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JOY TECHNOLOGIES INC
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PITTSBURGH, PA, US
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Patents Grants
last 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
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Trademark
last 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