Assignee
KENNEDY JACK METAL PROD
US·25 granted patents·2 pending applications·686 citations·filing 1989–2004
Top patents by PatentIndex Score
27 records- 0189US6425820B1Mine door power drive systemKENNEDY JACK METAL PROD·Filed 2000·Granted Jul 30, 2002·56 cites·41 claims
- 0284US6394707B1Yieldable mine roof supportKENNEDY JACK METAL PROD·Filed 1997·Granted May 28, 2002·61 cites·17 claims
- 0382US5240349APower mine door systemKENNEDY JACK METAL PROD·Filed 1991·Granted Aug 31, 1993·55 cites·16 claims
- 0481US6457906B1Mine stoppingKENNEDY JACK METAL PROD·Filed 2000·Granted Oct 1, 2002·26 cites·22 claims
- 0580US6846132B2Mine stopping and braces thereforKENNEDY JACK METAL PROD·Filed 2003·Granted Jan 25, 2005·30 cites·36 claims
- 0679US6264549B1Mine ventilationKENNEDY JACK METAL PROD·Filed 2000·Granted Jul 24, 2001·30 cites·17 claims
- 0777US5466187AMine ventilation structureKENNEDY JACK METAL PROD·Filed 1993·Granted Nov 14, 1995·44 cites·13 claims
- 0872US6594954B1Mine door installationKENNEDY JACK METAL PROD·Filed 2002·Granted Jul 22, 2003·16 cites·5 claims
- 0972US6220785B1Mine stopping, method of constructing same and panels thereofKENNEDY JACK METAL PROD·Filed 1999·Granted Apr 24, 2001·39 cites·23 claims
- 1070US5412916AStructure having quick-connect componentsKENNEDY JACK METAL PROD·Filed 1993·Granted May 9, 1995·37 cites·18 claims
- 1168US4915540AContractible mine stopping and contractible block member for use thereinKENNEDY JACK METAL PROD·Filed 1989·Granted Apr 10, 1990·28 cites·21 claims
- 1267US6379084B1Mine stoppingKENNEDY JACK METAL PROD·Filed 1999·Granted Apr 30, 2002·28 cites·56 claims
- 1366US6682263B2Multiple tier stopping and method of constructing stoppingKENNEDY JACK METAL PROD·Filed 2003·Granted Jan 27, 2004·15 cites·16 claims
- 1465US6669551B2Mine ventilation structure and deck panels thereforKENNEDY JACK METAL PROD·Filed 2002·Granted Dec 30, 2003·15 cites·22 claims
- 1564US6164871AMine stopping having a swinging doorKENNEDY JACK METAL PROD·Filed 1998·Granted Dec 26, 2000·23 cites·12 claims
- 1663US5222838APower mine door systemKENNEDY JACK METAL PROD·Filed 1992·Granted Jun 29, 1993·29 cites·20 claims
- 1762US6256946B1Adjustable stairway for use with an overcast in a mineKENNEDY JACK METAL PROD·Filed 1999·Granted Jul 10, 2001·30 cites·39 claims
- 1860USRE36853EMine door systemKENNEDY JACK METAL PROD·Filed 1997·Granted Sep 5, 2000·25 cites·1 claims
- 1957US7232368B2Mine ventilationKENNEDY JACK METAL PROD·Filed 2002·Granted Jun 19, 2007·8 cites·27 claims
- 2057US6715961B2Method of supporting mine walls and installing a mine stoppingKENNEDY JACK METAL PROD·Filed 2002·Granted Apr 6, 2004·7 cites·30 claims
- 2157US6419324B1Method of sealing off a mine passagewayKENNEDY JACK METAL PROD·Filed 1998·Granted Jul 16, 2002·24 cites·15 claims
- 2253US5168667ADoor system for a mine stoppingKENNEDY JACK METAL PROD·Filed 1991·Granted Dec 8, 1992·20 cites·7 claims
- 2352US6032986ADoor system for a mine stoppingKENNEDY JACK METAL PROD·Filed 1998·Granted Mar 7, 2000·20 cites·15 claims
- 2451US5795367AMethod of and apparatus for reducing sulfur in combustion gasesKENNEDY JACK METAL PROD·Filed 1996·Granted Aug 18, 1998·11 cites·12 claims
- 2546US2004175238A1Permanent stopping form and method of installing sameKENNEDY JACK METAL PROD·Filed 2004·Application pending·0 cites
- 2645US2003082010A1Mine stoppingKENNEDY JACK METAL PROD·Filed 2002·Application pending·0 cites
- 2740US5812741ASerial sequencers connected in parallelKENNEDY JACK METAL PROD·Filed 1996·Granted Sep 22, 1998·9 cites·13 claims
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