| 2477734 | Heating and humidifying apparatus | |||
| 2421213 | Centrifugal operated switch | |||
| 2372064 | Centrifugal device | |||
| 2339185 | Combustion turbine | |||
| 2235541 | Turbine power plant arrangement | |||
| 2192759 | Elastic fluid power plant | |||
| 2092630 | Humidifying apparatus for air conditioning | |||
| 1927205 | N/A | |||
| 1927204 | Steam power plant | |||
| 1732796 | Steam-boiler-control system | |||
| 1008358 | N/A |
| GB568685A |