STRIPPIT, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 235
 
  
 
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 192
 
  
 
B26F PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING 115
 
  
 
G05B CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS 1100

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6334381 Adjustable punch assemblyJul 12, 99Jan 01, 02[B21D]
6276247 Adjustable punch assembly with releasable lockingMar 03, 00Aug 21, 01[B26F]
5435216 Method and apparatus for operating a hydraulic ramJul 28, 93Jul 25, 95[B26D]
5400259 Work clamp protection system and a method for useOct 07, 93Mar 21, 95[G05B]
5271303 Stripper plate retaining ringApr 24, 92Dec 21, 93[B26D, B21D]
RE31042 Laser cutting head attachment for punch pressesOct 22, 80Sep 28, 82[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5272425 A.C. motor controlExpiredApr 02, 91Dec 21, 93[G05B]
5239476 Multi-level state language controller for multi-threaded machine controlExpiredApr 02, 91Aug 24, 93[G05B, G06F]
5127293 Stripper plate retaining ringExpiredJul 26, 90Jul 07, 92[B26D, B21D]
5072620 Stamping toolExpiredOct 02, 89Dec 17, 91[B41J, B21J]
5062337 Indexable multi-tool for punch pressExpiredMay 12, 89Nov 05, 91[B26D]
5048385 Indexable multi-tool for punch pressExpiredDec 28, 89Sep 17, 91[B26D, B26F]
5042352 Quick change tool holderExpiredJun 04, 90Aug 27, 91[B26D]
4986153 Method and apparatus for the parting and removal of pieces from punch pressesExpiredSep 05, 89Jan 22, 91[B26D]
4709605 Method of working sheet material workpieces by a sheet material working machine toolExpiredApr 08, 85Dec 01, 87[B23Q, B21D]
4703925 Semi-rigid sheet separation device and methodExpiredAug 01, 85Nov 03, 87[B65H]
4690021 Automatic load unload turret punchExpiredSep 20, 85Sep 01, 87[B21D]
4658688 Rotary punch and die holders for turret punchesExpiredSep 13, 85Apr 21, 87[B26D]
4565480 Carousel pallet shuttleExpiredSep 07, 82Jan 21, 86[B65H]
4516448 Punch and ram assembly for punch pressExpiredSep 07, 82May 14, 85[B26D]
4504824 Tool detection systemExpiredNov 17, 82Mar 12, 85[B23B]
4479397 Shock/brake unitExpiredJun 24, 82Oct 30, 84[F16H]
4457196 Punch press assembly including a preloaded encapsulted springExpiredNov 10, 82Jul 03, 84[B26F]
4411150 Backgauge structureExpiredOct 21, 81Oct 25, 83[B21D]
4314330 Machine tool data systemExpiredFeb 23, 79Feb 02, 82[B23Q, G05B, G06F]
4285259 Turret index systemExpiredAug 21, 79Aug 25, 81[B26F]

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