Inventor · disambiguated record
Helena Twardowska
Also filed as: TWARDOWSKA HELENA · TWARDOWSKA HELENA J
24 granted patents·5 pending applications·204 citations·filing 1982–2022
95Inventor score
Top patents by PatentIndex Score
29 records- 0190US5474606AHeat curable foundry binder systemsASHLAND INC·Filed 1994·Granted Dec 12, 1995·53 cites·12 claims
- 0286US6335387B1Insulating sleeve compositions containing fine silica and their useASHLAND INC·Filed 2000·Granted Jan 1, 2002·21 cites·7 claims
- 0383US6286585B1Sleeve mixes containing stabilized microspheres and their use in making riser sleevesASHLAND INC·Filed 2000·Granted Sep 11, 2001·17 cites·9 claims
- 0482US6887931B2Thermosetting inorganic clay nanodispersions and their useASHLAND INC·Filed 2002·Granted May 3, 2005·16 cites·17 claims
- 0576US9884460B2Material and applicator for pinhole and small defect repairLIDDELL KIMM·Filed 2010·Granted Feb 6, 2018·3 cites·20 claims
- 0676US6360808B1Exothermic sleeve compositions containing aluminum drossASHLAND INC·Filed 2000·Granted Mar 26, 2002·10 cites·19 claims
- 0776US2023104052A1Filler composition indicating readiness to sandILLINOIS TOOL WORKS·Filed 2022·Application pending·0 cites
- 0873US11578228B2Filler composition indicating readiness to sandILLINOIS TOOL WORKS·Filed 2018·Granted Feb 14, 2023·0 cites·19 claims
- 0972US12018112B2Catalyst for extended work time filler compositionILLINOIS TOOL WORKS·Filed 2022·Granted Jun 25, 2024·0 cites·20 claims
- 1070US11441057B2Autobody repair formulation with improved control of work time and cure time at extreme ambient air temperaturesILLINOIS TOOL WORKS·Filed 2020·Granted Sep 13, 2022·0 cites·7 claims
- 1169US10544337B2Autobody repair formulation with improved control of work time and cure time at extreme ambient air temperaturesILLINOIS TOOL WORKS·Filed 2017·Granted Jan 28, 2020·0 cites·7 claims
- 1269US5743953AHeat curable alumino-silicate binder systems and their useASHLAND INC·Filed 1996·Granted Apr 28, 1998·26 cites·13 claims
- 1367US6974848B2Low-density thermosetting sheet molding compoundsTWARDOWSKA HELENA·Filed 2002·Granted Dec 13, 2005·9 cites·21 claims
- 1464US10214618B2Low density coring materialILLINOIS TOOL WORKS·Filed 2016·Granted Feb 26, 2019·0 cites·15 claims
- 1562US10308804B2Unsaturated polyester composition for autobody repair with improved adhesion to metal substratesILLINOIS TOOL WORKS·Filed 2017·Granted Jun 4, 2019·0 cites·17 claims
- 1657US12152141B2Flame resistant body fill compositionILLINOIS TOOL WORKS·Filed 2021·Granted Nov 26, 2024·0 cites·14 claims
- 1757US5983984AInsulating sleeve compositions and their usesASHLAND INC·Filed 1998·Granted Nov 16, 1999·22 cites·11 claims
- 1854US11781023B2Primer with internal guide coatILLINOIS TOOL WORKS·Filed 2020·Granted Oct 10, 2023·0 cites·6 claims
- 1954US9511563B2Low density coring materialADAMS ROBERT MARK·Filed 2010·Granted Dec 6, 2016·1 cites·6 claims
- 2048US4980142APreparation of phosphorous acidTENNECO CANADA INC·Filed 1990·Granted Dec 25, 1990·11 cites·20 claims
- 2143US2003105208A1Thermosetting inorganic clay nanodispersions and their useFiled 2001·Application pending·0 cites
- 2242US10112323B2Complete tooling packages for mold building structuresLAKE RANDALL·Filed 2012·Granted Oct 30, 2018·0 cites·9 claims
- 2341US4421728AStabilization of red phosphorusERCO IND LTD·Filed 1982·Granted Dec 20, 1983·4 cites·17 claims
- 2440US2012040174A1Low density coring materialADAMS ROBERT MARK·Filed 2010·Application pending·0 cites
- 2538US4489183AStabilization of red phosphorusERCO IND LTD·Filed 1983·Granted Dec 18, 1984·3 cites·10 claims
- 2638US2012135147A1High build low temperature exotherm extrudable materialTWARDOWSKA HELENA·Filed 2011·Application pending·0 cites
- 2737US5417751AHeat cured foundry binders and their useASHLAND OIL INC·Filed 1993·Granted May 23, 1995·4 cites·3 claims
- 2836US5837047AHeat curable binder systems and their useASHLAND INC·Filed 1996·Granted Nov 17, 1998·4 cites·14 claims
- 2934US2001022999A1Exothermic sleeve mixes containing fine aluminumFiled 2001·Application pending·0 cites
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