RD

Roger P. Van Driesen

LC Lummus Crest: 7 patents #1 of 57Top 2%
AC Abb Lummus Crest: 2 patents #4 of 52Top 8%
LT Lummus Technology: 1 patents #32 of 62Top 55%
Overall (All Time): #474,613 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5217935 Processes for regenerating catalysts contaminated with carbonaceous materials 1993-06-08
5021147 Solid addition and withdrawal William R. Adams, Mario Baldasarri, John Caspers, Harold J. Trimble 1991-06-04
4875995 Solid addition and withdrawal William R. Adams, Mario Baldasarri, John Caspers, Harold J. Trimble 1989-10-24
4846958 High severity visbreaking with recycle Robert J. Feldman, Andrei Rhoe, Joseph F. Puzio, Vincent A. Strangio 1989-07-11
4773986 High severity visbreaking Robert J. Feldman, Andrei Rhoe, Joseph F. Puzio, Vincent A. Strangio 1988-09-27
4767521 Treatment of feed for high severity visbreaking Robert J. Feldman, James M. Chen, Andrei Rhoe, C. Bertil Fogman, Donald P. Satchell, Jr. 1988-08-30
4744887 Solid addition and withdrawal William R. Adams, Mario Baldasarri, John Caspers, Harold J. Trimble 1988-05-17
4734266 Pump seal oil system Bhaven Chakravarti 1988-03-29
4686028 Upgrading of high boiling hydrocarbons John R. Friday 1987-08-11
4684456 Control of bed expansion in expanded bed reactor William R. Adams, John Caspers, Mario Baldasarri, Harold J. Trimble 1987-08-04
4411768 Hydrogenation of high boiling hydrocarbons Harold Unger, Morgan C. Sze 1983-10-25