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E21F17/107

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EFIXED CONSTRUCTIONS E21Mining E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS E21F17/00Methods or devices for use in mines or tunnels, not covered elsewhere

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Patents Grantslast 30 patents

Information Patent Grant
Sealing system
- Patent number 11,293,285
- Issue date Apr 5, 2022
- The Secretary of State for Defence
- Duncan Godfrey Mervyn Thompson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Combined automatic anti-explosion method for gas drainage pipeline
- Patent number 10,612,379
- Issue date Apr 7, 2020
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY
- Caiping Lu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Expanding structures, and device and method for expanding the same
- Patent number 10,036,178
- Issue date Jul 31, 2018
- Moshe Ore
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Pumpable mine ventilation structure
- Patent number 10,001,009
- Issue date Jun 19, 2018
- FCI Holdings Delaware, Inc.
- Joseph P. Bower
- E21 - EARTH DRILLING MINING
Information Patent Grant
Removable barrier for protecting tunnels and other structures from...
- Patent number 9,951,618
- Issue date Apr 24, 2018
- Jorge O. Moreno
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inflatable tunnel seal
- Patent number 9,611,739
- Issue date Apr 4, 2017
- Philip L. Lundman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Pumpable mine ventilation structure
- Patent number 9,022,689
- Issue date May 5, 2015
- Heintzmann Corporation
- Joseph P. Bower
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tunnel barrier
- Patent number 8,727,670
- Issue date May 20, 2014
- Tagfilm Pty Limited
- Heinrich Jan Roelofs
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mine barrier survival system
- Patent number 8,469,781
- Issue date Jun 25, 2013
- Battelle Memorial Institute
- James J. Reuther
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Grant
Mine shaft and adit closure apparatus and method
- Patent number 5,803,172
- Issue date Sep 8, 1998
- Foam Concepts, Inc.
- Richard A. Rajkovich
- F42 - AMMUNITION BLASTING
Information Patent Grant
Expansion foam borehole plug and method
- Patent number 5,497,829
- Issue date Mar 12, 1996
- Foam Concepts, Inc.
- Richard A. Rajkovich
- F42 - AMMUNITION BLASTING
Information Patent Grant
Barricade for isolating open areas from spreading fire or smoke
- Patent number 5,188,186
- Issue date Feb 23, 1993
- Dale K. Nash
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for closing off a mine gallery especially for use to prevent...
- Patent number 4,102,138
- Issue date Jul 25, 1978
- Bergwerksverband GmbH
- Raimund Dreker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Device for closing off a mine gallery especially for use to prevent...
- Patent number 4,036,024
- Issue date Jul 19, 1977
- Bergwerksverband GmbH
- Raimund Dreker
- E21 - EARTH DRILLING MINING
Information Patent Grant
Means to seal-off portions of underground mines and the like
- Patent number 4,023,372
- Issue date May 17, 1977
- Oberjuerge Rubber Company
- Donald P. Presler
- E21 - EARTH DRILLING MINING
Information Patent Grant
Heat-responsive duct closing method and apparatus
- Patent number 3,990,464
- Issue date Nov 9, 1976
- James H. Jenkins
- E21 - EARTH DRILLING MINING
Information Patent Grant
Portable mine stopping device
- Patent number 3,948,057
- Issue date Apr 6, 1976
- The Raymond Lee Organization, Inc.
- Hugo Hill
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
AIRLOCK WITH A PNEUMATIC ORIFICE FOR THE VACUUM TRAIN SYSTEM
- Publication number 20210040851
- Publication date Feb 11, 2021
- Hyper Poland SP. Z O.O.
- Lukasz MIELCZAREK
- E21 - EARTH DRILLING MINING
Information Patent Application
SEALING SYSTEM
- Publication number 20200208520
- Publication date Jul 2, 2020
- The Secretary of State for Defence
- DUNCAN GODFREY MERVYN THOMPSON
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
Inflatable Article with Reduced Stress Concentrations
- Publication number 20170167096
- Publication date Jun 15, 2017
- Henry Obermeyer
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
PUMPABLE MINE VENTILATION STRUCTURE
- Publication number 20140314490
- Publication date Oct 23, 2014
- ABC Industries, Inc.
- Joseph P. Bower
- E21 - EARTH DRILLING MINING
Information Patent Application
CONTAINER FOR FORMING A BARRIER IN AN ENCLOSED ENVIRONMENT
- Publication number 20110272402
- Publication date Nov 10, 2011
- Robert Garwood LAMOND
- E21 - EARTH DRILLING MINING
Information Patent Application
INFLATABLE TUNNEL SEAL
- Publication number 20110135395
- Publication date Jun 9, 2011
- Philip L. Lundman
- E21 - EARTH DRILLING MINING
Information Patent Application
MINE BARRIER SURVIVAL SYSTEM
- Publication number 20090197518
- Publication date Aug 6, 2009
- James J. Reuther
- A62 - LIFE-SAVING FIRE-FIGHTING
Information Patent Application
Tunnel Barrier
- Publication number 20080190032
- Publication date Aug 14, 2008
- Heinrich Jan Roelofs
- E21 - EARTH DRILLING MINING

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Sealing system

Combined automatic anti-explosion method for gas drainage pipeline

Expanding structures, and device and method for expanding the same

Pumpable mine ventilation structure

Removable barrier for protecting tunnels and other structures from...

Inflatable tunnel seal

Pumpable mine ventilation structure

Tunnel barrier

Mine barrier survival system

Mine shaft and adit closure apparatus and method

Expansion foam borehole plug and method

Barricade for isolating open areas from spreading fire or smoke

Method for closing off a mine gallery especially for use to prevent...

Device for closing off a mine gallery especially for use to prevent...

Means to seal-off portions of underground mines and the like

Heat-responsive duct closing method and apparatus

Portable mine stopping device

Patents Applicationslast 30 patents

AIRLOCK WITH A PNEUMATIC ORIFICE FOR THE VACUUM TRAIN SYSTEM

SEALING SYSTEM

Inflatable Article with Reduced Stress Concentrations

PUMPABLE MINE VENTILATION STRUCTURE

CONTAINER FOR FORMING A BARRIER IN AN ENCLOSED ENVIRONMENT

INFLATABLE TUNNEL SEAL

MINE BARRIER SURVIVAL SYSTEM

Tunnel Barrier