TD

Thomas S. Dewitz

Shell Oil Compny: 27 patents #74 of 4,423Top 2%
Overall (All Time): #148,144 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
5869008 Apparatus and method for the separation and stripping of fluid catalyst cracking particles from gaseous hydrocarbons 1999-02-09
5529591 Reverse flow separator 1996-06-25
5232466 Apparatus for producing gas using energy recovering pressurizing system 1993-08-03
5143521 Method for producing gas using energy recovering coal feeding steps 1992-09-01
5129766 Aeration tube discharge control device Hendricus A. Dirkse, Johannes E. G. Ploeg, Rene Rombout, Rudi Everts, Andrew M. Scott +2 more 1992-07-14
5127772 Method and apparatus for the control of suspension density by use of a radiation source 1992-07-07
5106240 Aerated discharge device Hendricus A. Dirkse, Andrew M. Scott, Rene Rombout, Charles M. Arbore, Uday Mahagaokar +1 more 1992-04-21
5017196 Method for enhancing energy recovery from a high temperature, high pressure synthesis gas stream 1991-05-21
4976755 Stripping and depressurization of solids and gas mixture 1990-12-11
4943190 Aeration tube discharge control device with variable fluidic valve 1990-07-24
4941779 Compartmented gas injection device James A. Salter, James J. McCusker, Andrew M. Scott, Hendricus A. Dirkse 1990-07-17
4934876 Aeration apparatus for discharge control of particulate matter Hendricus A. Dirkse, Andrew M. Scott 1990-06-19
4877419 Stripping and depressurization of solids and gas mixture 1989-10-31
4865627 Method and apparatus for separating fine particulates from a mixture of fine particulates and gas Louis H. Turner, III, Johannes E. G. Ploeg, Matheus M. van Kessel, Andrew M. Scott, Rudi Everts 1989-09-12
4853003 Removal of particulates from synthesis gas 1989-08-01
4844663 Feed line-ultrasonic activated gas injection James A. Salter, Hendricus A. Dirkse, Johannnes W. Van Der Meer 1989-07-04
4838738 Pressure compensated weigh system James A. Salter, Thomas Schmidt, Charles M. Arbore, Frederick M. H. J. Duysings, Johannes W. van der Meer +2 more 1989-06-13
4838898 Method of removal and disposal of fly ash from a high-temperature, high-pressure synthesis gas stream Thomas R. Mifflin 1989-06-13
4834588 Feed line-pulsed gas injection James A. Salter, Hendricus A. Dirkse, Johannes W. van der Meer 1989-05-30
4830545 Feed line design James A. Salter, Andrew M. Scott, Hendricus A. Dirkse, Johannes W. van der Meer 1989-05-16
4810264 Process for cleaning and splitting particle-containing fluid with an adjustable cyclone separator 1989-03-07
4797262 Downflow fluidized catalytic cracking system 1989-01-10
4781576 Retractable burner for coal gasification plants 1988-11-01
4731228 Reactor and horizontal cyclone separator with primary mass flow and secondary centrifugal separation of solid and fluid phases John E. Gwyn, Wesley A. Parker, Donald E. Hardesty 1988-03-15
4693808 Downflow fluidized catalytic cranking reactor process and apparatus with quick catalyst separation means in the bottom thereof 1987-09-15