Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5164125 | Method and apparatus for downcomer-tray operation | John T. Thorngren | 1992-11-17 |
| 5147584 | Contact tray assembly and method | John T. Thorngren, Richard P. Lewis, Walter W. Grigson | 1992-09-15 |
| 5120474 | Valve-tray assembly | John T. Thorngren, Richard P. Lewis, Walter W. Grigson | 1992-06-09 |
| 5106556 | Method of downcoer-tray vapor venting | John T. Thorngren, Gary W. Gage, Jorge A. Bonilla, Daniel H. Beckman | 1992-04-21 |
| 4956127 | Downcomer-tray assembly and method | John T. Thorngren, Jorge A. Bonilla, Gary W. Gage | 1990-09-11 |
| 4909967 | Liquid distributor assembly for packed tower | Paolo Martinenghi, Tullio Petrich | 1990-03-20 |
| 4842778 | Apparatus for flow distribution in packed towers | Gilbert K. Chen, Timothy L. Holmes, Augusto Mastrodomenico | 1989-06-27 |