JOY MM DELAWARE, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E21C MINING OR QUARRYING961
 
 
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 5123
 
 
 
E21F SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS 322
 
 
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 232
 
 
 
E21B EARTH OR ROCK DRILLING 1086
 
 
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 728
 
 
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES772
 
 
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 787
 
 
 
B62D MOTOR VEHICLES; TRAILERS 685
 
 
 
B60L ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL 571

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0342,835 CUTTING DEVICE WITH TAPERED CUTTING ELEMENTMay 26, 17Nov 30, 17[E21B, E21D, E21C, E02F]
2017/0247,196 CONVEYOR SUPPORT STRUCTURE AND RETAINER FOR SAMEFeb 24, 17Aug 31, 17[E21F, B65G]
2017/0203,924 TAKE-UP MECHANISM FOR CONVEYOR SYSTEMMar 29, 17Jul 20, 17[E21F, B65G]
2017/0167,259 GUIDE SHOE FOR MINING MACHINEDec 09, 16Jun 15, 17[E21C]
2017/0159,436 SPRAY NOZZLE FOR UNDERGROUND ROOF SUPPORTDec 02, 16Jun 08, 17[E21D, E21F]
2017/0101,270 BRAKE SYSTEM FOR CONVEYOR TAKE-UP MECHANISMOct 07, 16Apr 13, 17[B65G]
2017/0009,577 BIT CONFIGURATION FOR A CUTTER HEADJul 10, 15Jan 12, 17[E21C]
2016/0298,452 SYSTEM AND METHOD OF DETECTING DULL AND WORN CUTTER BITSApr 08, 16Oct 13, 16[E21C]
2016/0298,453 BIT ASSEMBLY FOR CUTTER HEADApr 11, 16Oct 13, 16[E21C]
2016/0288,134 MOBILE SIZER WITH REDUCED FINES GENERATIONMar 31, 16Oct 06, 16[B07B, B02C]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9920624 System and method of detecting dull and worn cutter bitsApr 08, 16Mar 20, 18[E21C]
9903202 Shield for sumping frame of mining machineSep 28, 15Feb 27, 18[E21C, E21F]
9884729 Spring retainer for high angle conveyorDec 15, 16Feb 06, 18[F16M, B65G, F16F]
9873566 Drive isolation systems and methods for conveyorsFeb 25, 15Jan 23, 18[B65G]
9874095 Cutting bit and extraction tool for sameApr 11, 16Jan 23, 18[E21C]
9868592 Brake system for conveyor take-up mechanismOct 07, 16Jan 16, 18[B65G]
9856088 Adjustable idler support system for conveyor beltJul 12, 16Jan 02, 18[B65G]
9850073 Take-up mechanism for conveyor systemMar 29, 17Dec 26, 17[E21C, E21F, B65G]
9850755 Bit configuration for a cutter headJul 10, 15Dec 26, 17[E21C]
9834383 Sound dampening conveyor chain flightSep 14, 16Dec 05, 17[B65G]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9476300 Pan pitch control in a longwall shearing systemWithdrawnAug 28, 14Oct 25, 16[E21C]
2016/0265,354 MINING MACHINE WITH DRIVEN DISC CUTTERSAbandonedMay 24, 16Sep 15, 16[E21C]
2015/0376,862 CONTINUOUS-EXTRACTION MINING SYSTEMAbandonedSep 09, 15Dec 31, 15[E02F]
2015/0086,280 ROOF SUPPORT SHEET HANDLING FOR UNDERGROUND MINESAbandonedDec 03, 14Mar 26, 15[E21D]
2015/0061,350 SHEARER ANTI-COLLISIONAbandonedAug 29, 14Mar 05, 15[E21C, E21F]
2015/0056,583 UNDERGROUND MINING TRAINING SIMULATORAbandonedAug 20, 14Feb 26, 15[G09B]
2014/0265,528 CUTTER HEAD FOR LONGWALL SHEARERAbandonedMar 14, 14Sep 18, 14[E21B]
8827059 Low friction sheave bracketWithdrawnMar 02, 12Sep 09, 14[B65H]
2014/0166,419 SHUTTLE CAR SPRING-ASSISTED SWINGING SHEAVE BRACKETAbandonedDec 11, 13Jun 19, 14[B60L, B65H]
2014/0125,111 CONTINUOUS MINER CENTER DRUM WITH OFFSET SPLIT SURFACESAbandonedJan 13, 14May 08, 14[E21C]
8590982 Longwall mining roof supportsExpiredJul 09, 10Nov 26, 13[E21D]
2013/0256,100 CONVEYOR BELT REPAIR TOOLAbandonedFeb 27, 13Oct 03, 13[F16G]
8322795 Miner cutting bit holding apparatusExpiredJan 22, 10Dec 04, 12[E21C]
2012/0273,403 RECLAIMER SYSTEMAbandonedApr 26, 11Nov 01, 12[E21B, B65G, B01D]
2012/0253,583 IMAGING-BASED PROXIMITY DETECTION SYSTEMS FOR MINING MACHINESAbandonedApr 01, 11Oct 04, 12[G05B, G06F, G05D]
8141696 Replaceable sound dampening conveyor chain flightExpiredApr 30, 09Mar 27, 12[B65G]
2012/0032,494 UNDERGROUND BORING MACHINEAbandonedAug 03, 11Feb 09, 12[E21C]
2012/0007,412 CONTINUOUS-EXTRACTION MINING SYSTEMAbandonedJul 08, 11Jan 12, 12[E21C, E02F, B65G]
2011/0254,347 METHOD FOR CONTINUOUS OPERATION OF A SURFACE MINERAbandonedApr 15, 11Oct 20, 11[E21C]
2011/0181,095 RACK BAR HAULAGE SYSTEM WITH AN IMPROVED RACKBAR TO LINE PAN CONNECTIONAbandonedJan 22, 10Jul 28, 11[E21C]

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