DOVER BMCS ACQUISITION CORPORATION

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E21B EARTH OR ROCK DRILLING 2769
 
 
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 214
 
 
 
B23B TURNING; BORING 151
 
 
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
 
 
B24D TOOLS FOR GRINDING, BUFFING, OR SHARPENING 129
 
 
 
E21C MINING OR QUARRYING121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9903164 Drill bits and drilling apparatuses including the sameMar 24, 15Feb 27, 18[E21B]
9771760 Rotational drill bits and drilling apparatuses including the sameMar 09, 09Sep 26, 17[E21B]
9617795 Rotational drill bits and drilling apparatuses including the sameMar 08, 13Apr 11, 17[E21B]
9598910 Rotational drill bits and drilling apparatuses including the sameJul 25, 14Mar 21, 17[E21D, E21B]
9415447 Drill bits, cutting elements for drill bits, and drilling apparatuses including the sameNov 07, 14Aug 16, 16[E21D, B23B, B24D, E21B]
9371701 Rotational drill bits and drilling apparatuses including the sameOct 16, 13Jun 21, 16[E21B]
9194187 Rotational drill bits and drilling apparatuses including the sameMar 15, 13Nov 24, 15[E21B]
9109412 Rotational drill bits and drilling apparatuses including the sameNov 15, 12Aug 18, 15[E21B]
9080400 Rotational drill bits and drilling apparatuses including the sameNov 07, 11Jul 14, 15[E21B]
9010464 Drill bits and drilling apparatuses including the sameMay 04, 11Apr 21, 15[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6966393 Drill drive steelExpiredJun 02, 03Nov 22, 05[E21B]
6374932 Heat management drilling system and methodExpiredApr 06, 00Apr 23, 02[E21B]
D351174 Roof drill bit for mining machineExpiredJul 19, 93Oct 04, 94[]
D340248 Roof drill bit for miningExpiredMay 23, 91Oct 12, 93[]

Top Inventors for This Owner

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