Top IPC subclasses
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1
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C25D
|
25
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processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpi
|
|
2
|
B21B
|
4
|
rolling of metal
|
|
3
|
C10M
|
3
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lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a l
|
|
4
|
C10N
|
2
|
indexing scheme associated with subclass
|
|
5
|
B22F
|
2
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working metallic powdermanufacture of articles from metallic powdermaking metallic powder
|
|
6
|
C25C
|
2
|
processes for the electrolytic production, recovery or refining of metalsapparatus therefor
|
|
7
|
G01N
|
1
|
Investigating or analysing materials by determining their chemical or physical properties
|
|
8
|
H02J
|
1
|
circuit arrangements or systems for supplying or distributing electric powersystems for storing elec
|
|
9
|
C25B
|
1
|
Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
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