Laminar-flow channeling in thermal flowmeters and the like
Laminated gage glass assembly
Laser liquid level gauge
Lateral mode stabilizer for coriolis flowmeter
Leakage detector system
Less position dependent volumetric flow measuring apparatus,...
Level and interface detection
Level control instrument
Level detector
Level detector for fluent material
Level detector for solids
Level gage
Level gages
Level gauge
Level gauge for a liquid storage tank
Level gauge for oil-filled transformer, choke, or tap changer
Level gauge with positive level verifier
Level gauging systems
Level indicating device
Level indicating tank closure