Atlas Copco Berema AB

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B25D PERCUSSIVE TOOLS 317
 
  
 
B23B TURNING; BORING 151
 
  
 
B25F COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR 122
 
  
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6112831 Handle frame for percussive hand held machinesMay 04, 98Sep 05, 00[B25D]
5947211 Vibration-damped machine driven toolApr 10, 98Sep 07, 99[B25D, B25F]
5921327 Pneumatic impact tool having an integrally formed one-piece housingJan 02, 98Jul 13, 99[B23B]
D386055 Handle for machine driven breaker toolJan 05, 96Nov 11, 97[0806]
5450911 Safety arrangement for driving toolsDec 10, 93Sep 19, 95[B25D]
5445232 Hydraulic breaking hammerOct 05, 94Aug 29, 95[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6283141 Dosage deviceExpiredJan 05, 99Sep 04, 01[F16K, F16N, F04F]
5944118 Pneumatic impact breakerExpiredFeb 10, 97Aug 31, 99[B25D]
5878823 Hydraulic breaking hammerExpiredMay 16, 97Mar 09, 99[B25D]
5875856 Throttle for a motor driven hammer mechanismExpiredSep 30, 97Mar 02, 99[B25D]
5775196 Valve arrangement in compressed air driven motorsExpiredAug 16, 96Jul 07, 98[F01L]
5749421 Pneumatic impact breakerExpiredDec 06, 96May 12, 98[B25D]
5702112 Tool locking apparatus for machine hammersExpiredJun 13, 95Dec 30, 97[B25D]
5542784 Method and means for driving pipes into the ground and cartridge used therefor and for subsequent pipe blastingExpiredDec 10, 93Aug 06, 96[E02D]
5159814 Pneumatic impulse motor with gas cushionExpiredOct 26, 90Nov 03, 92[F01L, F15B]
5097913 Portable percussive machineExpiredOct 26, 90Mar 24, 92[B25D]
5088566 Hand held hammer machineExpiredOct 26, 90Feb 18, 92[B25D]
5083499 Impact motor with improved sealing of a drive pistonExpiredOct 26, 90Jan 28, 92[F02F, F16J]
5052498 Portable hammer machineExpiredOct 26, 90Oct 01, 91[B23B]
D319959 Hand-held toolExpiredOct 13, 88Sep 17, 91[]
D319960 Hand-held toolExpiredOct 13, 88Sep 17, 91[]
5048618 Hammer machineExpiredMar 06, 90Sep 17, 91[B23B]

Top Inventors for This Owner

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