Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8753044 | L-valve construction for controlling solids flow in a liquid medium using standard pipe fittings | Dale J. Shields, Jessy E. Trucko, Sailesh Kumar | 2014-06-17 |
| 4832921 | Apparatus for regeneration of hydrocarbon conversion catalyst | — | 1989-05-23 |
| 4701429 | Catalyst regeneration with varying air flow to burn-off zone from drying zone through halogenation zone | — | 1987-10-20 |
| 4687637 | Catalyst regeneration apparatus | — | 1987-08-18 |
| 4665632 | Apparatus for uniformly distributing fluid through a bed of particulate material | — | 1987-05-19 |
| 4662081 | Process for uniformly distributing fluid through a bed of particulate material | — | 1987-05-05 |
| 4647549 | Regeneration of hydrocarbon conversion catalyst | — | 1987-03-03 |
| 4637266 | Process for sampling particulate matter passing from one treatment zone to another | — | 1987-01-20 |
| 4615792 | Hydrogen circulation for moving bed catalyst transfer systems | — | 1986-10-07 |
| 4578370 | Gas circulation method for moving bed catalyst regeneration zones | — | 1986-03-25 |
| 4576712 | Maintaining gas flow during transfer of solids in hydrocarbon conversion and gas-solid contacting processes | — | 1986-03-18 |
| 4568451 | Process for producing a hydrogen-rich gas stream from the effluent of a catalytic hydrocarbon conversion reaction zone | Raymond Maslin | 1986-02-04 |
| 4567023 | Multiple-stage reactor system for a moving catalyst bed | Jeffrey E. Burgard, Roger L. Throndson | 1986-01-28 |
| 4567022 | Apparatus for facilitating sampling of particulate matter passing from one treatment zone to another | — | 1986-01-28 |
| 4411869 | Multiple stage reactor system | Joseph A. Kroushl | 1983-10-25 |
| 4411870 | Reactor system | Joseph A. Kroushl | 1983-10-25 |
| 4403909 | Method for discharging catalyst particles from a moving bed system at a substantially steady flow rate | — | 1983-09-13 |
| 4341740 | Catalyst flow dampener | — | 1982-07-27 |
| 4308238 | Catalyst flow dampener | — | 1981-12-29 |