Latch for a butterfly damper
Layout of a turbojet engine combustion chamber
Leaf burner
Leak proof burner assembly for oil lamps using plastic fuel...
Leak-proof venting system
Leakage control for preheater
Lean prechamber outflow combustor with continuous pilot flow
Lean prechamber outflow combustor with sets of primary air...
Lean premixed fuel burner
Lean staged combustion assembly
Lens-like radiant energy transmission control means
Lever-type safety lighter
Lifeguard pilot light for range tops
Light actuated fuel burner control system
Light detector with cleaning and testing means
Lighter
Lighter
Lighter
Lighter
Lighter