| 1920117 | Pulverized fuel burner | |||
| 2032827 | Method of and apparatus for providing material in finely divided form | |||
| 2053340 | Pulverized fuel apparatus | |||
| 2055385 | Pulverizing plant | |||
| 2103453 | Method of burning pulverized fuel | |||
| 2111908 | Combustion apparatus | |||
| 2187627 | Combustion, heat-transfer, and gas purification plant | |||
| 2191095 | Centrifugal fluid jet pulverizer | |||
| 2219011 | Apparatus for grinding | |||
| 2259967 | Fuel supply system | |||
| 2284708 | Fuel burner | |||
| 2335188 | Fuel burner | |||
| 2354999 |