Equipment for measuring the yield of oil wells
Expandable float assembly for use with an accumulator
Expansion tank with valve
Explosion-retardant containment vessel for storage of flammable
Extraction valve head for tanks
Fill limit vent valve
Fill-up control valve structure
Filling valve
Filter unit for a baseboard hot water heating system
Fitting for clearing water from fluid containing systems
Flammable liquids
Flexible band device
Float activated shutoff valve
Float actuated combination air and vacuum valve
Float and valve assembly for accumulator
Float arrangement for liquid containers
Float assisted automatic driptrap
Float controllable valve
Float controlled condensate discharge device
Float controlled separator valve