Inventor · disambiguated record
Roger Keith Siemionko
Also filed as: SIEMIONKO ROGER K · SIEMIONKO ROGER KEITH
16 granted patents·2 pending applications·337 citations·filing 1980–2012
95Inventor score
Files withDU PONT17
Top patents by PatentIndex Score
18 records- 0188US5290628AHydroentangled flash spun webs having controllable bulk and permeabilityDU PONT·Filed 1993·Granted Mar 1, 1994·87 cites·16 claims
- 0287US4370466AOptically anisotropic melt forming polyestersDU PONT·Filed 1981·Granted Jan 25, 1983·42 cites·8 claims
- 0384US7179413B1Flash-spinning process and solutionDU PONT·Filed 2000·Granted Feb 20, 2007·27 cites·24 claims
- 0480US6303682B1Flash spinning solutionDU PONT·Filed 2000·Granted Oct 16, 2001·12 cites·6 claims
- 0578US4412058AAromatic polyesters and high strength filaments thereofDU PONT·Filed 1983·Granted Oct 25, 1983·27 cites·8 claims
- 0677US6319970B1Flash spinning process and flash spinning solution with azeotropesDU PONT·Filed 2000·Granted Nov 20, 2001·11 cites·5 claims
- 0775US5977237AFlash-spinning solutionDU PONT·Filed 1997·Granted Nov 2, 1999·26 cites·7 claims
- 0872US5672307AFlash spinning processDU PONT·Filed 1996·Granted Sep 30, 1997·21 cites·6 claims
- 0972US5643525AProcess for improving electrostatic charging of plexifilamentsDU PONT·Filed 1994·Granted Jul 1, 1997·21 cites·40 claims
- 1069US5985196AFlash spinning process and flash spinning solutionDU PONT·Filed 1998·Granted Nov 16, 1999·16 cites·10 claims
- 1159US5874036AFlash-spinning processDU PONT·Filed 1997·Granted Feb 23, 1999·12 cites·6 claims
- 1255US6162379AFlash spinning process and flash spinning solutionDU PONT·Filed 1999·Granted Dec 19, 2000·9 cites·8 claims
- 1355US4347349AAromatic polyester and filamentsDU PONT·Filed 1980·Granted Aug 31, 1982·8 cites·12 claims
- 1452US6153134AFlash spinning processDU PONT·Filed 1998·Granted Nov 28, 2000·10 cites·10 claims
- 1551US2013183484A1Core structures comprising tannin resinDU PONT·Filed 2012·Application pending·0 cites
- 1645US4359569AAromatic polyester and filamentsDU PONT·Filed 1981·Granted Nov 16, 1982·5 cites·6 claims
- 1743US2005090633A1Fluorine-containing ethylene copolymersFiled 2003·Application pending·0 cites
- 1834US6455619B1Process for improving electrostatic charging of plexifilamentsDU PONT·Filed 1995·Granted Sep 24, 2002·3 cites·2 claims
Join the waitlist — get patent alerts
Get an alert when Roger Keith Siemionko files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →