ALPHA INDUSTRIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 235

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5950513 Apparatus for converting rotary motion into linear motion for use with a cut-off machineNov 03, 97Sep 14, 99[B26D]
5383381 Double cut die setDec 22, 93Jan 24, 95[B26D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2001/0040,479 Electronic switchAbandonedMar 02, 01Nov 15, 01[H03K]
5635121 Apparatus and process for filing ceramicsExpiredMar 06, 95Jun 03, 97[C04B]
5231908 Apparatus for mounting a shearing bladeExpiredSep 30, 92Aug 03, 93[B26D]
5224638 Induction severing apparatusExpiredAug 20, 90Jul 06, 93[B26F]
5088365 Notching apparatus for a double cut die setExpiredDec 27, 90Feb 18, 92[B23D]
5074143 Cart for removing and installing dies in a cut-off pressExpiredDec 14, 89Dec 24, 91[B21J]
5024980 Ceramic dielectric alloyExpiredMay 15, 87Jun 18, 91[C04B]
5009140 Clamping apparatus for cut-off die setExpiredDec 12, 89Apr 23, 91[B26D, B23D]
5003853 Cut-off die setExpiredFeb 02, 90Apr 02, 91[B26D]
4993297 Shearing blade mount for cut-off die setExpiredAug 03, 90Feb 19, 91[B26D]
4993298 Apparatus for mounting a notching bladeExpiredOct 04, 89Feb 19, 91[B26D, B23D]
4980246 Dense ceramic alloys and process of making sameExpiredMay 10, 90Dec 25, 90[C04B, B32B]
4964325 Cut-off machineExpiredMar 26, 90Oct 23, 90[B62D]
4964327 Shearing blade mount for cut-off die setExpiredNov 03, 89Oct 23, 90[B26D]
4964328 Notching blade assemblyExpiredSep 23, 88Oct 23, 90[B26D]
4947142 Attenuation controlling by means of a monolithic deviceExpiredDec 23, 87Aug 07, 90[H01P]
4942146 Dense ceramic alloys and process of making sameExpiredMay 15, 87Jul 17, 90[C04B]
4932297 Cut-off die setExpiredAug 26, 88Jun 12, 90[B26D]
4916515 Microwave circuit integratingExpiredJun 03, 85Apr 10, 90[H01L]
4905071 Monolithic series-shunt diode switchExpiredApr 01, 88Feb 27, 90[H01L]

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