Top IPC subclasses
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1
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A62D
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7
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chemical means for extinguishing firesprocesses for making harmful chemical substances harmless, or
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2
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C07C
|
6
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Acyclic or carbocyclic compounds
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|
3
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F23G
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3
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Cremation furnaces; consuming waste or low grade fuels by combustion
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4
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C07B
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2
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General methods of organic chemistry; apparatus therefor
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5
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C10J
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2
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production of producer gas, water-gas, synthesis gas from solid carbonaceous material, or mixtures c
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6
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G21F
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2
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protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardmenttreati
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