B27K3/0257 - CPC Classification Index

ClassID:

47027 ⎘

B27K3/0257 - CPC Classification

Classification description:

Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process; Processes; Apparatus using rods or tablets, or ampoules, e.g. inserted in pre-drilled cavities

Recent Application in this class:

20220152865

2022-05-19

Wood treatment device for the pressure-free treatment of wood and a pressure-free method for treating wood

20200324434

2020-10-15

Wood treatment device for the pressure-free treatment of wood and a pressure-free method for treating wood

20190168408

2019-06-06

Wood treatment apparatus with a displaceable sleeve for treating wood and method for treating wood

20180207835

2018-07-26

SELF-TREATMENT OF UTILITY POLES IN USE

20180027820

2018-02-01

Controlled release, wood preserving composition with low-volatile organic content for treating in-service utility poles, posts, pilings, cross-ties and other wooden structures