US1924980A
|
|
Solid fuel distilling apparatus
|
GB266656A
|
|
Process and apparatus for the gasification of solid fuels
|
GB247571A
|
|
Process and apparatus for the gasification of solid fuels
|
US1818533A
|
|
Method for obtaining various gases and recovering by-products
|
GB237883A
|
|
Improved process and apparatus for the gasification of solid fuel, applicable also to volatilizing or reducing ores
|
US1799886A
|
|
Process for the gasification of solid fuel
|
GB249535A
|
|
Improved heat interchanging apparatus
|
GB231186A
|
|
Improved heat interchanging apparatus and process
|
GB249534A
|
|
Improved heat interchanging apparatus and process
|
GB229331A
|
|
Improved process for gasifying solid fuel reducing ores and smelting metals and apparatus therefor
|
US1799885A
|
|
Process of generating producer gas
|