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Mine control system
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Patent number 10,260,343
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Issue date Apr 16, 2019
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Sandvik Mining and Construction Oy
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Jussi Puura
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G06 - COMPUTING CALCULATING COUNTING
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Wear plates
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Patent number 10,066,371
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Issue date Sep 4, 2018
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Winter Equipment Company
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Kent Winter
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cutting tool system
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Patent number 9,903,201
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Issue date Feb 27, 2018
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Antraquip Corporation
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Thomas Mitterndorfer
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E21 - EARTH DRILLING MINING
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Continuous surface mining system
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Patent number 8,511,756
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Issue date Aug 20, 2013
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Joy MM Delaware, Inc.
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Brad Neilson
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Coiled tubing drilling system
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Patent number 7,753,141
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Issue date Jul 13, 2010
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CMTE Development Limited
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Timothy Gregory Hamilton Meyer
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E21 - EARTH DRILLING MINING
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Directional rod pusher
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Patent number 5,070,948
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Issue date Dec 10, 1991
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The Charles Machine Works, Inc.
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G. Edwin Malzahn
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E21 - EARTH DRILLING MINING
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Directional rod pusher
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Patent number 4,945,999
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Issue date Aug 7, 1990
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The Charles Machine Works, Inc.
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G. Edwin Malzahn
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E21 - EARTH DRILLING MINING
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Earth auger
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Patent number 4,691,787
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Issue date Sep 8, 1987
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Kabushiki Kaisha Iseki Kaihatsu Koki
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Toshio Akesaka
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E21 - EARTH DRILLING MINING
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Drive mechanism for drill
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Patent number 4,431,063
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Issue date Feb 14, 1984
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The Bendix Corporation
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Michael O. Dressel
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E21 - EARTH DRILLING MINING
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Flexible shaft and roof drilling system
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Patent number 4,290,494
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Issue date Sep 22, 1981
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The United States of America as represented by the United States Department o...
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John H. Blanz
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E21 - EARTH DRILLING MINING
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Torquer/thruster
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Patent number 4,273,199
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Issue date Jun 16, 1981
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John H. Blanz
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E21 - EARTH DRILLING MINING
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Torquer/thruster
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Patent number 4,262,756
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Issue date Apr 21, 1981
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John H. Blanz
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E21 - EARTH DRILLING MINING