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THREAD CLEANING DEVICE
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Publication number 20160059279
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Publication date Mar 3, 2016
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National-Oilwell Varco, L.P.
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Jaroslav BELIK
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B08 - CLEANING
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PIPE JOINT APPARATUS AND METHOD
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Publication number 20150176349
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Publication date Jun 25, 2015
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National-Oilwell Varco, L.P.
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Jaroslav BELIK
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E21 - EARTH DRILLING MINING
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CENTRIFUGAL APPLICATOR
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Publication number 20130277150
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Publication date Oct 24, 2013
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National-Oilwell Varco, L.P.
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Jaroslav Belik
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B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
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CUTTING DEVICE ON MOVEABLE PLATFORM
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Publication number 20130051950
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Publication date Feb 28, 2013
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National-Oilwell Varco, L.P.
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Jaroslav Belik
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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PIPE CONNECTION SYSTEM
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Publication number 20100230115
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Publication date Sep 16, 2010
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National-Oilwell Varco, L.P.
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Jaroslav Belik
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E21 - EARTH DRILLING MINING
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CENTRIFUGAL APPLICATOR SYSTEM
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Publication number 20090272603
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Publication date Nov 5, 2009
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National-Oilwell Varco, L.P.
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Jaroslav Belik
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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HORIZONTAL PIPE HANDLING SYSTEM
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Publication number 20070031215
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Publication date Feb 8, 2007
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National Oilwell, L.P.
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Jaroslav Belik
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E21 - EARTH DRILLING MINING
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SINGLE JOINT DRILLING SYSTEM
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Publication number 20070017704
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Publication date Jan 25, 2007
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National Oilwell, L.P.
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Jaroslav Belik
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E21 - EARTH DRILLING MINING
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Power slip for drillpipe
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Publication number 20050199397
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Publication date Sep 15, 2005
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Jaroslav V. Belik
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E21 - EARTH DRILLING MINING
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Drillpipe spinner
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Publication number 20050056122
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Publication date Mar 17, 2005
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Jaroslav Belik
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E21 - EARTH DRILLING MINING
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Centrifugal applicator
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Publication number 20040140159
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Publication date Jul 22, 2004
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National Oilwell, L.P.
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Jaroslav Belik
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E21 - EARTH DRILLING MINING
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