|
GB608196A
|
|
Apparatus for separating resin and other impurities from producer gas
|
|
GB486000A
|
|
Means for securing the plates of air heaters
|
|
US2170484A
|
|
Heat interchanger
|
|
US1924255A
|
|
Machine for tentering and drying fabrics
|
|
GB394521A
|
|
Air-circulating system in machines for tentering and drying fabrics
|
|
GB299436A
|
|
Improvements in or relating to apparatus for heating air
|
|
US1937095A
|
|
Dust catcher
|
|
US1559180A
|
|
Heat exchanger
|
|
GB219291A
|
|
Improvements in or relating to means for producing forced draught in furnaces and the like
|
|
GB227014A
|
|
Improvements in or relating to means for heating air by hot gases
|
|
GB163010A
|
|
Improvements in or relating to induced draught devices for furnaces and the like
|
|
US1409967A
|
|
Heat exchanger
|
|
GB153550A
|
|
An improved heat-exchanger
|
|
GB141654A
|
|
Means for producing induced draught in furnaces
|
|
GB139386A
|
|
Means for producing draught in locomotives applicable also to land and marine boilers
|
|
GB139387A
|
|
Means for the production of combined induced and forced draught in furnaces
|
