Inventor · Velbert, DE

Hans-Peter Kohlstadt

8Patents
6h-index
23Co-inventors
63Inventor score

Filing activity: Jun 3, 1980 → Nov 7, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5648421A Isocyanate/polyol casting resin Emerging Cross-Sectional Technologies 17 Expired
US4670057A Glass primer Emerging Cross-Sectional Technologies 16 Expired
US4735830A Glass primer Emerging Cross-Sectional Technologies 15 Expired
US7267878B2 Hot-melt adhesive in particulate form Emerging Cross-Sectional Technologies 15 Expired
US4336171A Aqueous binder dispersion for producing vulcanization bonds between rubber and a solid substrate Chemistry; Metallurgy 12 Expired
US6372135B1 Filter for holding and raising ground water Chemistry; Metallurgy 8 Expired
US4824512A Low viscosity, pregelable rubber-based adhesives Chemistry; Metallurgy 6 Expired
US5972158A Bonding plastics with water-based polyurethane primer Emerging Cross-Sectional Technologies 3 Expired

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