Skip to content
Patent Classification Explorer
PCE
AI Classify
Search classifications...
/
Toggle theme
Search Classifications
Search for IPC and CPC classification codes or keywords
IPC
CPC
Diff
B
B27
B27K
B27K 3/00
B27K 3/007
CPC
Subgroup
B27K 3/007
Full Title
Impregnating wood, (dyeing, staining B27K5/00)