Issued Patents All Time
Showing 176–200 of 244 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5513497 | Separation of fluid mixtures in multiple distillation columns | Jianguo Xu | 1996-05-07 |
| 5488727 | Methods to support multimethod function overloading with compile-time type checking | Linda Gail De Michiel, Bruce G. Lindsay | 1996-01-30 |
| 5442925 | Process for the cryogenic distillation of an air feed to produce a low to medium purity oxygen product using a single distillation column system | Leigh A. Stapf, Donald W. Woodward | 1995-08-22 |
| 5429666 | VSA adsorption process with continuous operation | Ravi Kumar, Tarik Naheiri, Charles F. Watson | 1995-07-04 |
| 5425241 | Process for the cryogenic distillation of an air feed to produce an ultra-high purity oxygen product | Donald W. Woodward | 1995-06-20 |
| 5412774 | Apparatus for and method of displaying a data item of a database using the display function of a selected data item | Narain H. Gehani, Jagannathan Srinivasan | 1995-05-02 |
| 5411578 | Vacuum swing adsorption process with mixed repressurization and provide product depressurization | Charles F. Watson, Roger Dean Whitley, Ravi Kumar | 1995-05-02 |
| 5355682 | Cryogenic air separation process producing elevated pressure nitrogen by pumped liquid nitrogen | Bruce K. Dawson, Jeffrey A. Hopkins, Jianguo Xu | 1994-10-18 |
| 5351492 | Distillation strategies for the production of carbon monoxide-free nitrogen | Ajay Modi, William T. Kleinberg | 1994-10-04 |
| 5341646 | Triple column distillation system for oxygen and pressurized nitrogen production | Jeffrey S. Langston, Paul Rodgers, Jianguo Xu | 1994-08-30 |
| 5313802 | Process to produce a krypton/xenon enriched stream directly from the main air distillation column | Steven L. Feldman | 1994-05-24 |
| 5309719 | Process to produce a krypton/xenon enriched stream from a cryogenic nitrogen generator | Steven L. Feldman | 1994-05-10 |
| 5289688 | Inter-column heat integration for multi-column distillation system | — | 1994-03-01 |
| 5275003 | Hybrid air and nitrogen recycle liquefier | Donald W. Woodward, Jianguo Xu | 1994-01-04 |
| 5275004 | Consolidated heat exchanger air separation process | William T. Kleinberg | 1994-01-04 |
| 5257504 | Multiple reboiler, double column, elevated pressure air separation cycles and their integration with gas turbines | Jianguo Xu | 1993-11-02 |
| 5255522 | Vaporization of liquid oxygen for increased argon recovery | Terrence F. Yee | 1993-10-26 |
| 5255524 | Dual heat pump cycles for increased argon recovery | Terrence F. Yee | 1993-10-26 |
| 5251450 | Efficient single column air separation cycle and its integration with gas turbines | Jianguo Xu | 1993-10-12 |
| 5251451 | Multiple reboiler, double column, air boosted, elevated pressure air separation cycle and its integration with gas turbines | Jianguo Xu | 1993-10-12 |
| 5245831 | Single heat pump cycle for increased argon recovery | Terrence F. Yee | 1993-09-21 |
| 5243078 | Production of noncyclic polyalkylene polyamines | John Herbert Frey | 1993-09-07 |
| 5230217 | Inter-column heat integration for multi-column distillation system | Donald W. Woodward | 1993-07-27 |
| 5224336 | Process and system for controlling a cryogenic air separation unit during rapid changes in production | David M. Espie, Declan Patrick O'Connor, Jorge Anibal Mandler, Arthur Ramsden Smith, Donald W. Woodward | 1993-07-06 |
| 5218825 | Coproduction of a normal purity and ultra high purity volatile component from a multi-component stream | — | 1993-06-15 |