GC

Gijsbertus Hendrikus Maria Calis

DB Dsm Ip Assets B.V.: 7 patents #149 of 2,011Top 8%
DN Dsm N.V.: 2 patents #144 of 669Top 25%
UB Unie Van Kunstmestfabrieken B.V.: 1 patents #11 of 24Top 50%
📍 Hulsberg, NL: #1 of 4 inventorsTop 25%
Overall (All Time): #416,004 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
9903689 Multilayered material sheet and process for its preparation Roelof Marissen, Joseph Arnold Paul Maria Simmelink, Reinard Jozef Maria Steeman, Jacobus Johannes Mencke, Jean Hubert Marie Beugels +5 more 2018-02-27
9863742 Multilayered material sheet and process for its preparation Roelof Marissen, Joseph Arnold Paul Maria Simmelink, Reinard Jozef Maria Steeman, Jacobus Johannes Mencke, Jean Hubert Marie Beugels +5 more 2018-01-09
9702664 Multilayered material sheet and process for its preparation Roelof Marissen, Joseph Arnold Paul Maria Simmelink, Reinard Jozef Maria Steeman, Jacobus Johannes Mencke, Jean Hubert Marie Beugels +5 more 2017-07-11
9625237 Mutilayered material sheet and process for its preparation Roelof Marissen, Joseph Arnold Paul Maria Simmelink, Reinard Jozef Maria Steeman, Jacobus Johannes Mencke, Jean Hurbert Marie Beugels +4 more 2017-04-18
8741993 Polyolefin member and method of manufacturing Hendrik Derk Hoving, Elisabeth Mueller 2014-06-03
8709575 Multilayered material sheet and process for its preparation Roelof Marissen, Joseph Arnold Paul Maria Simmelink, Reinard Jozef Maria Steeman, Jacobus Johannes Mencke, Jean Hubert Marie Beugels +5 more 2014-04-29
8535777 Multilayered material sheet and process for its preparation Roelof Marissen, Joseph Arnold Paul Maria Simmelink, Reinard Jozef Maria Steeman, Jacobus Johannes Mencke, Jean Hubert Marie Beugels +4 more 2013-09-17
8465565 Polyethylene membrane and method of its production Hendrik Derk Hoving 2013-06-18
8137436 Humidifier membrane Edwin Henricus Adriaan Steenbakkers, Paul Osenar, Richard M. Formato, Paul Sabin, Seth Avis 2012-03-20
6558591 Process of making microporous film 2003-05-06
6514561 Electrolytic membrane, method of manufacturing it and use Ronald Mallant, Frank Albert De Bruijn 2003-02-04
4569677 Process for separating off calcium nitrate tetrahydrate by crystallization Matheus H. G. Jennekens 1986-02-11