JACK KENNEDY METAL PRODUCTS & BUILDINGS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E21F SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS 331
 
 
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 117
 
 
 
E05F DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING534
 
 
 
E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 540
 
 
 
E02D FOUNDATIONS; EXCAVATIONS; EMBANKMENTS 221
 
 
 
E04F FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS 225
 
 
 
E05C BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS 234
 
 
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 120
 
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
 
 
B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS 115

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9447684 Mine stopping panel with end caps and louver connectionsAug 19, 13Sep 20, 16[E21F]
9447685 Mine ventilation structure and a deck panel for such a structureApr 14, 15Sep 20, 16[E21F, E04F]
9341061 Method of opening a mine door leafJul 01, 14May 17, 16[E21F, E06B, E05F]
8960419 Box check for conveyor belt and method of installationMar 04, 13Feb 24, 15[E21F, B65G]
8800204 Articulated mine door opening mechanismFeb 19, 10Aug 12, 14[E05F]
8678515 Mine refugeJan 19, 07Mar 25, 14[E21F]
8444108 Mine seal with electrically non-conductive tiesFeb 09, 09May 21, 13[E04G]
8220094 Reinforced mine ventilation deviceJul 17, 09Jul 17, 12[E21F, E01D, B63C]
8172153 Energy usage control for a buildingDec 29, 05May 08, 12[F24D]
8162569 High-strength anchor system, safe room bulkhead, and method of anchoring a support to mine strataJun 08, 10Apr 24, 12[E21D, E02D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
9394788 Mine ventilation structure and a deck panel for such a structureWithdrawnApr 14, 15Jul 19, 16[E21F, E04F]
2004/0175,238 Permanent stopping form and method of installing sameAbandonedJan 06, 04Sep 09, 04[E21D, E21F, E02D]
2003/0079,423 Mine door leaf and method of manufacture thereofAbandonedNov 01, 01May 01, 03[E06B]
2003/0082,010 Mine stoppingAbandonedSep 30, 02May 01, 03[E21D]
RE34053 Mine door systemExpiredOct 17, 90Sep 01, 92[E21D, E21F]
4820081 Head seal for a mine stoppingExpiredJan 19, 88Apr 11, 89[E21F]
4695035 Jack for installing a mine stoppingExpiredOct 25, 85Sep 22, 87[B66F]
4547094 Mine stoppingExpiredJan 30, 84Oct 15, 85[E21F]
4523406 Door frame and door assembly for a mine stoppingExpiredJul 15, 83Jun 18, 85[E05D]
4484837 Mine stopping lap-over panel clampExpiredJul 11, 83Nov 27, 84[E21D, E21F]
4483642 Mine stopping and method of and jack for installing sameExpiredMay 11, 82Nov 20, 84[E21F]
4478535 Mine stopping with man door and door frame assemblyExpiredDec 27, 82Oct 23, 84[E21F]
4373294 Door for a mine stopping having knife-edge hingesExpiredOct 17, 80Feb 15, 83[E05D]

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