DN

Danny Yuk Kwan Ngan

Shell Oil Compny: 13 patents #201 of 4,423Top 5%
📍 Houston, TX: #1,675 of 21,073 inventorsTop 8%
🗺 Texas: #11,465 of 125,132 inventorsTop 10%
Overall (All Time): #383,915 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Showing 1–13 of 13 patents

Patent #TitleCo-InventorsDate
9175229 Method and apparatus for quenching a hot gaseous stream Arthur James Baumgartner, A. Haluk Bilgic 2015-11-03
8083932 Process for producing lower olefins from hydrocarbon feedstock utilizing partial vaporization and separately controlled sets of pyrolysis coils Arthur James Baumgartner, Robert Lawrence Blackbourn 2011-12-27
8070938 Apparatus and method for superheated vapor contacting and vaporization of feedstocks containing high boiling point and unvaporizable foulants in an olefins furnace Louis Edward Stein, Arthur James Baumgartner, Karl Gregory Anderson, Raul Jasso Garcia, Sr., Richard Rodriguez 2011-12-06
7862651 Apparatus and method for superheated vapor contacting and vaporization of feedstocks containing high boiling point and unvaporizable foulants in an olefins furnace Louis Edward Stein, Arthur James Baumgartner, Karl Gregory Anderson, Raul Jasso Garcia, Sr., Richard Rodriguez 2011-01-04
7829752 Process for producing lower olefins Arthur James Baumgartner 2010-11-09
7718839 Process for producing lower olefins from heavy hydrocarbon feedstock utilizing two vapor/liquid separators Arthur James Baumgartner 2010-05-18
7238847 Apparatus and method for determining and controlling the hydrogen-to-carbon ratio of a pyrolysis product liquid fraction 2007-07-03
5840582 Method for determining the hydrogen-to-carbon ratio in a liquid hydrocarbon fraction and use thereof 1998-11-24
5334308 Reduction of jet engine smoke emissions by contacting jet fuel with a carbon molecular sieve adsorbent Leonard B. Graiff, Benton E. Visser, Greg E. Webster 1994-08-02
5300218 Reduction of diesel engine particulate emissions by contacting diesel fuel with a carbon molecular sieve adsorbent Leonard B. Graiff, Peter B. Van Benthuysen, Zaida Diaz, David M. Austgen, Jr. 1994-04-05
5169515 Process and article Randy Carl John 1992-12-08
4804457 Process for removal of polynuclear aromatics from a hydrocarbon in an endothermic reformer reaction system 1989-02-14
4634516 Slurry treatment of a gas oil or kerosene feed stock for a steam cracking procedure Weston W. Haskell 1987-01-06