HARDINGE INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23B TURNING; BORING 1636
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 466
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 337
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 128
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8720311 Tool holderOct 04, 10May 13, 14[B23B]
7971883 Workholding clamping assemblySep 07, 06Jul 05, 11[B23B]
7137632 Force limiting workpiece holding deviceOct 27, 03Nov 21, 06[B23B]
6883407 Expanding collet assembly for pick-off spindleAug 30, 02Apr 26, 05[B23B]
6726221 Dead length collet chuck assemblyMay 29, 02Apr 27, 04[B23B]
6640679 Collet adapter chuck assembly with axially fixed collet headAug 27, 02Nov 04, 03[B23B]
6264210 Quick-change jaw chuck systemSep 02, 99Jul 24, 01[B23B]
6257595 Collect chuck with quick-change capSep 02, 99Jul 10, 01[B23B]
5700092 Integrated shaft self-compensating hydrostatic bearingAug 23, 95Dec 23, 97[F16C]
5674032 Tooling system and method with integral hydrostatic bearings and turbine power sourceOct 12, 95Oct 07, 97[B23B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0253,016 COLLET ADAPTERAbandonedApr 01, 09Oct 07, 10[B23B, B23P]
7647679 Belt-driven indexing tool turret assemblyExpiredJul 03, 07Jan 19, 10[B23B]
2008/0047,120 Rotary table with frameless motorAbandonedAug 24, 06Feb 28, 08[B23C]
7311444 Hydrostatic bearing for linear motion guidanceExpiredJul 11, 06Dec 25, 07[F16C]
6785943 Indexing tool turretExpiredSep 02, 99Sep 07, 04[B23B]
2004/0042,689 Hydrostatic bearing for linear motion guidanceAbandonedJul 11, 03Mar 04, 04[F16C]
6640404 Three piece coupling arrangement for a turret indexing mechanism for a machine tool assembly and an air bearing assembly for the sameExpiredAug 28, 01Nov 04, 03[B23B]
2001/0042,424 REDUCED VIBRATION LATHEAbandonedSep 02, 99Nov 22, 01[B23B]
6036415 Spindle for gripping and closing a mounting memberExpiredSep 04, 98Mar 14, 00[B23B]
5948177 Collet metal treating processExpiredMar 16, 98Sep 07, 99[C23C, C21D]
5617769 Thermally compliant bar feeding machineExpiredOct 14, 94Apr 08, 97[B23B]
5349731 Temperature compensated and shock resistant machine toolExpiredMay 07, 91Sep 27, 94[B23Q]
5303458 Method and apparatus for detecting and compensating thermal growth in machine toolsExpiredMar 31, 92Apr 19, 94[B23B]
5282402 Machine tool tailstockExpiredApr 14, 92Feb 01, 94[B23B]
D338476 Chucker and bar machineExpiredFeb 20, 91Aug 17, 93[]
5104237 Self-compensating hydrostatic linear motion bearingExpiredNov 08, 90Apr 14, 92[F16C]
5096213 Collet assemblyExpiredAug 31, 90Mar 17, 92[B23B]
D311407 Machine tool bedExpiredNov 10, 87Oct 16, 90[]
D306865 Combined chucker and bar machineExpiredApr 08, 88Mar 27, 90[]
4907478 Apparatus and process for assembling a machine tool and machine tool formed therebyExpiredNov 10, 87Mar 13, 90[B23Q]

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