Issued Patents All Time
Showing 26–44 of 44 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10258936 | Contact tray for a mass transfer column | Charles A. Griesel, Clarence Armbrister | 2019-04-16 |
| D816188 | Tray valve cover | Clarence Armbrister, Charles A. Griesel | 2018-04-24 |
| D816189 | Tray valve | — | 2018-04-24 |
| 9909824 | Distributor in mass transfer column and method of use | Darran Matthew Headley, Patrick K. Quotson | 2018-03-06 |
| 9625221 | Liquid distribution device utilizing packed distribution troughs and a mass transfer column and process involving same | Darran Matthew Headley, Stephen Andrew Pile | 2017-04-18 |
| 9295926 | Cross flow tray and support system for use in a mass transfer column | Darran Matthew Headley, David R. Ewy, Gary W. Gage | 2016-03-29 |
| 9192886 | Cyclone, cyclone mist eliminator and method of use | Charles A. Griesel | 2015-11-24 |
| 9089787 | Distributor in mass transfer column and method of use | Darran Matthew Headley, Patrick K. Quotson | 2015-07-28 |
| 8540878 | Structured packing module for mass transfer column and process involving same | Michael James Lockett | 2013-09-24 |
| 8500105 | Contact tray and method employing same | — | 2013-08-06 |
| 8298412 | Structured packing module for mass transfer column and process involving same | Michael James Lockett | 2012-10-30 |
| 8191870 | Cross-flow tray and method employing same | Charles A. Griesel | 2012-06-05 |
| D650466 | Bubble promoter for a cross-flow tray | Charles A. Griesel, Frank E. Mattke | 2011-12-13 |
| 7905937 | Two-stage mist eliminator and method | — | 2011-03-15 |
| 7722945 | Random packing elements and column containing same | — | 2010-05-25 |
| 7125004 | Liquid distributor for use in mass transfer column | Yusuf Omar Dollie, Juergen Muller, John Gommers, Rainer Käshammer, Christoph Ender | 2006-10-24 |
| 6395141 | Separation of components from aromatic hydrocarbon mixtures thereof by extractive distillation | Braam Van Dyk | 2002-05-28 |
| 6383343 | Separation of components from methanol mixtures by extractive distillation | Braam Van Dyk | 2002-05-07 |
| 6375807 | Separation of ethanol mixtures by extractive distillation | Braam Van Dyk | 2002-04-23 |