Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12403440 | Apparatus for distributing feed with a cluster of orifices on a side of the distributor | Lev Davydov, Zhihao Fei, Robert L. Mehlberg, Sathit Kulprathipanja, Michael S. Sandacz | 2025-09-02 |
| 11794159 | Process and apparatus for contacting feed and catalyst with improved catalyst mixing | Richard A. Johnson, Wolfgang A. Spieker | 2023-10-24 |
| 11261143 | Apparatus and process for separating gases from catalyst | Lev Davydov, Robert L. Mehlberg | 2022-03-01 |
| 11009229 | Method for fluidizing spent catalyst | Dharmesh Chunilal Panchal, Jagjit Singh Lall, Paolo Palmas, Michael S. Sandacz, Sathit Kulprathipanja | 2021-05-18 |
| 10016753 | Apparatus for regenerating catalyst | Richard A. Johnson, Paolo Palmas, Quan Yuan, James W. Althoff | 2018-07-10 |
| 9567268 | High temperature quench system and process | Peter Shafe, Aziz Sattar, Laura E. Leonard, Rajeswar Gattupalli | 2017-02-14 |
| 9328038 | High temperature quench system and process | Peter Shafe, Aziz Sattar, Laura E. Leonard, Rajeswar Gattupalli | 2016-05-03 |
| 9266103 | Catalyst regenerators and methods for regenerating catalysts | Lev Davydov, Paolo Palmas | 2016-02-23 |
| 9238209 | Advanced elevated feed distribution apparatus and process for large diameter FCC reactor risers | Keith A. Couch, Robert L. Mehlberg | 2016-01-19 |
| 9005431 | Process and apparatus for distributing hydrocarbon feed to a catalyst stream | Roger L. Throndson, Paolo Palmas, Lev Davydov | 2015-04-14 |
| 8936758 | Process and apparatus for mixing two streams of catalyst | Paolo Palmas, Lev Davydov | 2015-01-20 |
| 8911673 | Process and apparatus for distributing hydrocarbon feed to a catalyst stream | Roger L. Throndson, Paolo Palmas, Lev Davydov | 2014-12-16 |
| 8815082 | Process and apparatus for mixing two streams of catalyst | Lisa M. Wolschlag, Lev Davydov, Paolo Palmas, Robert L. Mehlberg, Daniel R. Johnson +5 more | 2014-08-26 |
| 8815166 | Process and apparatus for mixing two streams of catalyst | Paolo Palmas, Lev Davydov | 2014-08-26 |
| 8747657 | Process and apparatus for mixing two streams of catalyst | Lev Davydov, Lisa M. Wolschlag, Paolo Palmas, Robert L. Mehlberg, Daniel R. Johnson +5 more | 2014-06-10 |
| 8747758 | Process and apparatus for mixing two streams of catalyst | Lev Davydov, Lisa M. Wolschlag, Paolo Palmas, Robert L. Mehlberg, Daniel R. Johnson +5 more | 2014-06-10 |
| 8747759 | Process and apparatus for mixing two streams of catalyst | Lisa M. Wolschlag, Lev Davydov, Paolo Palmas, Robert L. Mehlberg, Daniel R. Johnson +5 more | 2014-06-10 |
| 8709235 | Process for mixing in fluidized beds | Brian W. Hedrick, Keith A. Couch, Robert L. Mehlberg | 2014-04-29 |
| 8575053 | Process for regenerator mixing | Robert L. Mehlberg, Keith A. Couch | 2013-11-05 |
| 8430556 | Internal heat exchanger/mixer for process heaters | — | 2013-04-30 |
| 8173567 | Process for regenerating catalyst | Paolo Palmas, Lawrence A. Lacijan, Sujay R. Krishnamurthy, Paul S. Nishimura, Lisa M. Wolschlag | 2012-05-08 |
| 7947230 | Apparatus for regenerating catalyst | Paolo Palmas, Lawrence A. Lacijan, Sujay R. Krishnamurthy, Paul S. Nishimura, Lisa M. Wolschlag | 2011-05-24 |
| 7902101 | Process for regenerating catalyst | Brian W. Hedrick, Robert L. Mehlberg, Daniel R. Johnson | 2011-03-08 |