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GB626735A
|
|
An improvement in or relating to valves of the hinged-flap type
|
|
GB626730A
|
|
An improvement in or relating to valves of the hinged-flap type
|
|
GB618991A
|
|
New or improved method of or means for preventing freezing of hydraulically-operated valves for controlling the flow of water
|
|
GB613266A
|
|
Improvements in or relating to valves of the split-wedge gate type for controlling the flow of gaseous or liquid media
|
|
GB602643A
|
|
An improvements in or relating to standpipe couplings
|
|
GB594098A
|
|
Improvements in or relating to pressure-reducing valves
|
|
GB583774A
|
|
An improved cooling device for sand and like material
|
|
GB592420A
|
|
An improvement in or relating to valves
|
|
GB586885A
|
|
An improvement in or relating to means for securing valve seat rings
|
|
GB582909A
|
|
An improvement in or relating to reflux valves
|
|
GB580268A
|
|
Improved control system for electrically-operated valves, penstocks, sluice gates and the like
|
|
GB568074A
|
|
Improvements in or relating to load-handling apparatus
|
|
GB563155A
|
|
An improvement in or relating to stand-pipe couplings
|
|
GB561319A
|
|
An improvement in or relating to valves for water mains
|
|
GB561493A
|
|
An improvement in or relating to hydraulically-operated sluice valves
|
|
GB560750A
|
|
An improvement relating to hydraulically-operated valves
|
|
GB553456A
|
|
Improved means for indicating the position of opening of a valve or the position of any other movable part operated by a rotating spindle
|
|
GB552268A
|
|
An improvement in or relating to valves for water mains
|
|
GB546576A
|
|
An improvement in or relating to self-closing valves
|
|
GB541351A
|
|
An improvement in or relating to float-controlled valves
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