The Cincinnati Mine Machinery Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 463
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
F16G BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR128

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9487358 Conveyor chainDec 19, 14Nov 08, 16[B65G]
9227787 Conveyor chainJul 29, 14Jan 05, 16[B65G]
8936146 Conveyor chainJun 03, 13Jan 20, 15[B65G]
8453826 Conveyor chainSep 15, 09Jun 04, 13[B65G]
8016102 Conveyor chain for mining machineryOct 09, 01Sep 13, 11[B65G, F16G]
5370448 Wedging arrangement for attaching a bit holder to the base member of a mining road working, or earth moving machineMay 17, 93Dec 06, 94[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4766995 Pusher-type conveyor chainExpiredSep 03, 86Aug 30, 88[B65G]
4717206 Endless chains comprised of interdigitated link elements having a Y-shaped configurationExpiredMay 02, 85Jan 05, 88[E21C]
4674803 Endless chains comprised of interdigitated link elements having an H-shaped configurationExpiredMay 02, 85Jun 23, 87[E21C]
4632463 Combined base member and bit holder with protected retainerExpiredAug 03, 84Dec 30, 86[E21B]
4391472 Core eliminator for mining, road working or earth moving machineryExpiredOct 17, 80Jul 05, 83[E21C]
4337980 Wedge arrangements and related means for mounting means, base members, and bits, and combinations thereof, for mining, road working, or earth moving machineryExpiredApr 08, 80Jul 06, 82[E21C]
4275929 Means for removably affixing a cutter bit mounting lug to a base member on the driven element of a mining machine or the likeExpiredAug 25, 78Jun 30, 81[E21C]

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