Lachmann; Helmut
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lachmann; Helmut.The latest application filed is for "heat exchanger for cooling hot reaction gas".
- Lachmann; Helmut - Berlin DE
- Lachmann; Helmut - 43 Essen 16 DE
| Patent | Date |
|---|---|
| Heat exchanger for cooling hot reaction gas Grant 5,472,046 - Brucher , et al. December 5, 1 | 1995-12-05 |
| Nested-tube heat exchanger Grant 5,035,283 - Brucher , et al. July 30, 1 | 1991-07-30 |
| Heat exchanger, especially for cooling cracked gas Grant 4,858,684 - Brucher , et al. August 22, 1 | 1989-08-22 |
| Heat exchanger, especially for cooling cracked gas Grant 4,848,449 - Brucher , et al. July 18, 1 | 1989-07-18 |
| High-pressure self-actuating flow-control valve assembly Grant 4,673,162 - Lachmann June 16, 1 | 1987-06-16 |
| Tube-bundle heat exchanger for cooling a medium having a high inlet temperature Grant 4,294,312 - Kehrer , et al. October 13, 1 | 1981-10-13 |
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