Pohl; Siegfried
Patent Applications and Registrations
Patent applications and USPTO patent grants for Pohl; Siegfried.The latest application filed is for "circuit arrangement for telecommunications switching systems, particularly telephone switching systems, etc.".
- Pohl; Siegfried - Oberschleissheim DE
- Pohl; Siegfried - Heidenrod DE
- Pohl; Siegfried - Bochum DE
- Pohl; Siegfried - Niederkassel-Rheidt DT
| Patent | Date |
|---|---|
| Circuit arrangement for telecommunications switching systems, particularly telephone switching systems, etc. Grant 4,860,344 - Jans , et al. August 22, 1 | 1989-08-22 |
| Refractory article suitable for casting molten metal Grant 4,634,685 - Pohl , et al. January 6, 1 | 1987-01-06 |
| System for detecting faults in the wall of a high-temperature pressure vessel Grant 4,159,447 - Gernhardt , et al. June 26, 1 | 1979-06-26 |
| Water-cooled, high-temperature gasifier and method for its operation Grant 4,098,324 - Kummel , et al. July 4, 1 | 1978-07-04 |
| Control system for apparatus to gasify fine-grain fuels in a reactor Grant 4,073,628 - Gernhardt , et al. February 14, 1 | 1978-02-14 |
| Control system for a coal gasification plant Grant 4,049,394 - Gernhardt , et al. September 20, 1 | 1977-09-20 |
| Slag bath generator Grant 4,043,766 - Gernhardt , et al. August 23, 1 | 1977-08-23 |
| Flower Pot Grate-tray Grant 3,825,126 - Pohl , et al. July 23, 1 | 1974-07-23 |
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