|
GB9024173D0
|
|
Heat exchangers
|
|
GB9000460D0
|
|
Gas burners
|
|
GB8924499D0
|
|
Heating boilers
|
|
GB8924461D0
|
|
Heating boilers
|
|
GB8919662D0
|
|
Heating boilers
|
|
GB8914143D0
|
|
Back-boiler units
|
|
GB8821591D0
|
|
Heating boiler installation
|
|
GB8615148D0
|
|
Motor apparatus for control valve
|
|
GB8514802D0
|
|
Air-flow measuring device and method
|
|
EP0124567A1
|
|
Valves.
|
|
US4679728A
|
|
Electrical control unit
|
|
EP0080257A1
|
|
Electrical control apparatus in gas-burning appliances
|
|
GB2096657A
|
|
Apparatus and method for binding and severing rope
|
|
GB2068093A
|
|
Heat exchangers
|
|
EP0005951A1
|
|
Cast metal heat exchanger
|
|
GB1489727A
|
|
Control apparatus for gas burning appliance
|
|
GB1425646A
|
|
Control apparatus for gas burning appliance
|
|
GB1394745A
|
|
Storage heaters
|
|
IE35158B1
|
|
Safety devices for electrical heating apparatus
|
|
IE34935L
|
|
Improvements in electrical storage heaters
|
