Bernard Darredeau
24Patents
9h-index
24Co-inventors
75Inventor score
Filing activity: Jul 3, 1974 → Mar 15, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5685172A | Process and device for the preparation of a flow which is substantially purified with respect to at least one of the impurities oxygen and carbon monoxide | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5386686A | Process for the operation of a gas turbine group and the production of at least one air gas | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US5505051A | Process for restarting an auxilliary column for argon/oxygen separation by distillation and corresponding installation | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5082482A | Process and apparatus for the production of gaseous oxygen with a variable flow by air distillation | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5209070A | Process and arrangement for the distillation of air in the production of gaseous oxygen under variable operating conditions | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5666825A | Process and installation for the separation of air | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6395138B1 | Liquid dispenser for distilling column, and corresponding distilling column | Mechanical Engineering; Lighting; Heating | 10 | Expired |
| US5437160A | Process and installation for the separation of air | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5355680A | Process and installation for producing gaseous nitrogen with variable flow rate | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5454226A | Process and plant for liquefying a gas | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5412953A | Process and installation for the production of gaseous oxygen and/or gaseous nitrogen under pressure by distillation of air | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6666048B1 | Variable capacity fluid mixture separation apparatus and process | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6272883A | Plant for separation of a gas mixture by distillation | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5629208A | Method for controlling impurities in an installation for the separation of air | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6393864B1 | Bath reboiler-condenser consisting of brazed plates and its application to an air distillation plant | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6294053A | Liquid dispenser for oscillating distilling column, and corresponding distilling column | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US5901580A | Process and installation for the separation of air | Emerging Cross-Sectional Technologies | 4 | Expired |
| US3945214A | Method and apparatus for cooling a gas | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US6205815A | Plant for separation of a gas mixture by distillation | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6536233B2 | Process and installation for the production of ultra-pure oxygen by distillation of air | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5592834A | Process and installation for the separation of air | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5548975A | Process and installation for the separation of a gaseous mixture by cryogenic distillation | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US5337569A | Process and installation for the transfer of liquid | Emerging Cross-Sectional Technologies | 2 | Expired |
| US5778699A | Process and installation for the production of argon by cryogenic distillation | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.