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Hubertus Wilhelmus Albertus Dries

Shell Oil Compny: 24 patents #90 of 4,423Top 3%
Overall (All Time): #153,774 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
10919820 Process to prepare propylene 2021-02-16
10479740 Process to prepare propylene 2019-11-19
9340469 Catalyst return apparatus and process for reacting a feedstock Leslie Andrew Chewter, Rene Samson, Mao Ye 2016-05-17
8951336 Vessel for removing solid particles from gases 2015-02-10
8747767 Catalyst return apparatus, and process for reacting a feedstock Leslie Andrew Chewter, Rene Samson, Mao Ye 2014-06-10
8696999 Riser reactor system and a process for the preparation of an olefinic product Leslie Andrew Chewter, Rene Samson, Mao Ye 2014-04-15
8287613 Gas-solids separator Ye-Mon Chen, Kee-Khoon Foo 2012-10-16
8241583 Process for cracking a hydrocarbon feed Rene Samson 2012-08-14
8025717 Process to separate particles from a particles-containing gas stream Kee-Khoon Foo, Ferdinand Johannes Adriaan Geiger, Michiel Alexander Regelink 2011-09-27
7964157 Catalytic cracking riser reactor Sebastiaan Christoffel Van Der Heijden, Jason Andrew Horwege, Anthony Wolfert 2011-06-21
7648544 Swirl tube separator Thomas Shawn Dewitz, Andreas Ekker, Jan Kater, Richard Addison Sanborn, Alex HOFFMANN +1 more 2010-01-19
7250140 FCC reactor Ye-Mon Chen, Thomas Shawn Dewitz, Hendricus A. Dirkse, Richard Addison Sanborn 2007-07-31
7182799 Filter assembly comprising filter elements and a filter grid 2007-02-27
7179428 FCC apparatus 2007-02-20
7160518 Cyclone separator Ye-Mon Chen, Thomas Shawn Dewitz, Hendricus A. Dirkse, Richard Addison Sanborn 2007-01-09
6996989 Process to recover energy from hot gas Andreas Ekker, Evert Wesker 2006-02-14
6846463 Gas-solid separation process Charles Rotchford Galloway 2005-01-25
6830735 Separator apparatus Jacob Hendrik Bouma 2004-12-14
6830734 Separator apparatus Hendrik A. Dirkse, Louis Edward Stein 2004-12-14
6658988 Apparatus and process for removing solid particles from gases 2003-12-09
6596242 Reactor riser of a fluidized-bed catalytic cracking plant 2003-07-22
6569317 Trickle valve Hendricus A. Dirkse, Willem Rozema 2003-05-27
5938803 Cyclone separator 1999-08-17
4695298 Apparatus for cleaning solids-laden gas 1987-09-22
4531570 Method and apparatus for continuously cleaning a heat exchanger during operation 1985-07-30