ClassID:

47033

B27K3/04 - 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 Impregnating in open tanks

Recent Application in this class:
#1
20260070255
2026-03-12

SELF-FLOWING TREATMENT OF WOOD, BAMBOO, AND OTHER POROUS MATERIALS

#2
20240342945
2024-10-17

IMMERSION TREATMENT SYSTEM FOR ITEMS AND METHOD

#3
20200254645
2020-08-13

Method for preparing hydrophilic writing sliced bamboo veneer

#4
20190169839
2019-06-06

Class-A fire-protected oriented strand board (OSB) sheathing, and method of and automated factory for producing the same

#5
20190168413
2019-06-06

Class-A fire-protected wood products inhibiting ignition and spread of fire along class-A fire-protected wood surfaces and development of smoke from such fire

#6
20190168410
2019-06-06

AUTOMATED FACTORY SYSTEMS AND METHODS FOR PRODUCING CLASS-A FIRE-PROTECTED PREFABRICATED MASS TIMBER AND WOOD-FRAMED BUILDING COMPONENTS USING CLEAN FIRE INHIBITING CHEMICAL (CFIC) LIQUID SPRAYING ROBOTS AND MACHINE VISION SYSTEMS

#7
20190168409
2019-06-06

CLASS-A FIRE-PROTECTED FLOOR AND ROOF TRUSS STRUCTURES, AND METHOD OF AND FACTORY FOR PRODUCING THE SAME

#8
20170246653
2017-08-31

Method for impregnation of wood component with solid paraffin wax, apparatus therefor and wood component so impregnated

#9
20170120472
2017-05-04

Process and apparatus for treating lignocellulosic material

#10
20160303758
2016-10-20

TREATMENT TANK FOR WOODEN ARTICLES

#11
20150231666
2015-08-20

Wood treatment dipping station

#12
20150217477
2015-08-06

Treatment of wood for the production of building structures and other wood products

#13
20150158200
2015-06-11

Multi-functional wood preservatives based on a borate/fatty acid combination

#14
20140234632
2014-08-21

Wood substrate furnished with a flame retardant

#15
20140069330
2014-03-13

Treatment tank for wood articles

#16
20120225311
2012-09-06

Multi-functional wood preservatives based on a borate/fatty acid combination

#17
20100266841
2010-10-21

Treatment of wood for the production of building structures and other wood products

#18
20090280346
2009-11-12

Method for impregnation of wood component with solid paraffin wax, apparatus therefor and wood component so impregnated

#19
20060093745
2006-05-04

Treatment of wood for the production of building structures and other wood products