Object propelling means and valve therefor
Odor trap for drain
Oil control valve flow metering arrangement
Oil cooler bypass valve
Oil cooler bypass valve
Oil level control system having high temperature actuated...
Oil pump for furnace
Oil valve attachment for engine crank casings
Oil-piloted air inversion valve
On/off valve capable of drawing back fluid when closed
One piece diaphragm for pressure balanced valve assembly
One piece seat ring with o-ring seal
One touch actuated valve
One touch valve
One-directional microball valve for a microfluidic device
One-piece ballkey
One-piece handle for angle cocks
One-piece plastic tap
One-piece seat ring
One-tank safety fuel reserve