AMERICAN MINE DOOR CO.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 WING336
 
  
 
E06B FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES 342
 
  
 
E21F SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS 310
 
  
 
E05D HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS, OR WINGS 133
 
  
 
G08B SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS 193

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9476301 Mine ventilation door with wings and slidable or pocket personnel doorFeb 22, 13Oct 25, 16[E21F, E06B, E05F]
9181802 Robust mine ventilation door with single actuation systemFeb 22, 13Nov 10, 15[E21F, E06B, E05F]
8884760 Control system for mine ventilation doorFeb 22, 13Nov 11, 14[G08B, E21F, E06B, E05F]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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