Eaton Leonard Technologies, Inc.

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5008555 Optical probe with overlapping detection fieldsExpiredMay 02, 89Apr 16, 91[G01N]
4910658 Real time process controller with serial I/O busExpiredSep 27, 88Mar 20, 90[G08C]
4870849 Method for tube bending with controlled clamp die arrangementExpiredMay 16, 88Oct 03, 89[B21D]
4867463 Quick release colletExpiredSep 02, 88Sep 19, 89[B23B]
4849643 Optical probe with overlapping detection fieldsExpiredApr 08, 88Jul 18, 89[G01N]
4760726 Bend arm apparatus for tube bending machine with cammed clamp die arrangementExpiredSep 25, 87Aug 02, 88[B21D]
4750346 Link drive for bending arm of tube bending machineExpiredSep 25, 87Jun 14, 88[B21D]
4635464 Tube bending mandrelExpiredSep 03, 85Jan 13, 87[B21D]
4318289 Pipe cutting method and apparatusExpiredJan 09, 80Mar 09, 82[B21D]
4313324 Reversible bending machineExpiredApr 25, 79Feb 02, 82[B21D]
4269054 Bending methodExpiredNov 13, 79May 26, 81[B21D]
4232813 Method and apparatus for making bent pipeExpiredMar 10, 78Nov 11, 80[B21D]
4206620 Dual motor carriage driveExpiredJan 12, 79Jun 10, 80[B21D]
4201073 Reaction bender for pipeExpiredMar 17, 78May 06, 80[B21D]
4193607 Chuck with opposed grippingExpiredMar 30, 78Mar 18, 80[B23D]

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