Total properties:
35
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Patent #:
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Issue Dt:
|
05/05/1998
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Application #:
|
08545257
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Filing Dt:
|
10/19/1995
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Title:
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MINE SUPPORT CRIBS
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Patent #:
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Issue Dt:
|
03/09/1999
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Application #:
|
08976025
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Filing Dt:
|
11/21/1997
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Title:
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MINE VENTILATION STRUCTURE
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Patent #:
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|
Issue Dt:
|
03/05/2002
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Application #:
|
09415387
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Filing Dt:
|
10/08/1999
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Title:
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MINE ROOF SUPPORT CRIB HAVING ONLY TWO OR THREE PLANES, AND METHOD
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Patent #:
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Issue Dt:
|
09/02/2003
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Application #:
|
09506472
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Filing Dt:
|
02/17/2000
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Title:
|
POSITIONING CRADLE FOR MINE ROOF SUPPORTS AND METHOD
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Patent #:
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Issue Dt:
|
10/26/2004
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Application #:
|
10045741
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Filing Dt:
|
10/26/2001
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Publication #:
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Pub Dt:
|
06/27/2002
| | | | |
Title:
|
NON-DIRECTIONAL MAGNET FIELD BASED PROXIMITY RECEIVER WITH MULTIPLE WARNING AND MACHINE SHUTDOWN CAPABILTY
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|
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Patent #:
|
|
Issue Dt:
|
03/02/2004
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Application #:
|
10104946
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Filing Dt:
|
03/22/2002
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Title:
|
DELIVERY SYSTEM FOR CARBON DIOXIDE ABSORPTION MATERIAL
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Patent #:
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Issue Dt:
|
09/02/2008
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Application #:
|
11083353
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Filing Dt:
|
03/18/2005
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Publication #:
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Pub Dt:
|
04/27/2006
| | | | |
Title:
|
SAFETY SYSTEM FOR MINING EQUIPMENT
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Patent #:
|
|
Issue Dt:
|
07/16/2013
|
Application #:
|
11773096
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Filing Dt:
|
07/03/2007
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Publication #:
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Pub Dt:
|
12/27/2007
| | | | |
Title:
|
STEEL ANCHORED REINFORCED MINE SEAL
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Patent #:
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Issue Dt:
|
05/17/2011
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Application #:
|
11944477
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Filing Dt:
|
11/23/2007
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Publication #:
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|
Pub Dt:
|
05/29/2008
| | | | |
Title:
|
INFLATABLE SHELTER FOR USE IN HOSTILE ENVIRONMENT
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|
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Patent #:
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|
Issue Dt:
|
07/31/2012
|
Application #:
|
11984824
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Filing Dt:
|
11/21/2007
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Publication #:
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|
Pub Dt:
|
04/30/2009
| | | | |
Title:
|
PROXIMITY DETECTION SYSTEM
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Patent #:
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Issue Dt:
|
11/30/2010
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Application #:
|
12082587
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Filing Dt:
|
04/11/2008
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Publication #:
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|
Pub Dt:
|
10/15/2009
| | | | |
Title:
|
SYSTEM FOR COMMUNICATING LOCATION OF SURVIVORS IN MINE EMERGENCIES
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|
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Patent #:
|
|
Issue Dt:
|
05/01/2012
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Application #:
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12409809
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Filing Dt:
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03/24/2009
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Publication #:
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Pub Dt:
|
10/15/2009
| | | | |
Title:
|
ELECTROMAGNETIC FIELD ADJUSTMENT FOR PROXIMITY DETECTION
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|
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Patent #:
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Issue Dt:
|
04/29/2014
|
Application #:
|
12491772
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Filing Dt:
|
06/25/2009
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Publication #:
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|
Pub Dt:
|
12/31/2009
| | | | |
Title:
|
PERSONAL ALARM DEVICE FOR HEADWEAR FOR PROXIMITY DETECTION
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|
|
Patent #:
|
|
Issue Dt:
|
05/21/2013
|
Application #:
|
12770287
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Filing Dt:
|
04/29/2010
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Publication #:
|
|
Pub Dt:
|
10/28/2010
| | | | |
Title:
|
PROXIMITY WARNING SYSTEM WITH SILENT ZONES
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|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
13065152
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Filing Dt:
|
03/15/2011
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Publication #:
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|
Pub Dt:
|
07/07/2011
| | | | |
Title:
|
Lite mine roof support crib and method
|
|
|
Patent #:
|
|
Issue Dt:
|
04/15/2014
|
Application #:
|
13317271
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Filing Dt:
|
10/13/2011
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Publication #:
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|
Pub Dt:
|
04/18/2013
| | | | |
Title:
|
TELESCOPING MODULAR SHELTER AND METHOD
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|
|
Patent #:
|
|
Issue Dt:
|
09/02/2014
|
Application #:
|
13317720
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Filing Dt:
|
10/26/2011
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Publication #:
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|
Pub Dt:
|
05/02/2013
| | | | |
Title:
|
Yieldable support prop and method
|
|
|
Patent #:
|
|
Issue Dt:
|
10/08/2013
|
Application #:
|
13446420
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Filing Dt:
|
04/13/2012
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Publication #:
|
|
Pub Dt:
|
10/04/2012
| | | | |
Title:
|
PROXIMITY DETECTION SYSTEMS AND METHOD FOR INTERNAL TRAFFIC CONTROL
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|
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Patent #:
|
|
Issue Dt:
|
08/05/2014
|
Application #:
|
13460252
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Filing Dt:
|
04/30/2012
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Publication #:
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|
Pub Dt:
|
02/28/2013
| | | | |
Title:
|
Refuge Chamber and Method
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|
|
Patent #:
|
|
Issue Dt:
|
09/30/2014
|
Application #:
|
13538156
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Filing Dt:
|
06/29/2012
|
Publication #:
|
|
Pub Dt:
|
10/25/2012
| | | | |
Title:
|
PROXIMITY DETECTION SYSTEM AND METHOD AND COLLISION AVOIDANCE SYSTEM AND METHOD USING PROXIMITY DETECTION
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|
|
Patent #:
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|
Issue Dt:
|
07/14/2015
|
Application #:
|
13568674
|
Filing Dt:
|
08/07/2012
|
Publication #:
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|
Pub Dt:
|
02/14/2013
| | | | |
Title:
|
PROXIMITY DETECTION SYSTEM WITH CONCURRENT RF AND MAGNETIC FIELDS
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|
|
Patent #:
|
|
Issue Dt:
|
08/25/2015
|
Application #:
|
13743947
|
Filing Dt:
|
01/17/2013
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Publication #:
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|
Pub Dt:
|
07/17/2014
| | | | |
Title:
|
Method, Controller, and System for Tunnel Communication
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
13861054
|
Filing Dt:
|
04/11/2013
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Publication #:
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Pub Dt:
|
10/16/2014
| | | | |
Title:
|
C-Channel Panel, Overcast, Stopping and Method
|
|
|
Patent #:
|
|
Issue Dt:
|
08/19/2014
|
Application #:
|
13897860
|
Filing Dt:
|
05/20/2013
|
Publication #:
|
|
Pub Dt:
|
01/02/2014
| | | | |
Title:
|
PROXIMITY WARNING SYSTEM WITH SILENT ZONES
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
13900236
|
Filing Dt:
|
05/22/2013
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Publication #:
|
|
Pub Dt:
|
01/02/2014
| | | | |
Title:
|
Air Conditioner for Refuge Shelter, System and Method
|
|
|
Patent #:
|
|
Issue Dt:
|
10/20/2015
|
Application #:
|
13959497
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Filing Dt:
|
08/05/2013
|
Publication #:
|
|
Pub Dt:
|
12/05/2013
| | | | |
Title:
|
Apparatus and Method for Affecting Air
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|
Patent #:
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|
Issue Dt:
|
03/08/2016
|
Application #:
|
14024661
|
Filing Dt:
|
09/12/2013
|
Publication #:
|
|
Pub Dt:
|
03/20/2014
| | | | |
Title:
|
INTEGRATED ALARM DEVICE
|
|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
14242362
|
Filing Dt:
|
04/01/2014
|
Publication #:
|
|
Pub Dt:
|
10/01/2015
| | | | |
Title:
|
Mine Escape Self-Rescuer System and Method
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|
|
Patent #:
|
|
Issue Dt:
|
01/12/2021
|
Application #:
|
14242502
|
Filing Dt:
|
04/01/2014
|
Publication #:
|
|
Pub Dt:
|
10/09/2014
| | | | |
Title:
|
REFUGE SHELTER, COUPLER AND METHOD
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|
|
Patent #:
|
NONE
|
Issue Dt:
|
|
Application #:
|
14276699
|
Filing Dt:
|
05/13/2014
|
Publication #:
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|
Pub Dt:
|
11/27/2014
| | | | |
Title:
|
Change Over Station and Method
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|
Patent #:
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|
Issue Dt:
|
06/05/2018
|
Application #:
|
14290755
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Filing Dt:
|
05/29/2014
|
Publication #:
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|
Pub Dt:
|
12/11/2014
| | | | |
Title:
|
MINE WIFI AND METHOD
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|
|
Patent #:
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|
Issue Dt:
|
07/18/2017
|
Application #:
|
14325028
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Filing Dt:
|
07/07/2014
|
Publication #:
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|
Pub Dt:
|
12/18/2014
| | | | |
Title:
|
METHOD AND APPARATUS FOR PROTECTING A MINER
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|
Patent #:
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|
Issue Dt:
|
10/11/2016
|
Application #:
|
14479172
|
Filing Dt:
|
09/05/2014
|
Publication #:
|
|
Pub Dt:
|
12/25/2014
| | | | |
Title:
|
PROXIMITY DETECTION SYSTEM AND METHOD AND COLLISION AVOIDANCE SYSTEM AND METHOD USING PROXIMITY DETECTION
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|
Patent #:
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Issue Dt:
|
09/12/2017
|
Application #:
|
14840412
|
Filing Dt:
|
08/31/2015
|
Publication #:
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|
Pub Dt:
|
03/17/2016
| | | | |
Title:
|
PROXIMITY DETECTION SYSTEM WITH APPROACH ZONE
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Patent #:
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|
Issue Dt:
|
10/11/2016
|
Application #:
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15013869
|
Filing Dt:
|
02/02/2016
|
Publication #:
|
|
Pub Dt:
|
05/26/2016
| | | | |
Title:
|
APPARATUS AND METHOD FOR POWER MANAGEMENT OF A SYSTEM OF INDICATOR LIGHT DEVICES
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