|
US1294461A
|
|
Two-fluid-control valve.
|
|
US1283179A
|
|
Hydraulic mechanism and valve for same.
|
|
US1186780A
|
|
Self-controlling reducing-valve.
|
|
US1237335A
|
|
Governor-actuated fluid-controller.
|
|
US1152176A
|
|
Butterfly-valve.
|
|
US1147861A
|
|
Packaging liquids.
|
|
US1086047A
|
|
Engine.
|
|
US974266A
|
|
Engine-stop.
|
|
US945458A
|
|
Metallic packing.
|
|
US933731A
|
|
Safety system for ammonia refrigerating apparatus.
|
|
US907597A
|
|
Packing.
|
|
US857802A
|
|
Engine.
|
|
US817773A
|
|
Balanced hydraulic valve.
|
|
US831159A
|
|
Cock.
|
|
US789855A
|
|
Relief and back-pressure valve.
|
|
US763889A
|
|
Balanced hydraulic valve.
|
|
US693133A
|
|
Automatic duplex check and stop valve.
|
|
GB189617861A
|
|
Improvements in Automatic Relief Valves.
|
|
GB189617860A
|
|
Improvements in Automatic Stop Valves.
|
