ClassID:

130012

E04B2/22 - CPC Classification

Classification description:

Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls built-up from layers of building elements; Walls having cavities in, but not between, the elements, i.e. each cavity being enclosed by at least four sides forming part of one single element using elements having a general shape differing from that of a parallelepiped

Recent Application in this class:
#1
20260139480
2026-05-21

Construction Blocks for Forming a Breeze Block Wall Having Different Depths at Its Edges

#2
20260139474
2026-05-21

Construction Blocks for Forming a Breeze Block Wall Having Different Depths at Its Edges and Along Its Sides

#3
20260117516
2026-04-30

STRUCTURAL ELEMENT, LAYOUT AND WALL FOR ARCHITECTURAL CONSTRUCTION, ESPECIALLY FRAME HOUSES

#4
20260035912
2026-02-05

INTERLOCKING CONSTRUCTION BLOCKS

#5
20260035911
2026-02-05

INTERLOCKING CONSTRUCTION BLOCKS

#6
20250034862
2025-01-30

BRICKS EXHIBITING NEGATIVE POISSON`S RATIO

#7
20240117629
2024-04-11

Bricks exhibiting negative Poisson's ratio

#8
20230383533
2023-11-30

INTERLOCKING CONSTRUCTION BLOCKS

#9
20230257993
2023-08-17

Bricks exhibiting negative Poisson's ratio

#10
20230175253
2023-06-08

Interlocking modular block system

#11
20220364358
2022-11-17

BUILDING BLOCK AND EXTREME WEATHER BUILDING SYSTEM

#12
20220228369
2022-07-21

Multi-purpose building block, and a building system comprising the same

#13
20210238847
2021-08-05

Construction block units

#14
20190257054
2019-08-22

Building block and methods

#15
20190177972
2019-06-13

Dry stack construction block system and method

#16
20190136518
2019-05-09

CONSTRUCTION BLOCKS

#17
20180334800
2018-11-22

STRUCTURAL MASONRY ASSEMBLY

#18
20180223524
2018-08-09

Construction blocks

#19
20180222081
2018-08-09

MODULAR MOLD SETS AND METHODS FOR MANUFACTURING CONSTRUCTION BLOCKS

#20
20180028932
2018-02-01

Dovetailed building block

#21
20170247879
2017-08-31

Masonry wall assembly

#22
20170009448
2017-01-12

Masonry wall assembly

#23
20160230387
2016-08-11

Assembly unit and assembly including same

#24
20160108614
2016-04-21

Construction blocks and systems

#25
20150259125
2015-09-17

Modular element for storage basin construction, supporting structure, method of construction thereof

#26
20150064375
2015-03-05

Modular structure and method for preparing same

#27
20150052837
2015-02-26

Masonry wall assembly

#28
20140237922
2014-08-28

Building block system

#29
20090301020
2009-12-10

Unit for block walls and walls incorporating the unit

#30
20080229698
2008-09-25

Modular Building Elements For Constructing Retaining Wall and the Construction Method Thereof

#31
20080120931
2008-05-29

Masonry block arrangements; wall units; and, methods

#32
20050257481
2005-11-24

System of stacked concrete blocks, each block having a tire wall stack therewithin surrounding a hollow core through which a vertical reinforcing member extends and reinforcing bars in mortar in void between adjacent blocks

#33
20050066596
2005-03-31

Interlocking building block

#34
15809693
2018-07-31

Architectural building block system

#35
14641102
2016-05-24

Step-block precast stair