Issued Patents All Time
Showing 51–74 of 74 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670031 | Increased argon recovery from air distillation | — | 1987-06-02 |
| 4652279 | Thermally stable noncorrosive water vapor absorbent | — | 1987-03-24 |
| 4617182 | Cascade heat recovery with coproduct gas production | William R. Brown, Anthony A. Cassano, Brian R. Dunbobbin, Pradip Rao | 1986-10-14 |
| 4614605 | Water vapor absorbent containing cesium hydroxide | — | 1986-09-30 |
| 4605427 | Cryogenic triple-pressure air separation with LP-to-MP latent-heat-exchange | — | 1986-08-12 |
| 4604116 | High pressure oxygen pumped LOX rectifier | — | 1986-08-05 |
| 4582518 | Nitrogen production by low energy distillation | — | 1986-04-15 |
| 4578095 | Low energy high purity oxygen plus argon | — | 1986-03-25 |
| 4563295 | High temperature absorbent for water vapor | — | 1986-01-07 |
| 4533375 | Cryogenic air separation with cold argon recycle | — | 1985-08-06 |
| 4521398 | Controlled temperature expansion in oxygen production by molten alkali metal salts | — | 1985-06-04 |
| 4464191 | Cryogenic gas separation with liquid exchanging columns | — | 1984-08-07 |
| 4454724 | Aqueous absorbent for absorption cycle heat pump | — | 1984-06-19 |
| 4433989 | Air separation with medium pressure enrichment | — | 1984-02-28 |
| 4402795 | Reverse absorption heat pump augmented distillation process | — | 1983-09-06 |
| 4357153 | Internally heat pumped single pressure distillative separations | — | 1982-11-02 |
| 4357308 | Dual temperature dual desulfurization | — | 1982-11-02 |
| 4350571 | Absorption heat pump augmented thermal separation process | — | 1982-09-21 |
| 4340578 | Oxygen production by molten alkali metal salts | — | 1982-07-20 |
| 4310503 | Hydrogen production by multistaged intermediate oxidation-reduction | — | 1982-01-12 |
| 4287170 | Nitrogen and oxygen via chemical air separation | — | 1981-09-01 |
| 4283374 | Regenerable manganese oxide hot gas desulfurization process | — | 1981-08-11 |
| 4216199 | Hydrogen production from carbonaceous fuels using intermediate oxidation-reduction | — | 1980-08-05 |
| 4207298 | High temperature removal of H.sub.2 S from reducing gas | — | 1980-06-10 |