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Philip R. Strydom
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Franklin, PA, US
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Patents Grants
last 30 patents
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Patent Grant
Cooling a ranging arm gear case on a longwall shearer
Patent number
9,028,007
Issue date
May 12, 2015
Joy MM Delaware, Inc.
Edward F. Niederriter
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Cooling a ranging arm gear case on a longwall shearer
Patent number
8,439,451
Issue date
May 14, 2013
Joy MM Delaware, Inc.
Edward F. Niederriter
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
Information
Patent Application
COOLING A RANGING ARM GEAR CASE ON A LONGWALL SHEARER
Publication number
20110309669
Publication date
Dec 22, 2011
Edward F. Niederriter
E21 - EARTH DRILLING MINING
Information
Patent Application
COOLING A RANGING ARM GEAR CASE ON A LONGWALL SHEARER
Publication number
20100301660
Publication date
Dec 2, 2010
JOY MM DELAWARE
Edward F. Niederriter
E21 - EARTH DRILLING MINING