Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4977746 | Process and plant for separating air and producing ultra-pure oxygen | Philippe Mazieres | 1990-12-18 |
| 4863497 | Ozone-producing plant | Pierre Petit | 1989-09-05 |
| RE33026 | Process and device for vaporizing a liquid by heat exchange with a second fluid and their application in an air distillation installation | Pierre Petit, Jean-Francois Deschamps | 1989-08-22 |
| 4786489 | Ozone-producing process | Pierre Petit | 1988-11-22 |
| 4717410 | Process and installation for producing nitrogen under pressure | — | 1988-01-05 |
| 4599097 | Process and device for vaporizing a liquid by heat exchange with a second fluid and their application in an air distillation installation | Pierre Petit, Jean-Francois Deschamps | 1986-07-08 |
| 4541851 | Reactor and apparatus for purifying by adsorption | Maurice Bosquain, Leon Hay, Paul Lapeyre, Jean-Yves Lehman, Pierre Petit +1 more | 1985-09-17 |
| 4479540 | Gasification of coal | — | 1984-10-30 |
| 4330308 | Plate-type heat exchangers | Pierre Petit | 1982-05-18 |
| 4228660 | Heat exchangers | — | 1980-10-21 |
| 4181174 | Heat exchangers | — | 1980-01-01 |