Sulzer Ag
Sulzer AgActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| CH257661A | Process for the production of a heat accumulator and heat a… | Expired / Lapsed | 1947-01-23 | — | 0 | Details |
| CH212604A | Method for operating a warm air heating system and device f… | Expired / Lapsed | 1939-10-13 | — | 0 | Details |
| CH211358A | Thermal power plant. | Expired / Lapsed | 1939-07-25 | — | 0 | Details |
| CH205291A | Internal combustion engine. | Expired / Lapsed | 1937-08-14 | — | 0 | Details |
| CH155866A | Multi-stage pump with groups of several impellers mounted o… | Expired / Lapsed | 1931-05-19 | — | 0 | Details |
| CH153292A | Rotary compressor for chillers. | Expired / Lapsed | 1930-12-03 | — | 0 | Details |
| CH132994A | Rotary piston machine. | Expired / Lapsed | 1928-06-05 | — | 0 | Details |