|
US1506929A
|
|
Adjustable valve-operating mechanism
|
|
US1491797A
|
|
Fluid motor
|
|
US1449416A
|
|
Roust-box cover
|
|
US1488660A
|
|
Arch construction for furnaces
|
|
US1455858A
|
|
Furnace sectional dead grate with brick inserts
|
|
US1452706A
|
|
Furnace stoker
|
|
US1463240A
|
|
Suspended arch construction for furnaces
|
|
US1463241A
|
|
Arch construction for furnaces
|
|
US1290887A
|
|
Rousting construction for furnace-grates.
|
|
CA172897A
|
|
Stoker
|
|
CA160696A
|
|
Furnace retort
|
|
CA167724A
|
|
Stoker
|
|
US1180287A
|
|
Furnace-retort.
|
|
US1273481A
|
|
Stoker.
|
|
US1243055A
|
|
Automatic stoker.
|
|
US1244945A
|
|
Stoker-driving arm.
|
|
US1107860A
|
|
Grate-bar.
|
|
US1149416A
|
|
Driving mechanism for stoker-boxes.
|
|
US1278405A
|
|
Clinker-bar.
|
|
CA147718A
|
|
Furnace arch plate
|
