Inventor · Bergen op Zoom, NL

Robert Dirk van de Grampel

63Patents
5h-index
78Co-inventors
71Inventor score

Filing activity: Oct 15, 2004 → Dec 15, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7691304B2 Thermoplastic composition, method of manufacture thereof, and articles derived therefrom Emerging Cross-Sectional Technologies 23 Active
US9598578B1 Polycarbonate-polysiloxane copolymer compositions, articles formed therefrom, and methods of manufacture thereof Chemistry; Metallurgy 8 Active
US7700696B2 Polycarbonate composition having improved scratch resistance, and articles formed therefrom Chemistry; Metallurgy 8 Active
US8969447B2 Thermoplastic polycarbonate copolymer compositions, methods of their manufacture, and articles thereof Emerging Cross-Sectional Technologies 6 Active
US9352755B2 Interior train components having low smoke and low heat release, and methods of their manufacture Chemistry; Metallurgy 6 Active
US7691950B2 Polyester polycarbonate compositions, methods of making, and articles formed therefrom Chemistry; Metallurgy 4 Active
US9328240B2 Polycarbonate compositions, articles formed therefrom, and methods of manufacture thereof Chemistry; Metallurgy 4 Active
US8703856B2 Electrical tracking resistance compositions, methods and articles of manufacture Chemistry; Metallurgy 4 Active
US9598577B1 Polycarbonate-polysiloxane copolymer compositions, articles formed therefrom, and methods of manufacture thereof Chemistry; Metallurgy 4 Active
US8962770B2 Blends of isosorbide-based copolycarbonate, method of making, and articles formed therefrom Chemistry; Metallurgy 4 Active
US9266541B2 Interior train components having low smoke and low heat release, and methods of their manufacture Chemistry; Metallurgy 3 Active
US8674008B2 Electrical tracking resistance compositions, methods and articles of manufacture Chemistry; Metallurgy 3 Active
US8404338B2 X-ray and/or metal detectable articles and method of making the same Emerging Cross-Sectional Technologies 3 Active
US8703855B2 Electrical tracking resistance compositions, methods and articles of manufacture Chemistry; Metallurgy 3 Active
US7829632B2 Polyester polycarbonate compositions, methods of making, and articles formed therefrom Chemistry; Metallurgy 3 Active
US9758670B2 Polycarbonate composition Chemistry; Metallurgy 2 Active
US9365720B2 Interior train components having low smoke and low heat release, and methods of their manufacture Chemistry; Metallurgy 2 Active
US10449344B2 Microneedles made from polycarbonate-polycarbonate/polysiloxane copolymer compositions Chemistry; Metallurgy 2 Active
US8389662B2 Isosorbide-based polycarbonates, method of making, and articles formed therefrom Chemistry; Metallurgy 2 Active
US7687583B2 Polyester polycarbonate compositions, methods of making, and articles formed therefrom Chemistry; Metallurgy 2 Active
US9464189B2 X-ray and/or metal detectable articles and method of making the same Emerging Cross-Sectional Technologies 2 Active
US9650496B2 Interior aircraft components and methods of manufacture Emerging Cross-Sectional Technologies 2 Active
US7686998B2 Thermoplastic composition, method of manufacture thereof, and articles derived therefrom Emerging Cross-Sectional Technologies 1 Active
US9718956B2 Interior aircraft components and methods of manufacture Chemistry; Metallurgy 1 Active
US10005903B2 Compositions and articles of manufacture containing branched polycarbonate Chemistry; Metallurgy 1 Active

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