Inventor · disambiguated record
Gijsbertus Hendrikus Maria Calis
Also filed as: CALIS GIJSBERTUS H M · CALIS GIJSBERTUS HENDRIKUS MARIA
12 granted patents·3 pending applications·98 citations·filing 1984–2016
90Inventor score
Files withCALIS GIJSBERTUS HENDRIKUS MARIA4DSM IP ASSETS BV3MARISSEN ROELOF3DSM NV2LYDALL SOLUTECH B V1
Top patents by PatentIndex Score
15 records- 0191US8137436B2Humidifier membraneCALIS GIJSBERTUS HENDRIKUS MARIA·Filed 2007·Granted Mar 20, 2012·36 cites·28 claims
- 0284US8465565B2Polyethylene membrane and method of its productionCALIS GIJSBERTUS HENDRIKUS MARIA·Filed 2009·Granted Jun 18, 2013·17 cites·17 claims
- 0375US6558591B2Process of making microporous filmDSM NV·Filed 2000·Granted May 6, 2003·13 cites·6 claims
- 0469US8535777B2Multilayered material sheet and process for its preparationMARISSEN ROELOF·Filed 2007·Granted Sep 17, 2013·4 cites·21 claims
- 0566US9863742B2Multilayered material sheet and process for its preparationDSM IP ASSETS BV·Filed 2016·Granted Jan 9, 2018·1 cites·33 claims
- 0665US9903689B2Multilayered material sheet and process for its preparationMARISSEN ROELOF·Filed 2007·Granted Feb 27, 2018·3 cites·21 claims
- 0761US9702664B2Multilayered material sheet and process for its preparationDSM IP ASSETS BV·Filed 2013·Granted Jul 11, 2017·1 cites·42 claims
- 0861US8741993B2Polyolefin member and method of manufacturingCALIS GIJSBERTUS HENDRIKUS MARIA·Filed 2010·Granted Jun 3, 2014·1 cites·20 claims
- 0960US9625237B2Mutilayered material sheet and process for its preparationDSM IP ASSETS BV·Filed 2013·Granted Apr 18, 2017·1 cites·16 claims
- 1058US8709575B2Multilayered material sheet and process for its preparationMARISSEN ROELOF·Filed 2007·Granted Apr 29, 2014·3 cites·20 claims
- 1152US4569677AProcess for separating off calcium nitrate tetrahydrate by crystallizationUNIE VAN KUNSTMESTFAB BV·Filed 1984·Granted Feb 11, 1986·10 cites·8 claims
- 1244US2010230351A1Hydrophilic MembraneLYDALL SOLUTECH B V·Filed 2008·Application pending·0 cites
- 1342US2009325005A1Electrolytic membraneCALIS GIJSBERTUS HENDRIKUS MARIA·Filed 2007·Application pending·0 cites
- 1438US6514561B1Electrolytic membrane, method of manufacturing it and useDSM NV·Filed 1999·Granted Feb 4, 2003·8 cites·5 claims
- 1538US2003198799A1Battery separatorFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →