Inventor · Echt, NL

Harm Van Der Werff

24Patents
4h-index
38Co-inventors
63Inventor score

Filing activity: Dec 21, 1994 → Jul 12, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD692674S1 Sheet for use in antiballistic articles General 27 Active
USD694528S1 Sheet for use in antiballistic articles General 15 Active
USD692675S1 Sheet for use in antiballistic articles General 10 Active
US5882791A Para-aromatic polyamide yarn having low filament linear density and a process for manufacturing same Emerging Cross-Sectional Technologies 7 Expired
US9687593B2 HPPE member and method of making a HPPE member Emerging Cross-Sectional Technologies 3 Active
US5552218A Polyketone yarn and a method of manufacturing same Emerging Cross-Sectional Technologies 3 Expired
US8137809B2 Ultra high molecular weight polyethylene multifilament yarns, and process for producing thereof Emerging Cross-Sectional Technologies 2 Active
US7780888B2 Process for making a carbon nanotubes/ultra-high molar mass polyethylene composite fibre Textiles; Paper 2 Expired
US5962627A Optically anisotropic spinning solution comprising a mixture of P-aramid and aliphatic polyamide, and fibers to be made therefrom Emerging Cross-Sectional Technologies 2 Expired
US10485900B2 HPPE member and method of making a HPPE member Emerging Cross-Sectional Technologies 2 Active
US9623626B2 Flexible composite material and use hereof, process for making a flexible composite material Emerging Cross-Sectional Technologies 1 Active
US6042941A Sulphurous p-aramid yarn Emerging Cross-Sectional Technologies 1 Expired
US10315380B2 Process for the manufacture of a multilayer material sheet, multilayer material sheet and use hereof Emerging Cross-Sectional Technologies 0 Active
USRE50459E1 Ultra high molecular weight polyethylene multifilament yarn General 0 Active
US9151576B2 Ballistic resistant article Emerging Cross-Sectional Technologies 0 Active
US11661485B2 High performance fibers composite sheet Chemistry; Metallurgy 0 Active
US5714101A Process of making polyketon yarn Emerging Cross-Sectional Technologies 0 Expired
US11111607B2 Process for making high-strength polylactic acid filament Textiles; Paper 0 Active
US11230797B2 Ultra high molecular weight polyethylene multifilament yarn Emerging Cross-Sectional Technologies 0 Active
US11433640B2 High performance fibers composite sheet Performing Operations; Transporting 0 Active
US10071536B2 Process for the manufacture of a multilayer material sheet, multilayer material sheet and use hereof Emerging Cross-Sectional Technologies 0 Active
US11420227B2 Method for treating an elongated object, apparatus and method Electricity 0 Active
US12344960B2 Ultra high molecular weight polyethylene multifilament yarn Emerging Cross-Sectional Technologies 0 Active
US11746442B2 Ultra high molecular weight polyethylene multifilament yarn Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.