Inventor · Hilden, DE

Peter Kuhm

16Patents
6h-index
63Co-inventors
69Inventor score

Filing activity: Jun 12, 1992 → Aug 20, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5663122A Mineral additives for setting and/or controlling the rheological properties and gel structure of aqueous liquid phases and the use of such additives Chemistry; Metallurgy 33 Expired
US6645316B1 Post-passivation of a phosphatized metal surface Emerging Cross-Sectional Technologies 15 Expired
US5645811A Process for the production of very fine-particle zeolitic alkali metal aluminum silicates Emerging Cross-Sectional Technologies 11 Expired
US6171409A Process for the chemical treatment of metal surfaces and installation suitable therefor Chemistry; Metallurgy 10 Expired
US5587063A Method for electrolytic coloring of aluminum surfaces using alternating current Chemistry; Metallurgy 9 Expired
US6447662B1 Process for phosphatizing, rerinsing and cathodic electro-dipcoating Chemistry; Metallurgy 9 Expired
US6720032B1 Pretreatment before painting of composite metal structures containing aluminum portions Chemistry; Metallurgy 6 Expired
US6648925B1 Coloring agent comprising transition metals Human Necessities 5 Expired
US6440231B1 Process for the collective pretreatment of steel, galvanized steel, magnesium and aluminum before bonding to rubber Chemistry; Metallurgy 4 Expired
US5569694A Garnet-containing stabilizer mixtures for polymers Chemistry; Metallurgy 3 Expired
US6379474B1 Phosphating method accelerated by N-oxides Chemistry; Metallurgy 3 Expired
US5349094A Process for the production of oligoglycerol mixtures of increased diglycerol content Chemistry; Metallurgy 3 Expired
US8293334B2 Preliminary metallizing treatment of zinc surfaces Emerging Cross-Sectional Technologies 2 Active
US12153410B2 Method for applying an optimized processing treatment to items in an industrial treatment line and associated system Emerging Cross-Sectional Technologies 0 Active
US8545967B2 Multi coated metal substrate and method for the production thereof Emerging Cross-Sectional Technologies 0 Active
US6464879B1 Treatment of phosphatizing waste water Chemistry; Metallurgy 0 Expired

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