Top IPC subclasses
|
1
|
A21D
|
24
|
treatment, e.g. preservation, of flour or dough for baking, e.g. by addition of materialsbakingbaker
|
|
2
|
C12N
|
13
|
Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
|
|
3
|
H01L
|
12
|
Semiconductor devices; electric solid state devices not otherwise provided for
|
|
4
|
A23L
|
11
|
Foods, foodstuffs, or non-alcoholic beverages, not covered by subclasses A21D or A23B-A23J; their preparation or treatment, e.g. cooking, modification of nutritive qualities, physical treatment; preservation of foods or foodstuffs, in general
|
|
5
|
H02S
|
11
|
|
|
6
|
F24S
|
8
|
|
|
7
|
C12R
|
5
|
Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
|
|
8
|
H02M
|
5
|
apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use wit
|
|
9
|
A23G
|
5
|
cocoacocoa products, e.g. chocolatesubstitutes for cocoa or cocoa productsconfectionerychewing gumic
|
|
10
|
G01N
|
4
|
Investigating or analysing materials by determining their chemical or physical properties
|
|
11
|
B82Y
|
4
|
|
|
12
|
F03D
|
3
|
Wind motors
|
|
13
|
C07D
|
3
|
Heterocyclic compounds
|
|
14
|
C07F
|
3
|
acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
|
|
15
|
C30B
|
3
|
single-crystal growthunidirectional solidification of eutectic material or unidirectional demixing o
|
|
16
|
H10N
|
3
|
|
|
17
|
F16H
|
2
|
gearing
|
|
18
|
B82B
|
2
|
nano-structuresmanufacture or treatment thereof
|
|
19
|
C12G
|
2
|
Wine; other alcoholic beverages; preparation thereof
|
|
20
|
B30B
|
2
|
presses in generalpresses not otherwise provided for
|