Etablissements Montabert

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139
 
  
 
B25D PERCUSSIVE TOOLS 119
 
  
 
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
6176324 Drilling deviceJun 29, 99Jan 23, 01[E21B]
5392865 Hydraulic percussion apparatusMay 28, 92Feb 28, 95[B23Q]
5388842 Device for holding the tool of a hydraulic rock breakerJun 15, 93Feb 14, 95[B25D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6857482 Percussive implement of the rock breaker typeExpiredNov 22, 02Feb 22, 05[B25D]
5946830 Concrete crushing tongsExpiredOct 20, 98Sep 07, 99[E02F]
5822893 Concrete crushing tongsExpiredJan 03, 97Oct 20, 98[E02F]
5669281 Method and machine for altering the striking stroke of a percussive machine moved by a pressurized incompressible fluidExpiredNov 30, 95Sep 23, 97[F01L]
4899836 Hydraulic percussion instrument and method of operating sameExpiredJul 16, 86Feb 13, 90[B23B]
4858702 Hydraulic distributor for percussion apparatus driven by an incompressible fluid under pressureExpiredJul 18, 88Aug 22, 89[B23B]
4800797 Hydraulic percussion device and method of controlling sameExpiredAug 07, 87Jan 31, 89[F01L, F01B]
4601000 Electrohydraulic control system for a rockdrill assemblyExpiredJan 07, 83Jul 15, 86[B25J]
4558763 Muffler for a pneumatic hammerExpiredMay 21, 80Dec 17, 85[B23B, B25D]
4508017 Fluid-control system for a hydraulic percussion instrumentExpiredJul 14, 82Apr 02, 85[B25D, F16F]
4364540 Support-arm assembly for a drill or borer, particularly for subterranean applicationsExpiredMar 25, 80Dec 21, 82[F16M]
4308926 Pneumatically cushioned percussion apparatusExpiredMay 14, 80Jan 05, 82[F21B]

Top Inventors for This Owner

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