Assignee
JOY TECHNOLOGIES INC
US·31 granted patents·1,250 citations·filing 1986–1993
Top patents by PatentIndex Score
31 records- 0197US5088797AMethod and apparatus for holding a cutting bitJOY TECHNOLOGIES INC·Filed 1990·Granted Feb 18, 1992·142 cites·28 claims
- 0296US5302005AApparatus for holding a cutting bitJOY TECHNOLOGIES INC·Filed 1993·Granted Apr 12, 1994·121 cites·28 claims
- 0395US4915455AMiner cutting bit holding apparatusJOY TECHNOLOGIES INC·Filed 1988·Granted Apr 10, 1990·124 cites·22 claims
- 0492US5106166ACutting bit holding apparatusJOY TECHNOLOGIES INC·Filed 1990·Granted Apr 21, 1992·99 cites·3 claims
- 0588US4828339ACrawler chainJOY TECHNOLOGIES INC·Filed 1986·Granted May 9, 1989·54 cites·9 claims
- 0687US5011229AMiner cutting bit holding apparatusJOY TECHNOLOGIES INC·Filed 1990·Granted Apr 30, 1991·76 cites·23 claims
- 0783US4917232AFlexible conveyor belt supporting structureJOY TECHNOLOGIES INC·Filed 1988·Granted Apr 17, 1990·40 cites·11 claims
- 0882US5000310AChain and flight conveyorJOY TECHNOLOGIES INC·Filed 1989·Granted Mar 19, 1991·41 cites·2 claims
- 0982US4828327ABit holder for minerJOY TECHNOLOGIES INC·Filed 1988·Granted May 9, 1989·50 cites·7 claims
- 1081US5165766ATram chain connection linkJOY TECHNOLOGIES INC·Filed 1991·Granted Nov 24, 1992·39 cites·14 claims
- 1176US5088594AChain and flight conveyorJOY TECHNOLOGIES INC·Filed 1990·Granted Feb 18, 1992·37 cites·3 claims
- 1273US4773528AMaterial transfer unit for ground-mounted FCTJOY TECHNOLOGIES INC·Filed 1986·Granted Sep 27, 1988·33 cites·9 claims
- 1372US5156256AElevated auxiliary conveying apparatusJOY TECHNOLOGIES INC·Filed 1992·Granted Oct 20, 1992·27 cites·8 claims
- 1470US4865185ACrawler-mounted conveying trainJOY TECHNOLOGIES INC·Filed 1986·Granted Sep 12, 1989·38 cites·17 claims
- 1567US5163545AAuxiliary conveying apparatus for use with mobile articulated conveyorsJOY TECHNOLOGIES INC·Filed 1992·Granted Nov 17, 1992·24 cites·12 claims
- 1664US4944560AMiner cutting bit holding apparatusJOY TECHNOLOGIES INC·Filed 1989·Granted Jul 31, 1990·38 cites·8 claims
- 1764US4856384ARoof bolt drill pot driveJOY TECHNOLOGIES INC·Filed 1988·Granted Aug 15, 1989·25 cites·9 claims
- 1863US5026218ATemporary roof support cylinderJOY TECHNOLOGIES INC·Filed 1989·Granted Jun 25, 1991·25 cites·7 claims
- 1963US5004098AConveyor beltJOY TECHNOLOGIES INC·Filed 1989·Granted Apr 2, 1991·29 cites·6 claims
- 2059US5161670AAuxiliary conveying apparatus for elevationally selectable dischargeJOY TECHNOLOGIES INC·Filed 1992·Granted Nov 10, 1992·19 cites·15 claims
- 2159US4865184AChain conveyor driveJOY TECHNOLOGIES INC·Filed 1988·Granted Sep 12, 1989·15 cites·3 claims
- 2257US5254047AChain take-up apparatusJOY TECHNOLOGIES INC·Filed 1991·Granted Oct 19, 1993·24 cites·8 claims
- 2355US4947535AMethod which provides for the placement of a bit point of a bit at a predetermined positionJOY TECHNOLOGIES INC·Filed 1989·Granted Aug 14, 1990·15 cites·13 claims
- 2452US4919252AChain conveyor for minerJOY TECHNOLOGIES INC·Filed 1988·Granted Apr 24, 1990·18 cites·5 claims
- 2548US4897904AApparatus which provides for the placement of a bit point of a bit at a predetermined positionJOY TECHNOLOGIES INC·Filed 1988·Granted Feb 6, 1990·12 cites·31 claims
- 2646US5072826AChain conveyor for minerJOY TECHNOLOGIES INC·Filed 1990·Granted Dec 17, 1991·16 cites·1 claims
- 2744US4932481ARoof bolt drill supportJOY TECHNOLOGIES INC·Filed 1988·Granted Jun 12, 1990·15 cites·6 claims
- 2843US4817908ASeat suspension for underground mining machinesJOY TECHNOLOGIES INC·Filed 1987·Granted Apr 4, 1989·20 cites·10 claims
- 2940US5242358AMachine tool accessory mounting method and apparatusJOY TECHNOLOGIES INC·Filed 1991·Granted Sep 7, 1993·10 cites·13 claims
- 3040US4813530AConveyor drive for minerJOY TECHNOLOGIES INC·Filed 1986·Granted Mar 21, 1989·10 cites·9 claims
- 3137US5285736APressure relief apparatus for a vesselJOY TECHNOLOGIES INC·Filed 1992·Granted Feb 15, 1994·14 cites·9 claims
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