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Continuous mixing system
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Patent number 7,575,071
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Issue date Aug 18, 2009
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Tracto-Technik-Paul Schmidt Spezialmaschinen
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Manfred Schauerte
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Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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Earth boring apparatus
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Patent number 6,510,905
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Issue date Jan 28, 2003
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Tracto-Technik Paul Schmidt Spezialmaschinen
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Franz-Josef Püttmann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Automatic rod assembly
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Patent number 6,364,036
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Issue date Apr 2, 2002
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Tracto-Technik-Paul Schmidt Spezialmaschinen
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Franz-Josef Puttmann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Steered-head ram drilling tool
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Patent number 6,352,128
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Issue date Mar 5, 2002
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Tracto-Technik Paul Schmidt Spezialmaschinen
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Franz-Josef Püttmann
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E21 - EARTH DRILLING MINING
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Widening apparatus
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Patent number 6,244,783
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Issue date Jun 12, 2001
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Tracto-Technik Paul Schmidt Spezialmaschinen
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Franz-Josef Püttmann
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E21 - EARTH DRILLING MINING
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Ground-boring machine
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Patent number 5,980,157
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Issue date Nov 9, 1999
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Tracto-Technik Paul Schmidt Spezialmaschinen
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Franz-Josef Puttman
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E21 - EARTH DRILLING MINING
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Boring rod magazine
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Patent number 5,954,209
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Issue date Sep 21, 1999
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Tracto-Technik Paul Schmidt Spezialmaschinen
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Dieter Wurm
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E21 - EARTH DRILLING MINING
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Method for directional drilling
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Patent number 5,937,954
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Issue date Aug 17, 1999
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Tracto-Technik Paul Schmidt Spezialmaschinen
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Franz-Josef Puttmann
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E21 - EARTH DRILLING MINING
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Ram boring machine
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Patent number 5,937,956
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Issue date Aug 17, 1999
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Tracto-Technik Paul Schmidt Spezialmaschinen
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Alfons Hesse
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E21 - EARTH DRILLING MINING
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Steerable boring machine
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Patent number 5,924,500
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Issue date Jul 20, 1999
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Tracto-Technik, Paul Schmidt, Spezialmaschinen
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Franz-Josef Puttmann
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E21 - EARTH DRILLING MINING
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Method of operating an earth boring machine
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Patent number 5,289,887
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Issue date Mar 1, 1994
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Tracto-Technik Paul Schmidt Spezialmaschinen KG
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Franz-Josef Puttmann
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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