Inventor · disambiguated record
David J. Norberg
Also filed as: NORBERG DAVID J
6 granted patents·3 pending applications·7 citations·filing 2008–2021
72Inventor score
Top patents by PatentIndex Score
9 records- 0184US9447225B2Polyester polyols containing diels-alder or ene adductsSTEPAN CO·Filed 2014·Granted Sep 20, 2016·3 cites·7 claims
- 0271US8916620B2Process for polyurethane-modified polyisocyanurate foam with improved thermal stabilityKAPLAN WARREN A·Filed 2012·Granted Dec 23, 2014·2 cites·5 claims
- 0368US9212250B2Method of improving mechanical strength of flexible polyurethane foams made from bio-based polyols, the polyol compositions utilized therein and the foams produced therebyKAPLAN WARREN A·Filed 2010·Granted Dec 15, 2015·2 cites·6 claims
- 0466US2019071533A1Polyester polyols imparting improved flammability propertiesSTEPAN CO·Filed 2018·Application pending·0 cites
- 0565US11686575B2Hardness and flatness testerSTEPAN CO·Filed 2021·Granted Jun 27, 2023·0 cites·20 claims
- 0656US11543810B2Systems and methods for computer vision assisted foam board processingSTEPAN CO·Filed 2021·Granted Jan 3, 2023·0 cites·28 claims
- 0756US2016002386A1Polyester polyols imparting improved flammability propertiesSTEPAN CO·Filed 2015·Application pending·0 cites
- 0855US11009342B2Hardness and flatness testerSTEPAN CO·Filed 2018·Granted May 18, 2021·0 cites·18 claims
- 0953US2009247657A1Thermal stability of polyurethane-modified polyisocyanurate foamSTEPAN CO·Filed 2008·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →