ATLAS COPCO CRAELIUS AB

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 987
 
  
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 214
 
  
 
F16D COUPLINGS FOR TRANSMITTING ROTATION 190

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2015/0152,697 DEVICE AND METHOD FOR HANDLING DRILL STRING COMPONENTS IN ROCK DRILLING AND ROCK DRILL RIGJun 25, 13Jun 04, 15[E21B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9790752 Handling device and method for handling drill string components in rock drilling and rock drill rigJun 25, 13Oct 17, 17[E21B]
9540891 Device and method for handling drill string components and drill rigApr 13, 11Jan 10, 17[E21B]
9428970 Device and method for handling drill string components, as well as rock drilling rigNov 30, 11Aug 30, 16[E21B]
9004609 Method and device for working rockOct 29, 09Apr 14, 15[E21D, E21C]
8950823 Method and device for working rockJan 26, 11Feb 10, 15[E21D, E21C]
7878271 Drill bitJun 22, 05Feb 01, 11[E21B]
7779908 Arrangement for affixing an expandable packer in a holeJul 07, 05Aug 24, 10[E21B]
6860343 Drill rod holderNov 13, 02Mar 01, 05[E21B]
6708784 Core barrel valve assemblyFeb 21, 02Mar 23, 04[E21B]
6446541 Method and device for jointing rods and piston pump including the deviceOct 25, 00Sep 10, 02[F16D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0052,995 Arrangement for injecting and affixing a reinforcing or anchoring element in a rock wallAbandonedJul 07, 05Feb 26, 09[E21D]
6820703 Locking device for a wire line core drilling system and a method for core drillingExpiredFeb 21, 02Nov 23, 04[E21B]
6148934 Coupling piece for use at simultaneous earth and/or rock drilling with an upper rotary percussion device and a lower percussion deviceExpiredMar 15, 99Nov 21, 00[E21B]
6016878 Method and device for drillingExpiredFeb 26, 98Jan 25, 00[E21B]
5996710 Drilling deviceExpiredJan 12, 98Dec 07, 99[E21B]
5845720 Method for providing a substantially leakproof shielding layer in the ground and a device for performing the methodExpiredNov 04, 96Dec 08, 98[E02D, E21B]
5813484 Casing tube with casing shoeExpiredMar 31, 97Sep 29, 98[E21B]
5795079 Shaft bearing in a rock and ground-drilling machineExpiredJun 07, 96Aug 18, 98[E21C]
5738388 Device for permanent joining of tubesExpiredNov 04, 96Apr 14, 98[F16L]

Top Inventors for This Owner

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