Inventor · Erkrath, DE

Josef Koller

23Patents
7h-index
19Co-inventors
66Inventor score

Filing activity: Jul 12, 1976 → Feb 23, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5325992A Bag dispenser Emerging Cross-Sectional Technologies 33 Expired
US4314604A Apparatus for the segregation of worn-out cleaning bodies Performing Operations; Transporting 30 Expired
US5275728A Device to separate solid matter from a stream of liquid Performing Operations; Transporting 28 Expired
US5728297A Apparatus for the mechanical cleaning of liquids Performing Operations; Transporting 17 Expired
US4385660A Device for diverting cleaning bodies Mechanical Engineering; Lighting; Heating 10 Expired
US4620589A Device for cleaning the pipes of pipe heat-exchangers Mechanical Engineering; Lighting; Heating 8 Expired
US5023274A Fibre-reactive formazan dyes containing .beta.-halogenethyl or vinylsulfonyl-alkanoylamino fiber-reactive groups Chemistry; Metallurgy 7 Expired
US6497815B1 Sieve with suction cleaning and bypass elements Performing Operations; Transporting 7 Expired
US4452602A Process for dyeing leather with mixtures of dyes Emerging Cross-Sectional Technologies 7 Expired
US5163972A Process for the dyeing of polyacrylonitrile materials with cationic benzo-thiazolium azo dye Emerging Cross-Sectional Technologies 4 Expired
US5076811A Fibre-reactive formazane dyes containing .beta.-sulfatoethylsulfonyl bonded via phenylaminotriazinylamino bridge members Emerging Cross-Sectional Technologies 4 Expired
US5929216A Benzothiazolium containing azo dyes useful for dyeing polyacrylonitrile Emerging Cross-Sectional Technologies 4 Expired
US4116622A Dyeing preparations and process for dyeing polyacrylonitrile material in strong, neutral, clear blue shades Textiles; Paper 3 Expired
US8428916B2 Modeling of the radiation belt megnetosphere in decisional timeframes Physics 2 Active
US4205759A Closure having vent means for liquids under pressure Performing Operations; Transporting 2 Expired
US5112958A Fibre-reactive formazan dyes containing .beta.-chloroethylsulfonyl or vinylsulfonyl bonded via phenylaminotriazinylamino Emerging Cross-Sectional Technologies 2 Expired
US4291485A Automatically releasing mounting system for a weight member Human Necessities 1 Expired
US4799933A Process for the trichromatic dyeing of leather Textiles; Paper 1 Expired
US4507125A Use of 1:2 chrome complex dyes for dyeing leather and furs Emerging Cross-Sectional Technologies 0 Expired
US7889462B2 Protective circuit for protection of an appliance, in particular an electric motor, against thermal overloading Emerging Cross-Sectional Technologies 0 Active
US5207799A Process for dyeing wool and blends thereof with other fibres using reactive dyes and colorless fiber-reactive dyeing assistant Emerging Cross-Sectional Technologies 0 Expired
US4818246A Process for improving the light-fastness of leather dyeings Textiles; Paper 0 Expired
US4233028A Process for the level dyeing of polyacrylonitrile materials of slow, normal and rapid absorptive capacity Emerging Cross-Sectional Technologies 0 Expired

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