Inventor · Frankfurt am Main, DE

Walter Birke

24Patents
5h-index
10Co-inventors
62Inventor score

Filing activity: Oct 11, 1973 → Feb 18, 1983

Most-cited inventions

PatentTitleAreaCited byStatus
US4124941A Process and additional devices of cylinder drying machines for the uniform drying of textiles Mechanical Engineering; Lighting; Heating 12 Expired
US3966400A Process and device for the irregular dyeing of textiles Textiles; Paper 10 Expired
US4173077A Process and additional devices of drying machines for the uniform drying of textiles Textiles; Paper 6 Expired
US4242091A Process for the continuous dyeing of textile webs pre-heated with infra-red or micro-waves Textiles; Paper 6 Expired
US4207058A Apparatus for drying a continuously moving web Mechanical Engineering; Lighting; Heating 5 Expired
US3951591A Process for dyeing synthetic fiber materials Emerging Cross-Sectional Technologies 5 Expired
US3930794A Process for the dyeing of synthetic fiber materials from organic solvents Emerging Cross-Sectional Technologies 5 Expired
US3984198A Device for the impregnation and drying of textile material Textiles; Paper 5 Expired
US4178705A Process for the reduction of the frosting effect in dyeing of textile fabrics Textiles; Paper 4 Expired
US4194878A Process for the dyeing or printing of polyester fibers Chemistry; Metallurgy 4 Expired
US3984197A Device for the wet treatment and drying of textile material Textiles; Paper 4 Expired
US4428750A Process for the localized lightening, white discharging or colored discharging of dyeings on textile sheet-like structures using dye dissolving agent Emerging Cross-Sectional Technologies 4 Expired
US3930793A Process for the dyeing of synthetic fiber materials from organic solvents Emerging Cross-Sectional Technologies 3 Expired
US3990845A Process for the fixation of dyestuffs Textiles; Paper 1 Expired
US4194881A Process for the dyeing or printing of polyester fibers Textiles; Paper 1 Expired
US4194882A Process for the dyeing or printing of polyester fibers Chemistry; Metallurgy 0 Expired
US3961885A Process for the dyeing of synthetic fibrous materials from organic solvents using azo dyes Emerging Cross-Sectional Technologies 0 Expired
US3961889A Process and auxiliary agent for improving the wettability of textile material Emerging Cross-Sectional Technologies 0 Expired
US3985498A Process and device for drying chemical products Mechanical Engineering; Lighting; Heating 0 Expired
US3930791A Process for the dyeing of synthetic fibrous material from organic solvents Emerging Cross-Sectional Technologies 0 Expired
US3991058A Process for drying chemical products using a burnable organic liquid such as methanol Mechanical Engineering; Lighting; Heating 0 Expired
US4194880A Process for the dyeing or printing of polyester fibers Chemistry; Metallurgy 0 Expired
US3993434A Process and device for the fixation of prints with reactive dyestuffs Textiles; Paper 0 Expired
US4194879A Process for the dyeing or printing of polyester fibers Chemistry; Metallurgy 0 Expired

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