Ribbon Technology Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5571628 Metal fiber preforms and method for making the sameExpiredJul 23, 93Nov 05, 96[B23P]
5450700 Method for reinforcing a foundationExpiredJul 23, 93Sep 19, 95[E04B, E04C, E04G]
5345993 Strip forming apparatus for rapid solidificationExpiredSep 07, 93Sep 13, 94[B22D]
5308572 Method for manufacturing a reinforced cementitious structural memberExpiredNov 17, 92May 03, 94[B28B]
5296187 Methods for manufacturing columnar structuresExpiredMar 23, 93Mar 22, 94[B28B]
5238048 Round wire from stripExpiredJan 02, 92Aug 24, 93[B22D]
5213151 Melt overflow control for constant linear density fiber mat and stripExpiredAug 20, 92May 25, 93[B22D]
5170837 Two part hearthExpiredSep 03, 91Dec 15, 92[B22D]
5040593 Side feed tundish apparatus and method for the rapid solidification of molten materialsExpiredJun 12, 89Aug 20, 91[B22D]
5040773 Method and apparatus for temperature-controlled skull meltingExpiredAug 29, 89Aug 20, 91[B22D]
5040594 Side feed tundish apparatus and method for the alloying and rapid solidification of molten materialsExpiredJul 03, 89Aug 20, 91[B22D]
4977951 Apparatus for flow control of molten material by force detectionExpiredJan 10, 90Dec 18, 90[B22D]
RE33327 Melt overflow system for producing filamentary and film products directly from molten materialsExpiredSep 13, 89Sep 11, 90[B22D]
4930565 Melt overflow system for producing filamentary and film products directly from molten materialsExpiredNov 30, 88Jun 05, 90[B22D]
4907641 Rotatable crucible for rapid solidification processExpiredDec 27, 88Mar 13, 90[B22D]
4903751 Two wheel melt overflow process and apparatusExpiredNov 04, 88Feb 27, 90[B22D]
4813472 Melt overflow system for producing filamentary and film products directly from molten materialsExpiredAug 26, 87Mar 21, 89[B22D]
4705095 Textured substrate and method for the direct, continuous casting of metal sheet exhibiting improved uniformityExpiredJan 09, 86Nov 10, 87[B22D]
4668548 Integrally-anchored fiber-reinforced concrete overlays and surfacings and method of making sameExpiredDec 31, 85May 26, 87[B32B]
4259125 Process for making low carbon fibersExpiredMay 29, 79Mar 31, 81[C21D]

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