Assignee
ALLEN STEVEN R
US·15 granted patents·1 pending application·50 citations·filing 1979–2012
Top patents by PatentIndex Score
16 records- 0192US9994974B2Sulfur and alkali metal containing imidazole fiber having ionically bound halidesALLEN STEVEN R·Filed 2012·Granted Jun 12, 2018·6 cites·20 claims
- 0292US9988514B2Sulfur-containing imidazole fiber having ionically bonded halidesALLEN STEVEN R·Filed 2012·Granted Jun 5, 2018·6 cites·17 claims
- 0389USD272712SCombined slide hammer nail puller and building wrecking toolALLEN STEVEN R·Filed 1981·Granted Feb 21, 1984·27 cites·1 claims
- 0482US9464370B2Method for removing sulfur from fiber using an aqueous acidALLEN STEVEN R·Filed 2012·Granted Oct 11, 2016·2 cites·14 claims
- 0569US9080261B2Method for removing sulfur from fiber using monovalent salt ion exchangeALLEN STEVEN R·Filed 2012·Granted Jul 14, 2015·2 cites·12 claims
- 0663USD262513SSlide hammer nail pullerALLEN STEVEN R·Filed 1979·Granted Jan 5, 1982·7 cites·1 claims
- 0760US10240282B2Process for preparing aramid copolymer yarn using a halide acid washALLEN STEVEN R·Filed 2012·Granted Mar 26, 2019·0 cites·16 claims
- 0860US9464380B2Method for removing sulfur from fiber using halide acid ion exchangeALLEN STEVEN R·Filed 2012·Granted Oct 11, 2016·0 cites·15 claims
- 0957US9469922B2Method for removing sulfur from fiber using a weak baseALLEN STEVEN R·Filed 2012·Granted Oct 18, 2016·0 cites·20 claims
- 1056US9315923B2Process for preparing yarn derived from aramid copolymer fiber having low residual sulfurALLEN STEVEN R·Filed 2012·Granted Apr 19, 2016·0 cites·32 claims
- 1156US8932501B2Production of and drying of copolymer fibersALLEN STEVEN R·Filed 2012·Granted Jan 13, 2015·0 cites·15 claims
- 1253US9903051B2Production of and drying of copolymer fibersALLEN STEVEN R·Filed 2012·Granted Feb 27, 2018·0 cites·20 claims
- 1353US9845553B2Process for preparing aramid copolymer yarn using an acid washALLEN STEVEN R·Filed 2012·Granted Dec 19, 2017·0 cites·16 claims
- 1453US9732442B2Process for preparing aramid copolymer yarn having low residual sulfurALLEN STEVEN R·Filed 2012·Granted Aug 15, 2017·0 cites·16 claims
- 1553US8671524B2Production of and drying of copolymer fibersALLEN STEVEN R·Filed 2012·Granted Mar 18, 2014·0 cites·19 claims
- 1644US2007018812A1Separation alert systemALLEN STEVEN R·Filed 2006·Application pending·0 cites
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