Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12247783 | Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit | Brian R. Kromer, Neil M. Prosser, Jeremy M. Cabral | 2025-03-11 |
| 12055345 | Air separation unit and method for production of nitrogen and argon using a distillation column system with an intermediate pressure kettle column | Neil M. Prosser | 2024-08-06 |
| 11629913 | Integrated nitrogen liquefier for a nitrogen and argon producing cryogenic air separation unit | Brian R. Kromer, Neil M. Prosser, Jeremy M. Cabral | 2023-04-18 |
| 11619442 | Method for regenerating a pre-purification vessel | Richard C. Cyganovich, Cem E. Celik, Brian Powell, Devang Ashok Dasani | 2023-04-04 |
| 11402151 | Liquid natural gas liquefier utilizing mechanical and liquid nitrogen refrigeration | Nick J. Degenstein, Mohammad Abdul-Aziz Rashad | 2022-08-02 |
| 10969168 | System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit | Brian R. Kromer, Neil M. Prosser | 2021-04-06 |
| 10816263 | System and method for high recovery of nitrogen and argon from a moderate pressure cryogenic air separation unit | Neil M. Prosser, Brian R. Kromer | 2020-10-27 |
| 10663224 | System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit | Neil M. Prosser, Brian R. Kromer | 2020-05-26 |
| 10663223 | System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit | Neil M. Prosser, Brian R. Kromer | 2020-05-26 |
| 10663222 | System and method for enhanced recovery of argon and oxygen from a nitrogen producing cryogenic air separation unit | Brian R. Kromer, Neil M. Prosser | 2020-05-26 |
| 10247471 | Argon condensation system and method | Brian Powell, Henry Edward Howard, Vijayaraghavan S. Chakravarthy, Maulik R. Shelat, Steven R. Falta | 2019-04-02 |
| 10082333 | Argon condensation system and method | Brian Powell, Henry Edward Howard, Vijayaraghavan S. Chakravarthy, Maulik R. Shelat, Steven R. Falta | 2018-09-25 |
| 9759482 | Argon production method and apparatus | Henry Edward Howard, Persefoni Kechagia, Philip A. Barrett | 2017-09-12 |
| 9644890 | Argon production method and apparatus | Henry Edward Howard, Persefoni Kechagia, Philip A. Barrett | 2017-05-09 |
| 5916262 | Cryogenic rectification system for producing low purity oxygen and high purity oxygen | Neil M. Prosser, Ravindra F. Pahade, Brien Scott Wierzchowski | 1999-06-29 |
| 5901579 | Cryogenic air separation system with integrated machine compression | Kevin William Mahoney, Christine Barbara Allen-Hayes, Jack Michael Leo, Paul Arthur Henry, Todd Alan Skare +1 more | 1999-05-11 |
| 5806342 | Cryogenic rectification system for producing low purity oxygen and high purity oxygen | Dante Patrick Bonaquist, Nancy Jean Lynch, Susan Marie Sattan | 1998-09-15 |
| 5329775 | Cryogenic helium production system | Brian C. Fiedler, James J. Maloney | 1994-07-19 |
| 5041149 | Separation of nitrogen and methane with residue turboexpansion | — | 1991-08-20 |
| 4987744 | Cryogenic distillation with unbalanced heat pump | Ravindra F. Pahade | 1991-01-29 |
| 4878932 | Cryogenic rectification process for separating nitrogen and methane | Ravindra F. Phade | 1989-11-07 |
| 4664686 | Process to separate nitrogen and methane | Ravindra F. Pahade, James J. Maloney | 1987-05-12 |