Assignee
JOY MM DELAWARE INC
US·167 granted patents·23 pending applications·1,649 citations·filing 1993–2018
Top patents by PatentIndex Score
190 records- 0197US9440800B1Conveyor slip detection and controlJOY MM DELAWARE INC·Filed 2015·Granted Sep 13, 2016·13 cites·20 claims
- 0297US9440797B1Conveyor chain map for a mining systemJOY MM DELAWARE INC·Filed 2015·Granted Sep 13, 2016·20 cites·20 claims
- 0396US10150617B2Sound dampening conveyor chain flightJOY MM DELAWARE INC·Filed 2017·Granted Dec 11, 2018·12 cites·19 claims
- 0496US10106325B2Chain conveyor with cast sectionsJOY MM DELAWARE INC·Filed 2018·Granted Oct 23, 2018·12 cites·17 claims
- 0596US6662932B1Chain and flight conveyor with swivel linksJOY MM DELAWARE INC·Filed 2003·Granted Dec 16, 2003·64 cites·2 claims
- 0696US5725283AApparatus for holding a cutting bitJOY MM DELAWARE INC·Filed 1996·Granted Mar 10, 1998·161 cites·25 claims
- 0793US10392193B2Chain conveyor linkJOY MM DELAWARE INC·Filed 2018·Granted Aug 27, 2019·7 cites·21 claims
- 0893US9527675B2Chain tension sensorJOY MM DELAWARE INC·Filed 2015·Granted Dec 27, 2016·12 cites·22 claims
- 0993US9415939B2Chain and flight conveyorJOY MM DELAWARE INC·Filed 2015·Granted Aug 16, 2016·20 cites·20 claims
- 1093US7934776B2Mining machine with driven disc cuttersJOY MM DELAWARE INC·Filed 2007·Granted May 3, 2011·52 cites·4 claims
- 1192US9884729B1Spring retainer for high angle conveyorJOY MM DELAWARE INC·Filed 2016·Granted Feb 6, 2018·15 cites·16 claims
- 1292US9470087B2Cutter head for mining machineJOY MM DELAWARE INC·Filed 2013·Granted Oct 18, 2016·17 cites·35 claims
- 1391US9932177B2Systems and methods for tensioning a conveyor in a mining systemJOY MM DELAWARE INC·Filed 2017·Granted Apr 3, 2018·13 cites·21 claims
- 1491US8727450B2Mining machine with driven disc cuttersJOY MM DELAWARE INC·Filed 2012·Granted May 20, 2014·20 cites·28 claims
- 1591US7607866B2Drilling rigJOY MM DELAWARE INC·Filed 2006·Granted Oct 27, 2009·49 cites·12 claims
- 1690US10442627B2Chain conveyor and coupler link for sameJOY MM DELAWARE INC·Filed 2018·Granted Oct 15, 2019·5 cites·19 claims
- 1790US9522789B1Controlling a conveyor in a mining systemJOY MM DELAWARE INC·Filed 2015·Granted Dec 20, 2016·10 cites·20 claims
- 1889US10399437B2Coupled compound planetary transmission for a wheel unitJOY MM DELAWARE INC·Filed 2016·Granted Sep 3, 2019·14 cites·28 claims
- 1989US10233026B2Conveyor system and method for removing slack in conveyorJOY MM DELAWARE INC·Filed 2017·Granted Mar 19, 2019·8 cites·19 claims
- 2089US10087754B2Longwall system face alignment detection and steeringJOY MM DELAWARE INC·Filed 2016·Granted Oct 2, 2018·8 cites·17 claims
- 2189US10082567B2Longwall system creep detectionJOY MM DELAWARE INC·Filed 2016·Granted Sep 25, 2018·10 cites·14 claims
- 2289US10082026B2Horizon monitoring for longwall systemJOY MM DELAWARE INC·Filed 2017·Granted Sep 25, 2018·8 cites·20 claims
- 2389US9205431B2Variable speed motor drive for industrial machineJOY MM DELAWARE INC·Filed 2013·Granted Dec 8, 2015·7 cites·18 claims
- 2488US10144316B2Seat modules for a mining vehicleJOY MM DELAWARE INC·Filed 2015·Granted Dec 4, 2018·9 cites·17 claims
- 2588US9139375B2Chain tension sensorJOY MM DELAWARE INC·Filed 2014·Granted Sep 22, 2015·10 cites·27 claims
- 2687US10604347B2Drive shaft and sprockets for chain conveyorJOY MM DELAWARE INC·Filed 2018·Granted Mar 31, 2020·3 cites·17 claims
- 2787US9771799B2Conveyor bridgeJOY MM DELAWARE INC·Filed 2016·Granted Sep 26, 2017·7 cites·20 claims
- 2886US9096389B2Advancing longwall system for surface miningJOY MM DELAWARE INC·Filed 2014·Granted Aug 4, 2015·6 cites·13 claims
- 2986US8950822B2Fiber optic cable protection in a mining systemJOY MM DELAWARE INC·Filed 2013·Granted Feb 10, 2015·9 cites·29 claims
- 3086US6651804B2Self-propelled articulated conveyor systemJOY MM DELAWARE INC·Filed 2002·Granted Nov 25, 2003·39 cites·15 claims
- 3185US10155624B1Magnetic seal for conveyor belt assemblyJOY MM DELAWARE INC·Filed 2017·Granted Dec 18, 2018·9 cites·18 claims
- 3285US9776803B2Controlling a conveyor in a mining systemJOY MM DELAWARE INC·Filed 2017·Granted Oct 3, 2017·5 cites·1 claims
- 3385US9283866B2Overhead power grid for mobile mining machinesJOY MM DELAWARE INC·Filed 2015·Granted Mar 15, 2016·4 cites·18 claims
- 3485US9221617B2Conveyor carriage position monitoringJOY MM DELAWARE INC·Filed 2014·Granted Dec 29, 2015·17 cites·20 claims
- 3584US10024157B2Spray nozzle for underground roof supportJOY MM DELAWARE INC·Filed 2016·Granted Jul 17, 2018·8 cites·21 claims
- 3684US9810065B2Controlling an output of a mining systemJOY MM DELAWARE INC·Filed 2015·Granted Nov 7, 2017·6 cites·34 claims
- 3783US9809393B2Controlling a conveyor in a mining systemJOY MM DELAWARE INC·Filed 2015·Granted Nov 7, 2017·6 cites·19 claims
- 3883US9726017B2Horizon monitoring for longwall systemJOY MM DELAWARE INC·Filed 2015·Granted Aug 8, 2017·5 cites·27 claims
- 3983US7115822B1Indirect entry cable gland assemblyJOY MM DELAWARE INC·Filed 2006·Granted Oct 3, 2006·33 cites·16 claims
- 4083US5692807AHighwall mining apparatusJOY MM DELAWARE INC·Filed 1995·Granted Dec 2, 1997·64 cites·21 claims
- 4182US6497536B1Roof support arrangement for mining apparatus and roof bolting equipmentJOY MM DELAWARE INC·Filed 1999·Granted Dec 24, 2002·48 cites·17 claims
- 4281US10589285B2Feeder breaker with reduced fines generationJOY MM DELAWARE INC·Filed 2017·Granted Mar 17, 2020·1 cites·19 claims
- 4380US9506343B2Pan pitch control in a longwall shearing systemJOY MM DELAWARE INC·Filed 2014·Granted Nov 29, 2016·12 cites·19 claims
- 4479US9797251B2Systems and methods for controlling a conveyor in a mining systemJOY MM DELAWARE INC·Filed 2016·Granted Oct 24, 2017·4 cites·20 claims
- 4579US9475647B2Winch drum tension isolation systemJOY MM DELAWARE INC·Filed 2014·Granted Oct 25, 2016·4 cites·23 claims
- 4678US9359144B2Multi-piece shaftJOY MM DELAWARE INC·Filed 2015·Granted Jun 7, 2016·5 cites·19 claims
- 4778US9056558B2Overhead power grid for mobile mining machinesJOY MM DELAWARE INC·Filed 2013·Granted Jun 16, 2015·5 cites·24 claims
- 4878US9056727B2Multi-piece shaftJOY MM DELAWARE INC·Filed 2014·Granted Jun 16, 2015·7 cites·18 claims
- 4978US7467510B2Chain link anti-knuckle insertJOY MM DELAWARE INC·Filed 2007·Granted Dec 23, 2008·12 cites·3 claims
- 5077USRE47498EMethod for steering a mining machine cutterJOY MM DELAWARE INC·Filed 2014·Granted Jul 9, 2019·3 cites·6 claims
Showing the top 50 of 190 patent records by PatentIndex Score.
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