|
US953766A
|
|
Adjustable valve-controller.
|
|
US937721A
|
|
Fluid-pressure regulator.
|
|
US958185A
|
|
Regulator for gas-pumping systems.
|
|
US929534A
|
|
Door for furnaces.
|
|
US958184A
|
|
Process for quenching coke.
|
|
US723493A
|
|
Double coke-pusher.
|
|
CA78402A
|
|
Gas making machinery
|
|
CA78168A
|
|
Method of treating gases
|
|
CA67960A
|
|
Coke oven
|
|
US820525A
|
|
Method of treating and utilizing gases.
|
|
CA67116A
|
|
Coke oven
|
|
US644369A
|
|
Regenerative coke-oven.
|
|
US649451A
|
|
Device for drawing up doors of coke-ovens.
|
|
US639570A
|
|
Apparatus for leveling coal in coke-ovens.
|
|
US649483A
|
|
Externally-heated coke-oven.
|
|
US649450A
|
|
Coke-oven.
|
|
US644368A
|
|
Apparatus for transferring heat from one fluid to another.
|
|
US668225A
|
|
Apparatus for manufacturing gas.
|
|
US627595A
|
|
Coke-oven and method of operating same.
|
