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Slitting by jets of water or other liquid
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CPC
E21C25/60
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21C
MINING OR QUARRYING
E21C25/00
Cutting machines
Current Industry
E21C25/60
Slitting by jets of water or other liquid
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Impact
Patents Grants
last 30 patents
Information
Patent Grant
System and method of controlling single or dual pump operation
Patent number
11,834,940
Issue date
Dec 5, 2023
Halliburton Energy Services, Inc.
Madhur Kohli
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mining machine applicable to fluidized mining of ore bodies and min...
Patent number
11,261,732
Issue date
Mar 1, 2022
CHINA UNIVERSITY OF MINING & TECHNOLOGY, BEIJING
Yang Ju
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hard rock roadway and tunnel boring machine with actively rotating...
Patent number
11,199,092
Issue date
Dec 14, 2021
China University of Mining and Technology
Hongxiang Jiang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Supersonic air knife with a supersonic variable flow nozzle
Patent number
10,449,557
Issue date
Oct 22, 2019
Thomas Francis Hursen
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Frame mounted hydrodemolition system for treating large inclined wa...
Patent number
9,982,446
Issue date
May 29, 2018
Mac & Mac Hydrodemolition Inc.
Gerard J. MacNeil
E04 - BUILDING
Information
Patent Grant
Excavation system using a water jet, and excavation method using th...
Patent number
9,140,122
Issue date
Sep 22, 2015
KAIST (Korea Advanced Institute of Science and Technology)
Gye-Chun Cho
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hyper-pressure pulse excavator
Patent number
9,057,262
Issue date
Jun 16, 2015
Tempress Technologies, Inc.
Jack J. Kolle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods of delaying development of CEA-associated tumors using anti...
Patent number
7,300,651
Issue date
Nov 27, 2007
University of Kentucky Research Foundation
Malaya Chatterjee
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Drum-type dual channel water-jet assisted cutting head
Patent number
6,755,480
Issue date
Jun 29, 2004
Amvest Corporation
Donald B. Sult
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and device for dredging underwater ground layers
Patent number
6,449,883
Issue date
Sep 17, 2002
Dredging International B.V.
Stefaan Vandycke
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Multiple jet hydrodemolition apparatus and method
Patent number
6,435,620
Issue date
Aug 20, 2002
Mac & Mac Hydrodemolition, Inc.
Gerard MacNeil
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information
Patent Grant
Water-jet assisted drum-type mining system
Patent number
6,409,276
Issue date
Jun 25, 2002
Amvest Systems, Inc.
Donald B. Sult
E21 - EARTH DRILLING MINING
Information
Patent Grant
Jet excavating device
Patent number
6,385,868
Issue date
May 14, 2002
Heerema Holding Construction Inc.
Rogier Cristian Koene
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting heads for horizontal remote mining system
Patent number
6,364,418
Issue date
Apr 2, 2002
Amvest Systems, Inc.
Jeff Schwoebel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydraulic scroll auger mining system and method of using the same
Patent number
6,293,628
Issue date
Sep 25, 2001
Amvest Systems Inc.
Jeffrey J. Schwoebel
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydrovac excavating blast wand
Patent number
6,273,512
Issue date
Aug 14, 2001
Robert C. Rajewski
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Automated quarry operation with communication interface
Patent number
6,243,625
Issue date
Jun 5, 2001
N E D Corp.
Peter F. Wyatt
G05 - CONTROLLING REGULATING
Information
Patent Grant
Hydraulic mining of tar sand bitumen with aggregate material
Patent number
6,152,356
Issue date
Nov 28, 2000
Carl S. Minden
E21 - EARTH DRILLING MINING
Information
Patent Grant
Softwall mining method and device
Patent number
6,086,159
Issue date
Jul 11, 2000
IMC-Agrico MP, Inc.
Randall D. Peterson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Horizontal remote mining system, and method
Patent number
5,879,057
Issue date
Mar 9, 1999
Amvest Corporation
Jeffrey J. Schwoebel
E21 - EARTH DRILLING MINING
Information
Patent Grant
High pressure water jet channeling horizontally into a solid mounta...
Patent number
5,765,924
Issue date
Jun 16, 1998
Daniel J. Liesveld
E21 - EARTH DRILLING MINING
Information
Patent Grant
Underground hydraulic mining method and apparatus
Patent number
5,435,628
Issue date
Jul 25, 1995
Hydro Extraction Inc.
Warren G. Montgomery
E21 - EARTH DRILLING MINING
Information
Patent Grant
Programmable oscillating liquid jet cutting system
Patent number
5,411,432
Issue date
May 2, 1995
Peter Wyatt
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Deep kerfing in rocks with ultrahigh-pressure fan jets
Patent number
5,380,068
Issue date
Jan 10, 1995
Flow International Corporation
Chidambaram Raghavan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and process for employing synergistic destructive powers...
Patent number
5,356,081
Issue date
Oct 18, 1994
Electric Power Research Institute, Inc.
John G. Sellar
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Apparatus for cutting erosive materials using high pressure water d...
Patent number
5,332,293
Issue date
Jul 26, 1994
Australian Stone Technology Pty. Ltd.
Christopher L. Higgins
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
Method and apparatus for using multiple jets
Patent number
5,297,639
Issue date
Mar 29, 1994
Francine Schneider
B26 - HAND CUTTING TOOLS CUTTING SEVERING
Information
Patent Grant
High pressure water assisted mining and tunnelling machine
Patent number
5,114,213
Issue date
May 19, 1992
Sasol Mining (Proprietary) Limited
Julian Kornecki
E21 - EARTH DRILLING MINING
Information
Patent Grant
Device for cutting, drilling or similar working of rock, ore, concr...
Patent number
4,960,176
Issue date
Oct 2, 1990
CIWJ Compagnie Internationale du Water Jet
Charles Loegel
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Hydraulic method of mining coal
Patent number
4,878,712
Issue date
Nov 7, 1989
Fun-Den Wang
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
MINING MACHINE APPLICABLE TO FLUIDIZED MINING OF ORE BODIES AND MIN...
Publication number
20210317739
Publication date
Oct 14, 2021
CHINA UNIVERSITY OF MINING AND TECHNOLOGY, BEIJING
Yang JU
E21 - EARTH DRILLING MINING
Information
Patent Application
Borehole Mining System and Methods Using Sonic-Pulsed Jetting Excav...
Publication number
20160084083
Publication date
Mar 24, 2016
Gilbert Alan Hice
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM FOR REGULATION AND CONTROL OF WATER PRESSURE AND FLOW RATE I...
Publication number
20150233184
Publication date
Aug 20, 2015
Alamo Group Inc.
Michael K. Pettay
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
Hyper-Pressure Pulse Excavator
Publication number
20140028078
Publication date
Jan 30, 2014
Tempress Technologies, Inc.
Jack J. Kolle
E21 - EARTH DRILLING MINING
Information
Patent Application
EXCAVATION SYSTEM USING A WATER JET, AND EXCAVATION METHOD USING TH...
Publication number
20130200680
Publication date
Aug 8, 2013
KAIST (Korea Advanced Institute of Science and Technology)
Gye-Chun Cho
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods of delaying development of CEA-associated tumors using anti...
Publication number
20040253230
Publication date
Dec 16, 2004
Malaya Chatterjee
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Methods of delaying development of CEA-associated tumors using anti...
Publication number
20030077274
Publication date
Apr 24, 2003
Malaya Chatterjee
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Drum-type dual channel water-jet assisted cutting head
Publication number
20020158503
Publication date
Oct 31, 2002
Donald B. Sult
E21 - EARTH DRILLING MINING
Information
Patent Application
Methods of delaying development of CEA-associated tumors using anti...
Publication number
20020041872
Publication date
Apr 11, 2002
Malaya Chatterjee
C07 - ORGANIC CHEMISTRY
Information
Patent Application
Jet excavating device
Publication number
20010035674
Publication date
Nov 1, 2001
HEEREMA HOLDING CONSTRUCTION INC.
Rogier Cristian Koene
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Application
Multiple jet hydrodemolition apparatus and method
Publication number
20010011841
Publication date
Aug 9, 2001
Mac & Mac Hydrodemolition Inc.
Gerard MacNeil
E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES