Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8591102 | Measuring device for a heat exchanger | Manfred Frach | 2013-11-26 |
| 8151739 | Device with fluid distributor and measured value recording and method for operation of a boiler with a throughflow of flue gas | Manfred Frach | 2012-04-10 |
| 7891323 | Selective cleaning of heat exchanging devices in the boiler of a combustion plant | Manfred Frach | 2011-02-22 |
| 4557902 | Testing tube and testing tube filter assembly therefor | — | 1985-12-10 |