|
Total properties:
16
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/10/1990
|
Application #:
|
07393603
|
Filing Dt:
|
08/14/1989
|
|
Title:
|
EXCAVATOR DIPPER WITH LIGHTWEIGHT REPLACEABLE SECTION
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/22/1990
|
Application #:
|
07403633
|
Filing Dt:
|
09/06/1989
|
|
Title:
|
RAPID SHUT-OFF SYSTEM FOR TRUCK ENGINE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
04/14/1992
|
Application #:
|
07514626
|
Filing Dt:
|
04/25/1990
|
|
Title:
|
ACCESS DOOR FOR COAL CRUSHER FEED CHUTE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/11/1992
|
Application #:
|
07541560
|
Filing Dt:
|
06/21/1990
|
|
Title:
|
METHOD FOR PRODUCING DRIED PARTICULATE COAL FUEL AND ELECTRICITY FROM A LOW RANK PARTICULATE COAL
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/12/1991
|
Application #:
|
07651163
|
Filing Dt:
|
02/06/1991
|
|
Title:
|
LIGHTWEIGHT EXCAVATOR DIPPER WITH REPLACEABLE TOP AND BOTTOM SECTIONS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
12/22/1992
|
Application #:
|
07718715
|
Filing Dt:
|
06/21/1991
|
|
Title:
|
WATER SPRAY CONTROL SYSTEM FOR UNDERGROUND MINING MACHINE
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
08/25/1992
|
Application #:
|
07797604
|
Filing Dt:
|
11/25/1991
|
|
Title:
|
METHOD FOR SURFACE MINING WITH DRAGLINE AND BLAST CASTING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
06/28/1994
|
Application #:
|
07984649
|
Filing Dt:
|
12/02/1992
|
|
Title:
|
REVEGETATION METHOD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/13/1994
|
Application #:
|
08023656
|
Filing Dt:
|
02/26/1993
|
|
Title:
|
FABRIC EQUIPMENT GUARD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
11/14/1995
|
Application #:
|
08108364
|
Filing Dt:
|
08/18/1993
|
|
Title:
|
SURVEY SYSTEM AND METHOD
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
05/09/1995
|
Application #:
|
08137681
|
Filing Dt:
|
10/15/1993
|
|
Title:
|
OVERBURDEN REMOVAL METHOD WITH BLAST CASTING AND EXCAVATING APPARATUS
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
03/11/1997
|
Application #:
|
08408773
|
Filing Dt:
|
03/23/1995
|
|
Title:
|
TRAINING IDLER ASSEMBLY FOR A CONVEYOR SYSTEM
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/22/1998
|
Application #:
|
08530748
|
Filing Dt:
|
09/19/1995
|
|
Title:
|
APPARATUS AND METHOD FOR CONTINUOUS MINING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
01/20/1998
|
Application #:
|
08744543
|
Filing Dt:
|
11/06/1996
|
|
Title:
|
APPARATUS FOR CONTINUOUS MINING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
09/16/1997
|
Application #:
|
08744587
|
Filing Dt:
|
11/06/1996
|
|
Title:
|
APPARATUS AND METHOD FOR CONTINUOUS MINING
|
|
|
|
|
Patent #:
|
|
Issue Dt:
|
07/14/1998
|
Application #:
|
08747446
|
Filing Dt:
|
11/12/1996
|
|
Title:
|
SWING TAIL ASSEMBLY FOR MINER
|
|
