Nielsen; Richard H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nielsen; Richard H..The latest application filed is for "atomizing feed for cracking unit".
- Nielsen; Richard H. - Ashland KY
- Nielsen; Richard H. - Bartlesville OK
| Patent | Date |
|---|---|
| Atomizing feed for cracking unit Grant 5,174,889 - Nielsen December 29, 1 | 1992-12-29 |
| Method and apparatus for contacting feed materials with fluidized solids Grant 4,729,825 - Nielsen March 8, 1 | 1988-03-08 |
| Catalytic cracking unit Grant 4,562,046 - Hays , et al. December 31, 1 | 1985-12-31 |
| Treating cracking catalyst fines containing a passivating material Grant 4,348,273 - Nielsen September 7, 1 | 1982-09-07 |
| Antimony containing fines plus cracking catalyst composition Grant 4,216,120 - Nielsen , et al. August 5, 1 | 1980-08-05 |
| Metals passivation with catalyst fines Grant 4,148,712 - Nielsen , et al. April 10, 1 | 1979-04-10 |
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