Top IPC subclasses
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1
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C23C
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6
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Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
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2
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A61B
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5
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Diagnosis; surgery; identification
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3
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C21D
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3
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modifying the physical structure of ferrous metalsgeneral devices for heat treatment of ferrous or n
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4
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A61K
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2
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Preparations for medical, dental, or toilet purposes
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5
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G01N
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1
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Investigating or analysing materials by determining their chemical or physical properties
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