|
GB705595A
|
|
Improvements in thimble tube boilers
|
|
GB711773A
|
|
Improvements in or relating to waste heat plants
|
|
GB684419A
|
|
Improvements in or relating to tubulous heat exchangers
|
|
GB603499A
|
|
Improvements in or relating to heat recovery means for gaining heat from the exhaustgases of internal combustion engines
|
|
GB583575A
|
|
Improvements in steam generators or water heaters
|
|
GB544908A
|
|
Improvements in thermal storage units for use with ablution or cleansing plant
|
|
GB547953A
|
|
Improvements in ablution and cleansing plant
|
|
GB544563A
|
|
Improvements in steam generators or water heaters
|
|
GB536213A
|
|
Improvements in and connected with water heaters and steam generators
|
|
GB535230A
|
|
Improved hot water supply for ablution plant
|
|
GB520891A
|
|
Improvements in tubular heat exchangers or steam generators
|
|
GB498677A
|
|
Improvements in and connected with steam generators or water heaters adapted for direct firing or heating by waste gases
|
|
GB473412A
|
|
Improvements in and connected with heat exchange apparatus adapted for heating by waste gases
|
|
GB491158A
|
|
Improvements in combined direct-fired and waste heat steam generators or water heaters
|
|
GB482590A
|
|
Improvements in thimble or loop tube steam boilers and water heaters
|
|
GB455103A
|
|
Improvements in or relating to looped tube steam generators, water or air heaters
|
|
GB454885A
|
|
Improvements in or relating to thimble or loop tube steam generators or water heaters
|
|
GB447115A
|
|
Improvements in internally heated steam boilers or water heaters
|
|
GB447465A
|
|
Improvements in internally heated steam boilers or water heaters
|
|
GB447464A
|
|
Improvements in internally heated steam boilers or water heaters
|
