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GB9004639D0
|
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Improvements in air diffusers and/or plenum boxes
|
|
GB8809601D0
|
|
Combination thermal actuator and fusible link, especially for fire and/or smoke dampers
|
|
GB8801895D0
|
|
Combination thermal actuator & fusible link especially for fire/smoke dampers
|
|
GB8800659D0
|
|
Sliding plate fire & smoke damper
|
|
GB8709564D0
|
|
Combination thermal actuator & fusible link
|
|
GB8707692D0
|
|
Shut-off damper
|
|
GB8618265D0
|
|
Damper blade
|
|
GB8522701D0
|
|
Damper/duct connection means
|
|
GB8522702D0
|
|
Fusible element mounting mechanism
|
|
GB8410316D0
|
|
Indicating closure of fire dampers
|
|
GB8402219D0
|
|
Damper blade
|
|
GB8329076D0
|
|
Access hatch
|
|
GB8324203D0
|
|
Dampers for ventilation systems
|
|
GB8310969D0
|
|
Damper indicating means
|
|
US4531534A
|
|
Spring-powered actuator
|
|
GB2108629A
|
|
Spring-powered actuator
|
|
GB2121531A
|
|
Dampers for ventilation ducts
|
|
GB2118293A
|
|
Fluid damper
|
|
US4304248A
|
|
Damper blade operating mechanism
|
|
GB2045610A
|
|
Damper blade operating mechanism
|
