|
US1092204A
|
|
Gas-regulator for mixing-chambers.
|
|
US1054179A
|
|
Means for controlling flow through a conduit.
|
|
US1021762A
|
|
Means for controlling flow through conduits or mains.
|
|
US983876A
|
|
Governor for valves.
|
|
US1039904A
|
|
Valve.
|
|
US1057621A
|
|
Valve.
|
|
US974555A
|
|
Regulator for gas generating and supply systems.
|
|
US966314A
|
|
Method of operating recording apparatus in gas-distributing systems.
|
|
US1189349A
|
|
Pressure-regulator for gas systems.
|
|
US958725A
|
|
Pressure-regulator for gas plants.
|
|
US1046738A
|
|
Gas-engine.
|
|
US971975A
|
|
Paper-feeding machine.
|
|
US640368A
|
|
Paper-feeding machine.
|
|
US958726A
|
|
Volume regulator and indicator.
|
