LITTON INDUSTRIAL AUTOMATION SYSTEMS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 163

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5613591 Sortation conveyor and devicesNov 09, 92Mar 25, 97[B65G]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5277839 Guidepath materialExpiredJun 03, 92Jan 11, 94[C09K]
4979928 Belt pulleyExpiredSep 14, 89Dec 25, 90[F16H]
4858387 Apparatus for grinding a workpieceExpiredOct 30, 86Aug 22, 89[B24B]
4854086 Abrasive discExpiredOct 17, 83Aug 08, 89[B23F]
4831782 Apparatus for grinding a workpieceExpiredNov 04, 86May 23, 89[B24B]
4754574 Apparatus for grinding a workpieceExpiredOct 30, 86Jul 05, 88[B24B]
4656406 Electric field guidance system for automated vehiclesExpiredSep 20, 85Apr 07, 87[G05D]
4621551 Tailstock quill hydraulic circuitExpiredOct 05, 84Nov 11, 86[B23B]
4563890 Cut-off style, roll thread flat diesExpiredJan 27, 84Jan 14, 86[B21H]
4535970 Top entry ball valveExpiredDec 27, 83Aug 20, 85[F16K]
4482163 Spindle powered adjustable chuckExpiredSep 29, 82Nov 13, 84[B23B]
4475371 Testing and straightening machineExpiredMay 20, 83Oct 09, 84[B21D]
4458452 Control for grinding machineExpiredMay 03, 82Jul 10, 84[B24B]
4443975 Dual wheel cylindrical grinding centerExpiredJan 26, 81Apr 24, 84[B24B]
4442739 Multi-spindle work transfer deviceExpiredJun 21, 82Apr 17, 84[B23B]
4435924 Method of grinding workpiecesExpiredSep 30, 82Mar 13, 84[B24B]
4426869 Radial infeed thread roll attachmentExpiredJun 01, 82Jan 24, 84[B21H]
4415172 Friction welding machine having an expanding mandrel backstop assemblyExpiredDec 10, 81Nov 15, 83[B23B]
4397119 Adjustable crankpin locators for a crankshaft grinding machineExpiredFeb 24, 81Aug 09, 83[B24B]
4382859 Water conservation and waste water treatment systemExpiredJan 11, 82May 10, 83[C02B, B01D]

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