Top IPC subclasses
|
1
|
C25D
|
23
|
processes for the electrolytic or electrophoretic production of coatingselectroformingjoining workpi
|
|
2
|
G01N
|
10
|
Investigating or analysing materials by determining their chemical or physical properties
|
|
3
|
C01G
|
4
|
Compounds containing metals not covered by subclasses C01D or C01F
|
|
4
|
B24D
|
3
|
tools for grinding, buffing, or sharpening
|
|
5
|
C30B
|
2
|
single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing o
|
|
6
|
A01B
|
2
|
Soil working in agriculture or forestry; parts, details, or accessories of agricultural machines or implements, in general
|
|
7
|
F16J
|
1
|
pistonscylinderspressure vessels in generalsealings
|
|
8
|
B23H
|
1
|
Working of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool; such working combined with other forms of working of metal
|