Hawera Probst GmbH & Co.

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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
 
  
 
B23B TURNING; BORING 448
 
  
 
B25D PERCUSSIVE TOOLS 119
 
  
 
E21C MINING OR QUARRYING121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8215415 ChiselJul 08, 02Jul 10, 12[B25D, B28D]
7001120 Drilling toolSep 30, 02Feb 21, 06[B23B]
6976549 Drilling toolFeb 28, 03Dec 20, 05[E21B, E21C]
6910838 Rock drillFeb 24, 01Jun 28, 05[B23B]
6868924 Rock drillNov 06, 02Mar 22, 05[E21B]
6742610 Rock drillSep 03, 02Jun 01, 04[E21B]
6427789 Rock drilling tool with improved conveyingAug 08, 00Aug 06, 02[E21B]
6260637 Rock drillMay 11, 99Jul 17, 01[E21B]
6213230 Drilling tool especially for the rotary percussion drilling of preferably rockNov 05, 98Apr 10, 01[B23B, E21B]
5791424 Drill bit for the rotary-percussive drilling of preferably rock, concrete or the likeMar 04, 96Aug 11, 98[E21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7363922 Flat chiselExpiredJul 03, 02Apr 29, 08[B28D]
2003/0159,544 Method for the production of a tool, in particular a drill or milling cutterAbandonedFeb 28, 03Aug 28, 03[B23C]
6540073 Sales packagingExpiredDec 22, 00Apr 01, 03[B65D]
6213232 Drilling tool helical shank formed from a polygonal profile barExpiredNov 24, 99Apr 10, 01[E21B]
6116827 Drilling toolExpiredSep 14, 98Sep 12, 00[B23B]
5931614 Annular bit having a center drillExpiredMar 19, 97Aug 03, 99[B23B]
5676501 Drill bit tubeExpiredApr 09, 96Oct 14, 97[B23B]
5462130 Drilling toolExpiredMar 30, 94Oct 31, 95[E21B]
5403130 Rock drillExpiredOct 29, 93Apr 04, 95[B23B, E21B]
5002139 Drilling toolExpiredJul 12, 89Mar 26, 91[E21B]
4967855 Drilling toolExpiredSep 25, 89Nov 06, 90[E21B, B27G]
4951761 Rock drillExpiredMay 31, 89Aug 28, 90[B28D, E21B]
4942931 Drilling tool having frictionally rotatable drilling headExpiredMay 31, 89Jul 24, 90[E21B]
4924953 Rock drillExpiredApr 21, 89May 15, 90[E21B]
4903787 Rock drillExpiredDec 15, 88Feb 27, 90[B28D, E21B]
4889200 Rock drillExpiredMar 07, 88Dec 26, 89[E21B]
4883135 Apparatus for rock drillExpiredAug 24, 88Nov 28, 89[E21B]
4852670 Drilling tool with an exchangeable feed helixExpiredOct 02, 87Aug 01, 89[E21B]
4750572 Drilling tool with an interchangeable conveying spiralExpiredMay 12, 86Jun 14, 88[E21B]
4729441 Rock drillExpiredJul 10, 85Mar 08, 88[E21B]

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Top Inventors for This Owner

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