GREENLEAF TECHNOLOGY CORPORATION

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23C MILLING 726
 
  
 
B23B TURNING; BORING 250
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 220
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 1137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9834891 Rail re-profiling method and apparatusFeb 15, 17Dec 05, 17[B23Q, E01B, B23C]
9827621 Cutting tool including a cutting insert retaining and adjusting mechanismMar 10, 09Nov 28, 17[B23C]
9617691 Rail re-profiling method and apparatusMar 15, 13Apr 11, 17[E01B, B23C]
9073131 Slotting cutter and inserts for sameSep 12, 12Jul 07, 15[B23C]
8267625 Slotting cutter and inserts for sameFeb 22, 08Sep 18, 12[B23C]
8177459 Ball nose end mill and insertNov 26, 08May 15, 12[B23B, B23C]
6712564 Tool with improved resistance to displacementSep 29, 00Mar 30, 04[B23B, B23P]
6447896 Coated reinforced ceramic cutting toolsMay 05, 86Sep 10, 02[G32B]
6252741 Thin film magnetic recording head with treated ceramic substrateMay 11, 99Jun 26, 01[G11B]
5478175 Cutting insert assemblyAug 24, 93Dec 26, 95[B23B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4745091 Novel compositions for oxide ceramicsExpiredAug 11, 86May 17, 88[C04B]

Top Inventors for This Owner

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