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Rock cutting device
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Patent number 11,846,190
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Issue date Dec 19, 2023
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Joy Global Underground Mining LLC
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Peter A. Lugg
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E21 - EARTH DRILLING MINING
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Mining or construction vehicle
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Patent number 11,585,154
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Issue date Feb 21, 2023
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Epiroc Rock Drills Aktiebolag
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Oskar Sjöholm
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B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
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Cutter head for mining machine
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Patent number 11,371,346
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Issue date Jun 28, 2022
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Joy Global Underground Mining LLC
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Russell P. Smith
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E21 - EARTH DRILLING MINING
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Cutter head for mining machine
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Patent number 11,339,657
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Issue date May 24, 2022
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Joy Global Underground Mining LLC
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Russell P. Smith
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E21 - EARTH DRILLING MINING
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Cutting apparatus
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Patent number 11,203,931
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Issue date Dec 21, 2021
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Sandvik Intellectual Property AB
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Luis Garcia
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E21 - EARTH DRILLING MINING
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Cutting apparatus
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Patent number 11,047,235
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Issue date Jun 29, 2021
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Sandvik Intellectual Property AB
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Luis Garcia
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E21 - EARTH DRILLING MINING
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Cutting apparatus
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Patent number 10,683,751
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Issue date Jun 16, 2020
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Sandvik Intellectual Property AB
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Georg Scherz
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
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Rock cutting device
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Patent number 10,533,416
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Issue date Jan 14, 2020
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Joy Global Underground Mining LLC
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Peter A. Lugg
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E21 - EARTH DRILLING MINING
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Cutter head for mining machine
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Patent number 10,472,961
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Issue date Nov 12, 2019
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Joy Global Underground Mining LLC
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Russell P. Smith
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E21 - EARTH DRILLING MINING
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Cutting apparatus and method of operating
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Patent number 10,352,166
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Issue date Jul 16, 2019
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Sandvik Intellectual Property AB
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Bernhard Ebner
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F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL