Lamina valve for reciprocating compressors
Lamp processing machine
Lantern with improved choke and regulator
Laser hardened reed valve
Latch assembly for slam-shut valves
Latched valve assembly
Lateral orifice water regulator
Leak arresting mechanical flow control valve
Leak arresting valve
Leak control valve
Leak detector with two stage piston chamber
Leak-detecting check valve, and leak-detection alarm system...
Leakproof one-way valve for use with vacuum attachment
Leakproof one-way valve for use with vacuum attachment
Lift check valve with dashpot
Lifting device for the closure plate of compressor valves
Line break detector for pressurized fluid pumping systems
Line pressure regulator
Linear damper for check valve
Linkage for the demand regulator of a breathing apparatus