W.A. WHITNEY CO.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 489
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6777641 Method and apparatus for laser piercing and cutting metal sheet and plateJun 04, 02Aug 17, 04[B23K]
6392192 Real time control of laser beam characteristics in a laser-equipped machine toolSep 15, 99May 21, 02[B23K]
5763852 Punch press with auxillary high-energy thermal cutting device and improved slag collection systemSep 04, 96Jun 09, 98[B23K]
5669866 Punch press with tool changerJun 10, 96Sep 23, 97[B23Q, B21D]
5468929 Apparatus for adjusting the stand-off height of a plasma arc torch or the likeDec 22, 94Nov 21, 95[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7005606 Laser machine tool with image sensor for registration of workhead guidance systemExpiredSep 09, 03Feb 28, 06[B23K]
6608282 Machine tool loading apparatusExpiredSep 05, 01Aug 19, 03[B23K]
6531680 Cube corner laser beam retroreflector apparatus for a laser equipped machine toolExpiredApr 06, 01Mar 11, 03[G02B, B23F]
6528762 Laser beam position control apparatus for a CNC laser equipped machine toolExpiredFeb 12, 01Mar 04, 03[B23K]
2002/0151,420 Worktable ApparatusAbandonedSep 21, 01Oct 17, 02[B23Q, B23H, B23D]
6462301 Heavy-duty plate laser with linear motors for X and Y position controlExpiredSep 13, 00Oct 08, 02[B23K]
6455807 Method and apparatus for controlling a laser-equipped machine tool to prevent self-burningExpiredJun 26, 00Sep 24, 02[B23K]
6437286 Slag collection and removal system for a heavy duty laser-equipped machine toolExpiredAug 25, 00Aug 20, 02[B23K]
6420674 Heavy-duty laser plate cutting machineExpiredAug 10, 00Jul 16, 02[B23K]
6246025 Insulated slag collection bed for a laser-equipped machine toolExpiredApr 30, 99Jun 12, 01[B23K]
6229112 Air handling system for a laser-equipped machine toolExpiredApr 30, 99May 08, 01[B23K]
6204473 Laser-equipped machine tool cutting head with pressurized counterbalanceExpiredApr 30, 99Mar 20, 01[B23K]
6127648 Laser-equipped machine tool having a retractable scrap removal systemExpiredApr 30, 99Oct 03, 00[B23K]
6128138 Reflective laser collimatorExpiredJul 15, 99Oct 03, 00[G02B]
5382102 Indexable marking tool for use with a punch pressExpiredSep 28, 93Jan 17, 95[B41J]
5266775 Cutter for removing dross produced by a plasma arc torchExpiredOct 15, 92Nov 30, 93[B23K]
5079403 Nozzle for plasma arc torchExpiredOct 22, 90Jan 07, 92[B23K]
5069099 Shear with storable squaring armExpiredJan 28, 91Dec 03, 91[B26D]
5065654 Machine for punching and shearing angle iron and flat stockExpiredOct 09, 90Nov 19, 91[B26D]
4902177 Rapid change tool cutter and driving systemExpiredOct 27, 88Feb 20, 90[B23B]

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