ClassID:

130359

E04C2/326 - CPC Classification

Classification description:

Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure formed of corrugated or otherwise indented sheet-like material; composed of such layers with or without layers of flat sheet-like material with corrugations, incisions or reliefs in more than one direction of the element

Recent Application in this class:
#1
20260117522
2026-04-30

PANELS WITH INTEGRATED RAINSCREEN

#2
20230212854
2023-07-06

CONSTRUCTION PANELS HAVING AN INTEGRATED DRAINAGE MECHANISM, AND ASSOCIATED ASSEMBLIES AND METHODS

#3
20230017991
2023-01-19

STRUCTURAL OSB PANELS WITH INTEGRATED RAINSCREEN

#4
20230000250
2023-01-05

High strength blow-molded structure

#5
20220372756
2022-11-24

Structural element

#6
20220031072
2022-02-03

High strength blow-molded structure

#7
20210207374
2021-07-08

Fiber-reinforced plastic panel material

#8
20210025166
2021-01-28

Methods and apparatuses for facilitating producing of an insulated panel

#9
20190368195
2019-12-05

Construction sheathing and methods of making and using same

#10
20190367211
2019-12-05

Structural element

#11
20190283304
2019-09-19

High strength blow-molded structure

#12
20190281983
2019-09-19

High strength blow-molded structure

#13
20190211556
2019-07-11

Plastic core structure manufactured through twin sheet technology

#14
20190202502
2019-07-04

PANEL

#15
20190143650
2019-05-16

Multilayer composite having corrugated wooden elements

#16
20190010699
2019-01-10

Panel and method for fabricating, installing and utilizing a panel

#17
20180195273
2018-07-12

Method and apparatus for producing three-dimensional topographic acoustic panels

#18
20180038103
2018-02-08

Modular wall system with integrated channels

#19
20170335567
2017-11-23

Panel and method for fabricating, installing and utilizing a panel

#20
20170238698
2017-08-24

BLOW-MOLDED PLASTIC STRUCTURES

#21
20170121976
2017-05-04

Modular wall system with integrated channels

#22
20170107011
2017-04-20

Structural element

#23
20160347376
2016-12-01

Panel

#24
20160273222
2016-09-22

Panel having recesses and protrusions

#25
20160167336
2016-06-16

Molded polymeric structure, method and apparatus for making same

#26
20150233118
2015-08-20

Sheet for Structural Material Core, Core and Structural Material Comprising Such a Sheet

#27
20150096249
2015-04-09

Subfloor component and method of manufacturing same

#28
20130183498
2013-07-18

Sheet material having a concave-convex part, and vehicle panel and laminated structure using the same

#29
20130095341
2013-04-18

Flat semi-finished product made of metal and methods for producing same as well as components thereof

#30
20120295065
2012-11-22

Panel

#31
20120042594
2012-02-23

BOARD COVER AND BOARD COVERING SYSTEM

#32
20120000264
2012-01-05

Sheet material

#33
20110192209
2011-08-11

Sheet material

#34
20110090693
2011-04-21

Building material and built-up building material structure

#35
20110041455
2011-02-24

Gusset plate construction

#36
20110005165
2011-01-13

Structural element

#37
20100227116
2010-09-09

THREE-DIMENSIONAL SHEET STRUCTURE, METHOD FOR MAKING SAME, AND SANDWICH-TYPE STRUCTURAL MATERIAL COMPRISING SUCH STRUCTURE

#38
20100199588
2010-08-12

High strength low density multi-purpose panel

#39
20100115883
2010-05-13

LOAD-BEARING SPACE LATTICE STRUCTURE, LIGHTWEIGHT CONSTRUCTION ELEMENT AND PROCESS FOR THE PREPARATION THEREOF

#40
20100009119
2010-01-14

High Strength Low Density Multi-Purpose Panel

#41
20090308001
2009-12-17

Substrate and the application

#42
20090193738
2009-08-06

Moisture drainage spacer panel for building walls

#43
20090162614
2009-06-25

Sheet material

#44
20090071098
2009-03-19

Reinforced composite panel

#45
20080236097
2008-10-02

Noise isolating underlayment

#46
20080104923
2008-05-08

ARCHITECTURAL COMPOSITE PANELS AND COMPOSITE SYSTEMS

#47
20070119120
2007-05-31

High strength low density multi-purpose panel

#48
20070098960
2007-05-03

Sandwich panel core

#49
20070033794
2007-02-15

Method of producing honeycomb structure

#50
20060177635
2006-08-10

Two-layer structural material with interdigitated protrusions

#51
20060029777
2006-02-09

Insulation structures

#52
20050252125
2005-11-17

Structural wall component

#53
20050249920
2005-11-10

Process and apparatus for forming a plastic sheet having recessed and protruded parts and double wall sheet having the plastic sheet

#54
20050223675
2005-10-13

High strength low density multi-purpose panel

#55
20050217800
2005-10-06

Apparatus for making corrugated walls

#56
20050142333
2005-06-30

Method of manufacturing composite vehicle panels

#57
20050097859
2005-05-12

Process and apparatus for making corrugated walls

#58
20050084703
2005-04-21

Structural component

#59
18749182
2025-06-24

Modular wall panel with integrated channels

#60
15152855
2017-08-08

Panel and method for fabricating, installing and utilizing a panel