ClassID:

130306

E04C1/24 - CPC Classification

Classification description:

Building elements of block or other shape for the construction of parts of buildings Elements for building-up floors, ceilings, roofs, arches, or beams

Sub-classes:
Recent Application in this class:
#1
20230193617
2023-06-22

Three-dimensional printed building components and structures

#2
20210388609
2021-12-16

MODULAR CONSTRUCTION OF LOAD-BEARING STRUCTURES FROM REUSABLE LOAD-BEARING ELEMENTS

#3
20210277648
2021-09-09

Three-dimensional printed building components and structures

#4
20210054622
2021-02-25

MASONRY BUILDING BLOCKS AND BUILDING SYSTEM THEREOF

#5
20200263427
2020-08-20

Interlocking blocks for modular structures

#6
20200255638
2020-08-13

Alternative construction system with architectural elements manufactured with recycled plastic and the formulation of the material thereof

#7
20200190805
2020-06-18

HOLLOW BRICK WITH HOLDING RIBS

#8
20200190799
2020-06-18

PREFABRICATED FRAME

#9
20190277028
2019-09-12

Multiple layer substrate for roofing materials

#10
20190136533
2019-05-09

Masonry block with leveling pads

#11
20180346382
2018-12-06

METHOD OF MANUFACTURE AND USE OF LOAD BEARING INTERLOCKING STRUCTURAL BLOCKS AND MODULAR BUILDING SYSTEM

#12
20170284079
2017-10-05

SELF-INTERLOCKING BLOCKS FOR HABITABLE STRUCTURES

#13
20170145680
2017-05-25

ARCHED BUILDING STRUCTURE, MODULAR BUILDING BLOCKS, AND METHOD OF CONSTRUCTING AN ARCHED BUILDING STRUCTURE

#14
20160281357
2016-09-29

Foldable brick with rope attachments and detachable wall building system

#15
20160244368
2016-08-25

LOAD BEARING INTERLOCKING STRUCTURAL BLOCKS, MODULAR BUILDING SYSTEMS AND STRUCTURES

#16
20160230387
2016-08-11

Assembly unit and assembly including same

#17
20150068145
2015-03-12

Surface covering system and method for producing such a system

#18
20140366478
2014-12-18

Bridgelike support structure made of fireproof ceramic bricks

#19
20140331590
2014-11-13

BUILDING BLOCK AND INTERLOCKING CONSTRUCTION METHOD

#20
20140230357
2014-08-21

Interlocking block construction system

#21
20140196392
2014-07-17

MASONRY UNITS AND STRUCTURES FORMED THEREFROM

#22
20140053493
2014-02-27

Convex structural block for constructing parabolic walls

#23
17829040
2025-10-14

Prefabricated building systems and elements thereof

#24
17165259
2021-12-28

Modular wall block, interlocking block assembly, and retaining wall constructed of an assembly of modular wall blocks

#25
16709830
2021-10-19

Modular building blocks and building system

#26
16292903
2019-11-26

Architectural building block system

#27
16052197
2019-12-10

Modular building blocks and building system

#28
15809693
2018-07-31

Architectural building block system