|
US3141474A
|
|
Safety valve construction
|
|
US2667892A
|
|
Pilot controlled main valve for fluid pressure systems
|
|
US2398370A
|
|
Seat for safety valve constructions
|
|
US2278437A
|
|
Safety valve construction
|
|
US2145870A
|
|
Valve mechanism
|
|
US1410911A
|
|
Air-compressor control
|
|
US1410058A
|
|
Bearing clamp for engine shafts
|
|
US1448530A
|
|
Automatic cut-off for fuel of oil-burning boilers
|
|
US1447944A
|
|
Cylinder-oiler control for engines
|
|
US1459448A
|
|
Oil atomizer
|
|
US1405833A
|
|
Throttle valve
|
|
US1405832A
|
|
Water-level indicator for boilers
|
|
US1455136A
|
|
Oil separator
|
