HW

Harm Van Der Werff

DB Dsm Ip Assets B.V.: 15 patents #42 of 2,011Top 3%
AN Akzo Nobel N.V.: 5 patents #108 of 1,625Top 7%
AB Avient Protective Materials B.V.: 4 patents #1 of 31Top 4%
Overall (All Time): #168,745 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12344960 Ultra high molecular weight polyethylene multifilament yarn Jacobus Johannes Mencke, Johannes Hendrikus Marie Heijnen 2025-07-01
RE50459 Ultra high molecular weight polyethylene multifilament yarn Jacobus Johannes Mencke, Johannes Hendrikus Marie Heijnen 2025-06-17
11746442 Ultra high molecular weight polyethylene multifilament yarn Jacobus Johannes Mencke, Johannes Hendrikus Marie Heijnen 2023-09-05
11661485 High performance fibers composite sheet Brad Alan DICKINSON, Raul Marcelino PEREZ GRATEROL, Petrus Henricus Maria Elemans, Leonardus Gerardus Bernardus Bremer, Francois Antoine Marie Op Den Buijsch +1 more 2023-05-30
11433640 High performance fibers composite sheet Johann Van Elburg, Roelof Marissen, Ulrich HEISSERER, Raul Marcelino PEREZ GRATEROL 2022-09-06
11420227 Method for treating an elongated object, apparatus and method Marcel Simor, Ales Fiala 2022-08-23
11230797 Ultra high molecular weight polyethylene multifilament yarn Jacobus Johannes Mencke, Johannes Hendrikus Marie Heijnen 2022-01-25
11111607 Process for making high-strength polylactic acid filament Bengisu Corakci, Roman STEPANYAN 2021-09-07
10485900 HPPE member and method of making a HPPE member Claudia Maria Vaz, Leonardus Gerardus Bernardus Bremer, Joseph Arnold Paul Maria Simmelink, Marko Dorschu, Jozef Maria Rudi Hendrik Goossens 2019-11-26
10315380 Process for the manufacture of a multilayer material sheet, multilayer material sheet and use hereof Koen Van Putten, Johannes Wilms, Ernst Jan van Klinken, Leonard Josef Arnold Nielaba, Roelof Marissen 2019-06-11
10071536 Process for the manufacture of a multilayer material sheet, multilayer material sheet and use hereof Koen Van Putten, Johannes Wilms, Ernst Jan van Klinken, Leonard Josef Arnold Nielaba, Roelof Marissen 2018-09-11
9687593 HPPE member and method of making a HPPE member Claudia Maria Vaz, Leonardus Gerardus Bernardus Bremer, Joseph Arnold Paul Maria Simmelink, Marko Dorschu, Jozef Maria Rudi Hendrik Goossens 2017-06-27
9623626 Flexible composite material and use hereof, process for making a flexible composite material Cyril Clerici 2017-04-18
9151576 Ballistic resistant article Johann Van Elburg, Ralph Schielen, Roelof Marissen 2015-10-06
D694528 Sheet for use in antiballistic articles Cyril Clerici, David Cordova 2013-12-03
D692674 Sheet for use in antiballistic articles Cyril Clerici, David Cordova 2013-11-05
D692675 Sheet for use in antiballistic articles Cyril Clerici, David Cordova 2013-11-05
8137809 Ultra high molecular weight polyethylene multifilament yarns, and process for producing thereof Roelof Marissen, Joseph Arnold Paul Maria Simmelink, Evert Florentinus Florimondus De Danschutter 2012-03-20
7780888 Process for making a carbon nanotubes/ultra-high molar mass polyethylene composite fibre Shilun Ruan, Tongxi Yu, Ping Gao, Roelef Marissen 2010-08-24
6042941 Sulphurous p-aramid yarn Bastiaan Krins, Monique MEEUSEN-WIERTS 2000-03-28
5962627 Optically anisotropic spinning solution comprising a mixture of P-aramid and aliphatic polyamide, and fibers to be made therefrom Johannes Marinus Surquin 1999-10-05
5882791 Para-aromatic polyamide yarn having low filament linear density and a process for manufacturing same Jozef Johannes Maria Baltussen, Mattheus Harmannes Hofman 1999-03-16
5714101 Process of making polyketon yarn Hendrik Ter Maat, Peter Jeroen Cloos, Bert Jan Lommerts 1998-02-03
5552218 Polyketone yarn and a method of manufacturing same Hendrik Ter Maat, Peter Jeroen Cloos, Bert Jan Lommerts 1996-09-03