LW

Leonardus Jacobus Johannus Welzen

DB Dsm Ip Assets B.V.: 3 patents #458 of 2,011Top 25%
TB Ten Cate Thiolon B.V.: 2 patents #7 of 29Top 25%
📍 Urmond, NL: #5 of 20 inventorsTop 25%
Overall (All Time): #994,415 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9757927 Flexible sheet, method of manufacturing said sheet and applications thereof Dietrich Wienke, Roelof Marissen, Martinus Johannes Nicolaas Jacobs, Wilheimus Gerardus Marie Bruls, Francois Antoine Marie Op Den Buijsch 2017-09-12
9522518 Method for the manufacturing of a low shrinkage flexible sheet Dietrich Wienke, Roelof Marissen, Martinus Johannes Nicolaas Jacobs 2016-12-20
9406826 Flexible electrical generators Johannes Petrus Marinus Plug, Fanciscus Gerardus Henricus Van Duijnhoven, Josephina Johanna Maria Gerarda Swagten 2016-08-02
8568852 Artificial grass turf and infill for sports fields Gerardus Hubertus Smit, Geurt Bastiaan Slootweg, Frederik Jan Van Der Gaag, Marinus Hendrikus Olde Weghuis, Francois Antoine Marie Op Den Buijsch +2 more 2013-10-29
6815059 Artificial fibre as well as an artificial lawn for sports fields provided with such fibre Geurt Bastiaan Slootweg, Marinus Hendrikus Olde Weghuis, Frederik Jan Van Der Gaag, Christian Antoine Marie Jean-Pierre Widdershoven 2004-11-09