Inventor · Amsterdam, NL

Hendricus A. Dirkse

13Patents
6h-index
21Co-inventors
62Inventor score

Filing activity: Sep 18, 1987 → Apr 11, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US7160518B2 Cyclone separator Chemistry; Metallurgy 38 Expired
US4941779A Compartmented gas injection device Chemistry; Metallurgy 25 Expired
US4830545A Feed line design Emerging Cross-Sectional Technologies 19 Expired
US5129766A Aeration tube discharge control device Chemistry; Metallurgy 17 Expired
US5106240A Aerated discharge device Chemistry; Metallurgy 15 Expired
US6736960B1 Feed injection system for catalytic cracking process Performing Operations; Transporting 7 Expired
US4834588A Feed line-pulsed gas injection Emerging Cross-Sectional Technologies 6 Expired
US4934876A Aeration apparatus for discharge control of particulate matter Chemistry; Metallurgy 5 Expired
US4869622A Feed hopper design Chemistry; Metallurgy 5 Expired
US4844663A Feed line-ultrasonic activated gas injection Chemistry; Metallurgy 5 Expired
US7250140B2 FCC reactor Performing Operations; Transporting 4 Expired
US7077949B2 FCC reactor vessel Chemistry; Metallurgy 2 Expired
US6569317B1 Trickle valve Chemistry; Metallurgy 2 Expired

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