Tiefenbach Bergbautechnik GmbH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 243
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
E21C MINING OR QUARRYING121
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6535771 Extraction controller for mining--extraction machinesJun 14, 00Mar 18, 03[G05B]
6481802 Control system for longwall face alignmentAug 08, 00Nov 19, 02[E21C]
6375154 Seat and holding valveApr 19, 00Apr 23, 02[F16K]
6263913 Hydraulic multiway valveMay 25, 00Jul 24, 01[F16K, F15B, G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6983926 Valve arrangement for hydraulic consumerExpiredNov 29, 04Jan 10, 06[F15B]
6978679 Hydraulic pressure sensorExpiredNov 24, 04Dec 27, 05[G01L]
6877277 Coupling for explosion-proof connection of two electric line endsExpiredJun 09, 03Apr 12, 05[H01R]
6509842 Control system for a longwall supportExpiredApr 14, 00Jan 21, 03[G08C]
6361119 Mining control system for adjusting the advance of mining toolsExpiredApr 17, 00Mar 26, 02[E21C]

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