Inventor · disambiguated record
Karl Everhardus Sewalt
Also filed as: SEWALT KARL E · SEWALT KARL EVERHARDUS
3 granted patents·2 pending applications·3 citations·filing 2004–2019
54Inventor score
Top patents by PatentIndex Score
5 records- 0159US7594590B2Sealing plug for sealing hollow flotation elements for use in a cover of a liquid-filled containerDECEUNINCK NV·Filed 2005·Granted Sep 29, 2009·1 cites·19 claims
- 0248US11967660B2Photovoltaic building elementTNO·Filed 2019·Granted Apr 23, 2024·0 cites·20 claims
- 0341US2020287502A1Photovoltaic roadway assemblyTNO·Filed 2018·Application pending·0 cites
- 0436US2008087721A1Identification CardTNO·Filed 2004·Application pending·0 cites
- 0518USD583005SFlotation deviceDECEUNINCK N V·Filed 2007·Granted Dec 16, 2008·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →