun 12, 1984
- Gebr. Eickhoff Maschinefabrik und Eisengiesserei m.b.H.
- Volker Knorr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter drum assembly for a continuous mining machine
- Patent number 4,310,199
- Issue date Jan 12, 1982
- National Mine Service Company
- Donald L. Freed
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drum cutter mining machine
- Patent number 4,189,188
- Issue date Feb 19, 1980
- Gebr. Eickhoff, Maschinenfabrik und Eisengiesserei m.b.H.
- Herbert Schupphaus
- E21 - EARTH DRILLING MINING
Information Patent Grant
Continuous boring or cutting machine
- Patent number 4,171,148
- Issue date Oct 16, 1979
- Bouygues
- Marcel Montacie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mining machine, particularly for the working of low mine seams
- Patent number 4,166,652
- Issue date Sep 4, 1979
- Gebr. Eickhoff Maschinenfabrik und Eisengiesserei m.b.H.
- Klaus Oberste-Beulmann
- E21 - EARTH DRILLING MINING
Information Patent Grant
Oscillating disk thin seam mining machine with steering
- Patent number 4,045,088
- Issue date Aug 30, 1977
- Bechem; Hannelore
- Karl-Gunther Bechem
- E21 - EARTH DRILLING MINING
Information Patent Grant
3797888
- Patent number 3,797,888
- Issue date Mar 19, 1974
- E21 - EARTH DRILLING MINING
Information Patent Grant
3460868
- Patent number 3,460,868
- Issue date Aug 12, 1969
- E21 - EARTH DRILLING MINING
Information Patent Grant
3409329
- Patent number 3,409,329
- Issue date Nov 5, 1968
- E21 - EARTH DRILLING MINING
Information Patent Grant
3309145
- Patent number 3,309,145
- Issue date Mar 14, 1967
- E21 - EARTH DRILLING MINING
Information Patent Grant
3002732
- Patent number 3,002,732
- Issue date Oct 3, 1961
- E21 - EARTH DRILLING MINING
Information Patent Grant
2751207
- Patent number 2,751,207
- Issue date Jun 19, 1956
- E21 - EARTH DRILLING MINING
Information Patent Grant
2751204
- Patent number 2,751,204
- Issue date Jun 19, 1956
- E21 - EARTH DRILLING MINING
Information Patent Grant
2659585
- Patent number 2,659,585
- Issue date Nov 17, 1953
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
GRAVEL EXCAVATION SYSTEM
- Publication number 20210317740
- Publication date Oct 14, 2021
- Northern Colorado Constructors, Inc.
- Christopher J. Zadel
- 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
METHOD OF CONTROLLING A MINER TO CAUSE WOBBLE IN THE CUTTING HEADS
- Publication number 20120187743
- Publication date Jul 26, 2012
- David Stryffeler
- E21 - EARTH DRILLING MINING
Information Patent Application
MINING MACHINE WITH DRIVEN DISC CUTTERS
- Publication number 20110181097
- Publication date Jul 28, 2011
- Joy MM Delaware, Inc.
- Theunis F. Skea
- E21 - EARTH DRILLING MINING

imparting both a rotary and reciprocating motion

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Roadway/tunnel excavation robot and automatic cutting control method

Gravel excavation system

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

Method of controlling a miner to cause wobble in the cutting heads

Mining machine with driven disc cutters

Driving arrangement for longwall mining machines

Cutter drum assembly for a continuous mining machine

Drum cutter mining machine

Continuous boring or cutting machine

Mining machine, particularly for the working of low mine seams

Oscillating disk thin seam mining machine with steering

3797888

3460868

3409329

3309145

3002732

2751207

2751204

2659585

Patents Applicationslast 30 patents

GRAVEL EXCAVATION SYSTEM

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

METHOD OF CONTROLLING A MINER TO CAUSE WOBBLE IN THE CUTTING HEADS

MINING MACHINE WITH DRIVEN DISC CUTTERS