Inventor · Kempen, DE

Manfred Eitel

13Patents
7h-index
13Co-inventors
59Inventor score

Filing activity: Jan 27, 1992 → Apr 6, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5199986A Process for coloring building materials Chemistry; Metallurgy 29 Expired
US5484481A Process for the colouration of building materials Chemistry; Metallurgy 19 Expired
US5389137A Process for dyeing asphalt Chemistry; Metallurgy 17 Expired
US5961710A Inorganic pigment granules process for their production and their use Chemistry; Metallurgy 13 Expired
US6132505A Inorganic pigment pellets for coloring plastics, lacquers and building materials and a process for the production thereof Chemistry; Metallurgy 13 Expired
US5797988A Process for producing briquetted and pressed granular material and use thereof Chemistry; Metallurgy 12 Expired
US5718755A Preparation and use of iron oxide black pigment granules Chemistry; Metallurgy 9 Expired
US6079644A Process for producing briquetted and pressed granular material and use thereof Chemistry; Metallurgy 7 Expired
US5634970A Process for the coloration of organic media Chemistry; Metallurgy 7 Expired
US6241167A Process for producing briquetted and pressed granular material and use thereof Chemistry; Metallurgy 6 Expired
US6803026B1 Compacted carbon black pellets Chemistry; Metallurgy 5 Expired
US6432196B1 Process for producing briquetted and pressed granular material and use thereof Chemistry; Metallurgy 3 Expired
US6364223B2 Process for producing briquetted and pressed granular material and use thereof Chemistry; Metallurgy 0 Expired

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