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JOY TECHNOLOGIES INC

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  • PITTSBURGH, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Apparatus for holding a cutting bit
    • Patent number 5,302,005
    • Issue date Apr 12, 1994
    • Joy Technologies Inc.
    • Michael L. O'Neill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Pressure relief apparatus for a vessel
    • Patent number 5,285,736
    • Issue date Feb 15, 1994
    • Joy Technologies Inc.
    • Thomas F. Sturniolo
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Chain take-up apparatus
    • Patent number 5,254,047
    • Issue date Oct 19, 1993
    • Joy Technologies Inc.
    • Roger C. Anderson
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Machine tool accessory mounting method and apparatus
    • Patent number 5,242,358
    • Issue date Sep 7, 1993
    • Joy Technologies Inc.
    • Dennis Cowles
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tram chain connection link
    • Patent number 5,165,766
    • Issue date Nov 24, 1992
    • Joy Technologies Inc.
    • Terry M. Thomas
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Auxiliary conveying apparatus for use with mobile articulated conve...
    • Patent number 5,163,545
    • Issue date Nov 17, 1992
    • Joy Technologies Inc.
    • Joseph S. David
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Auxiliary conveying apparatus for elevationally selectable discharge
    • Patent number 5,161,670
    • Issue date Nov 10, 1992
    • Joy Technologies Inc.
    • Joseph S. David
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Elevated auxiliary conveying apparatus
    • Patent number 5,156,256
    • Issue date Oct 20, 1992
    • Joy Technologies Inc.
    • Joseph S. David
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Cutting bit holding apparatus
    • Patent number 5,106,166
    • Issue date Apr 21, 1992
    • Joy Technologies Inc.
    • Michael L. O'Neill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Method and apparatus for holding a cutting bit
    • Patent number 5,088,797
    • Issue date Feb 18, 1992
    • Joy Technologies Inc.
    • Michael L. O'Neill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Chain and flight conveyor
    • Patent number 5,088,594
    • Issue date Feb 18, 1992
    • Joy Technologies Inc.
    • Wayne L. Edmondson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Chain conveyor for miner
    • Patent number 5,072,826
    • Issue date Dec 17, 1991
    • Joy Technologies Inc.
    • Edward Wechner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Temporary roof support cylinder
    • Patent number 5,026,218
    • Issue date Jun 25, 1991
    • Joy Technologies Inc.
    • Joseph J. Zimmerman
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Miner cutting bit holding apparatus
    • Patent number 5,011,229
    • Issue date Apr 30, 1991
    • Joy Technologies Inc.
    • Michael L. O'Neill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Conveyor belt
    • Patent number 5,004,098
    • Issue date Apr 2, 1991
    • Joy Technologies Inc.
    • Gary C. Marshall
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Chain and flight conveyor
    • Patent number 5,000,310
    • Issue date Mar 19, 1991
    • Joy Technologies Inc.
    • Wayne L. Edmondson
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Method which provides for the placement of a bit point of a bit at...
    • Patent number 4,947,535
    • Issue date Aug 14, 1990
    • Joy Technologies, Inc.
    • Dennis Cowles
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Miner cutting bit holding apparatus
    • Patent number 4,944,560
    • Issue date Jul 31, 1990
    • Joy Technologies Inc.
    • George A. Osterwise
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Roof bolt drill support
    • Patent number 4,932,481
    • Issue date Jun 12, 1990
    • Joy Technologies Inc.
    • Edward Wechner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Chain conveyor for miner
    • Patent number 4,919,252
    • Issue date Apr 24, 1990
    • Joy Technologies Inc.
    • Edward Wechner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Flexible conveyor belt supporting structure
    • Patent number 4,917,232
    • Issue date Apr 17, 1990
    • Joy Technologies Inc.
    • Neal W. Densmore
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Miner cutting bit holding apparatus
    • Patent number 4,915,455
    • Issue date Apr 10, 1990
    • Joy Technologies Inc.
    • Michael L. O'Neill
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Apparatus which provides for the placement of a bit point of a bit...
    • Patent number 4,897,904
    • Issue date Feb 6, 1990
    • Joy Technologies, Inc.
    • Dennis Cowles
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chain conveyor drive
    • Patent number 4,865,184
    • Issue date Sep 12, 1989
    • Joy Technologies Inc.
    • Edward Wechner
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Crawler-mounted conveying train
    • Patent number 4,865,185
    • Issue date Sep 12, 1989
    • Joy Technologies Inc.
    • Theodore B. Bodimer
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Roof bolt drill pot drive
    • Patent number 4,856,384
    • Issue date Aug 15, 1989
    • Joy Technologies Inc.
    • Edward Wechner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Bit holder for miner
    • Patent number 4,828,327
    • Issue date May 9, 1989
    • Joy Technologies Inc.
    • Edward Wechner
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Crawler chain
    • Patent number 4,828,339
    • Issue date May 9, 1989
    • Joy Technologies Inc.
    • Terry M. Thomas
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Seat suspension for underground mining machines
    • Patent number 4,817,908
    • Issue date Apr 4, 1989
    • Joy Technologies Inc.
    • Ronald D. Hanlon
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Conveyor drive for miner
    • Patent number 4,813,530
    • Issue date Mar 21, 1989
    • Joy Technologies Inc.
    • Edward Wechner
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

  • Information Trademark

    73792544 - ENERGY THE RIGHT WAY
    • Serial number 73792544
    • Registration number 1605948
    • Filing date Mar 28, 1989
    • JOY TECHNOLOGIES INC.
    • 37 - Building construction
  • Information Trademark

    73595289
    • Serial number 73595289
    • Registration number 1601885
    • Filing date Apr 25, 1986
    • Joy Manufacturing Company
    • 7 - Machines and machine tools