Top IPC subclasses
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1
|
F23G
|
5
|
Cremation furnaces; consuming waste or low grade fuels by combustion
|
|
2
|
C10B
|
2
|
destructive distillation of carbonaceous materials for production of gas, coke, tar, or similar mate
|
|
3
|
B09B
|
1
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disposal of solid waste
|
|
4
|
F23K
|
1
|
feeding fuel to combustion apparatus
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|
5
|
C10J
|
1
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production of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures c
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