Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5743926 | Apparatus for separation of liquid and vapor in distillation/flashing process | Louis Edward Stein, William David Kief, Krishna Rangraj Kaushik, Pui-Yuen Jeffrey Chan | 1998-04-28 |
| 5102583 | Apparatus for contacting a gas and a liquid | — | 1992-04-07 |
| 4954294 | Vapor/liquid contact apparatus | — | 1990-09-04 |
| 4933047 | Chimney tray hat | — | 1990-06-12 |
| 4747947 | Separator skimmer for surge vessels | — | 1988-05-31 |
| 4640743 | Multi-stage condensation process | Stanley Marple | 1987-02-03 |
| 4601788 | Apparatus for fractionation reboiling | — | 1986-07-22 |
| 4490215 | Process for fractionation reboiling | — | 1984-12-25 |
| 4484985 | Distillation and condensing process | — | 1984-11-27 |
| 4484983 | Distillation and vapor treatment process | — | 1984-11-27 |
| 4484984 | Distillation with condensation process | — | 1984-11-27 |
| 4484986 | Process for distillation and condensation | — | 1984-11-27 |
| 4436533 | Adsorption process | — | 1984-03-13 |
| 4359380 | Adsorption process | — | 1982-11-16 |
| 4358367 | Adsorption process | — | 1982-11-09 |
| 4350501 | Absorption process | — | 1982-09-21 |
| 4308131 | Method of improving thermal efficiency of sidedraw fractionating columns | — | 1981-12-29 |
| 4308130 | Crude oil distillation | — | 1981-12-29 |
| 4274944 | Fractionation process | — | 1981-06-23 |
| 4247368 | Apparatus for distillation column side stream withdrawal | Johan H. DeBie | 1981-01-27 |
| 4235706 | Multistage condensation process | — | 1980-11-25 |