Atlas Copco Aktiebolag

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01M LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL-COMBUSTION ENGINES; CRANKCASE VENTILATING 231
 
  
 
B23B TURNING; BORING 151
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6810974 Quick release drill bit for down-hole drillsMar 20, 03Nov 02, 04[B23B, E21B]
6799641 Percussive drill with adjustable flow controlJun 20, 03Oct 05, 04[B23Q]
6273429 Labyrinth cartridge seal, and centrifugal compressor applications thereofJul 09, 98Aug 14, 01[F16J]
5588503 Flow controllerAug 21, 95Dec 31, 96[F01M]
5199528 Flow controllerDec 05, 91Apr 06, 93[F01M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D325502 Power screw driverExpiredApr 12, 89Apr 21, 92[]
D319959 Hand-held toolExpiredOct 13, 88Sep 17, 91[]
5042363 Device for remote control, with possibility for direct control, hydraulic directional valvesExpiredNov 01, 89Aug 27, 91[F15B]
5014794 Power driven tool and drive system thereforExpiredJul 07, 89May 14, 91[B25B]
4993923 Rotary compressor with capacity regulation valveExpiredJan 12, 88Feb 19, 91[F04C]
D313027 Joystick handle for electrical-hydraulic control systemsExpiredSep 30, 87Dec 18, 90[]
4924996 Method for positioning a number of working implements relative to a car bodyExpiredJul 17, 89May 15, 90[B65G]
4884745 Method and apparatus for insulating a spray liquid source from high voltage of an electrostatic spray gunExpiredMar 12, 87Dec 05, 89[B05B]
4884942 Thrust monitoring and balancing apparatusExpiredDec 16, 88Dec 05, 89[F01D]
4884995 Hydraulic torque impulse generatorExpiredMay 02, 88Dec 05, 89[B25D, B25B]
4881435 Power tool for two step tightening of screw jointsExpiredJan 21, 88Nov 21, 89[B25B]
4881688 Device for insulating the spray liquid source from the high tension voltage of an electrostatic spray system when using an electrically conductive spray liquidExpiredOct 31, 88Nov 21, 89[B05B]
4870921 Device for positioning a number of working implements relative to a car bodyExpiredOct 06, 88Oct 03, 89[B05C, B62D]
4871035 Damping device for a percussion rock drilling machineExpiredOct 07, 87Oct 03, 89[B23B]
4854916 Hydraulic torque impulse generator with bypass mechanismExpiredAug 24, 88Aug 08, 89[B25D]
4842078 Screw joint tightening power toolExpiredNov 07, 88Jun 27, 89[B25B]
4834192 Two-speed power toolExpiredJun 17, 87May 30, 89[B25B]
4834580 Method and device for driving a tunnelExpiredOct 26, 87May 30, 89[E21D]
4789373 Hydraulic torque impulse generatorExpiredApr 13, 88Dec 06, 88[B25D]
4778015 Pneumatic power wrenchExpiredDec 18, 86Oct 18, 88[B23B]

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