|
GB110984A
|
|
Improvements in Proportional Calculators.
|
|
GB108573A
|
|
Improvements in Annealing Ovens and the like.
|
|
US1225597A
|
|
Apparatus for discharging coke-hoppers or the like.
|
|
US1188255A
|
|
Discharging vertical retorts.
|
|
US1169017A
|
|
Discharging vertical retorts.
|
|
GB191510244A
|
|
Improved Means for Removing Dust from Gases.
|
|
US1171183A
|
|
Vertical retort.
|
|
US1289045A
|
|
Manufacture of coke.
|
|
US1211301A
|
|
Discharging vertical retorts.
|
|
GB191225342A
|
|
Improvements in Vertical Retorts for the Continuous Carbonisation of Coal.
|
|
GB191215470A
|
|
Improved Gas Valve.
|
|
GB191201347A
|
|
An Improvement in Vertical Retorts for Carbonisation of Coal or the like.
|
|
GB191128852A
|
|
Improvements relating to Vertical Retorts for the Carbonisation of Coal.
|
|
US1037822A
|
|
Vertical retort for the carbonization of coal or the like.
|
|
GB191028388A
|
|
An Improvement in Vertical Retorts for the Carbonisation of Coal or the like.
|
|
US974043A
|
|
Machine for discharging and charging gas-retorts or coke-ovens.
|
|
GB191016631A
|
|
Improvements relating to the Delivery of Volatile Products from Gas Retorts, Coke Oven, or the like.
|
|
GB190919305A
|
|
Improvements in Machines for Discharging and Charging Gas Retorts or Coke Ovens.
|
|
GB190327497A
|
|
Improvements in Devices for Lighting Gas Burners by Electricity.
|
|
CA310758A
|
|
Apparatus for repairing furnaces, etc.
|
