ClassID:

47030

B27K3/0278 - 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 involving an additional treatment during or after impregnation

Sub-classes:
Recent Application in this class:
#1
20250381704
2025-12-18

ELEVATED PRESSURE HYBRID WOOD MODIFICATION

#2
20250214276
2025-07-03

In-Process Drying for Oil Based Timber Treatment

#3
20250162189
2025-05-22

STRONG AND TOUGH STRUCTURAL WOOD MATERIALS, AND METHODS FOR FABRICATING AND USE THEREOF

#4
20240383169
2024-11-21

TRANSPARENT WOOD SURFACE IMPRINTING OPTICAL DEVICE AND APPLICATION THEREOF

#5
20240116209
2024-04-11

METHOD FOR MANUFACTURING A WOOD-POLYMER COMPOSITE

#6
20240001585
2024-01-04

Densified Hygroscopic Materials And Products Made Thereof

#7
20230278253
2023-09-07

COOLING ACETYLATED WOOD ELEMENTS

#8
20230234258
2023-07-27

MOLDABLE AND MOLDED CELLULOSE-BASED STRUCTURAL MATERIALS, AND SYSTEMS AND METHODS FOR FORMING AND USE THEREOF

#9
20230166427
2023-06-01

Strong and tough structural wood materials, and methods for fabricating and use thereof

#10
20230034800
2023-02-02

Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby

#11
20220362962
2022-11-17

Flexible wood structures and devices, and methods for fabricating and use thereof

#12
20220340816
2022-10-27

Fire-retardant oriented strand board

#13
20220297342
2022-09-22

METHOD FOR THE ACETYLATION OF WOOD

#14
20220274281
2022-09-01

METHOD FOR CONTINUOUS ACETYLATION OF WOOD ELEMENTS

#15
20220204781
2022-06-30

Fire-retardant oriented strand board (OSB)

#16
20220040881
2022-02-10

Strong and tough structural wood materials, and methods for fabricating and use thereof

#17
20210268683
2021-09-02

Treated porous material

#18
20210197419
2021-07-01

MODIFIED WOOD PRODUCT

#19
20210138684
2021-05-13

Method for reinforcing and enhancing bamboo/wood materials

#20
20210016466
2021-01-21

Modified wood product and a process for producing said product

#21
20210008755
2021-01-14

Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby

#22
20200392412
2020-12-17

Fire-retardant oriented strand board

#23
20200376707
2020-12-03

Treatment of wooden materials

#24
20200368936
2020-11-26

Durable palm fiber composite material and preparing method thereof

#25
20200298438
2020-09-24

Treated porous material

#26
20200282591
2020-09-10

Flexible wood structures and devices, and methods for fabricating and use thereof

#27
20200254646
2020-08-13

Treated porous material

#28
20200223091
2020-07-16

Strong and tough structural wood materials, and methods for fabricating and use thereof

#29
20200151832
2020-05-14

FACTORY METHODS, SYSTEM AND NETWORK FOR PREFABRICATING CLASS-A FIRE-PROTECTED WOOD-FRAMED BUILDINGS AND COMPONENTS USED TO CONSTRUCT THE SAME

#30
20200101635
2020-04-02

Method for continuous acetylation of wood elements

#31
20200047370
2020-02-13

Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby

#32
20190322000
2019-10-24

Cooling acetylated wood elements

#33
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

#34
20190126506
2019-05-02

Wood treatment for dimensional stabilization

#35
20190099913
2019-04-04

Wood pigment compositions and wood treatment processes

#36
20190084181
2019-03-21

Methods and systems for impregnating wood with a polymer solution and products thereof

#37
20190002731
2019-01-03

Coating compositions and treating method

#38
20180327943
2018-11-15

Knitting needles

#39
20180257256
2018-09-13

UV-STABLE AND SUPERHYDROPHOBIC WOOD SURFACE

#40
20180207834
2018-07-26

Methods and systems for impregnating wood with a polymer solution and products thereof

#41
20180093390
2018-04-05

Method for the acetylation of wood

#42
20180079104
2018-03-22

METHOD FOR CONTINUOUS ACETYLATION OF WOOD ELEMENTS

#43
20170306165
2017-10-26

Broken dispersion for hydrophobicizing lignocellulose-containing material

#44
20170274552
2017-09-28

Process for treating wood

#45
20170266838
2017-09-21

Methods for enhancing the preservation of cellulosic materials and cellulosic materials prepared thereby

#46
20170252718
2017-09-07

Heat insulation material based on aerogel

#47
20170239836
2017-08-24

Method for preparing functional engineered wood

#48
20170203467
2017-07-20

Process for the acetylation of wood

#49
20170197329
2017-07-13

Wood treatment for dimensional stabilization

#50
20170129131
2017-05-11

Treated wood material

#51
20170120472
2017-05-04

Process and apparatus for treating lignocellulosic material

#52
20170113373
2017-04-27

Treated porous material

#53
20150189870
2015-07-09

Wood preservatives and methods for treating wood

#54
20150128827
2015-05-14

Flame-retardant and corrosion-resistant fiber bamboo substrate and preparation method thereof

#55
20150086772
2015-03-26

Methods of filling wood voids and reducing waste in production of coated wood products

#56
20140234632
2014-08-21

Wood substrate furnished with a flame retardant

#57
20140154515
2014-06-05

Polymer impregnated bamboo

#58
20140147640
2014-05-29

Method of wood preservation using expiration control

#59
20130309517
2013-11-21

Wood treating agent and method of treating wood or wood based materials or the like

#60
20130295365
2013-11-07

Process for wood acetylation and product thereof

#61
20130171372
2013-07-04

WOOD TREATMENT METHOD AND APPARATUS EMPLOYING ENHANCED WOOD-TRANSPORTING CART DRIVE SYSTEM

#62
20130017399
2013-01-17

Methods and compositions for treating wood

#63
20110091736
2011-04-21

Esterified lignocellulosic materials and methods for making them

#64
20110045268
2011-02-24

Process for wood acetylation and product thereof

#65
20100331531
2010-12-30

METHODS FOR ESTERIFYING LIGNOCELLULOSIC MATERIAL

#66
20100016426
2010-01-21

Post-impregnation treatments to improve distribution of metal biocides in an impregnated substrate

#67
20100003411
2010-01-07

Method for treating wooden parts

#68
20090297871
2009-12-03

Wood Impregnation

#69
20080105195
2008-05-08

Apparatus and method for treating and impregnating porous structures

#70
20060231197
2006-10-19

LAMINATED PLATE MATERIAL HAVING NATURAL TEXTURE AND METHOD OF MANUFACTURING THEREOF

#71
20060128773
2006-06-15

Wood preservatives and waterproofing compositions and processes

#72
14734579
2018-08-21

Spirit flavored and scented wooden articles