ClassID:

130458

E04C3/22 - CPC Classification

Classification description:

Structural elongated elements designed for load-supporting; Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of concrete or other stone-like material, e.g. with reinforcements or tensioning members built-up by elements jointed in line

Recent Application in this class:
#1
20250154765
2025-05-15

Construction method for concrete structure integrated with waveguide tube

#2
20240417996
2024-12-19

ELONGATE MEMBERS, METHODS OF THEIR CONSTRUCTION AND APPARATUS THEREFOR

#3
20210348383
2021-11-11

Wall block, range of wall blocks, and formwork for producing a wall block

#4
20210324629
2021-10-21

Unified Prefinished Panel

#5
20190329447
2019-10-31

Structure of reinforced cementitious material and process of making the same structure by a three-dimensional printing process

#6
20190039000
2019-02-07

Underdrain system using one-piece cell dividers

#7
20170218649
2017-08-03

CMU cooling tower and method of construction

#8
20170183861
2017-06-29

Joining device for precast reinforced concrete columns with a dry joint

#9
20170030069
2017-02-02

Load bearing interlocking structural blocks and tensioning system

#10
20160369499
2016-12-22

Guide device for retaining ties in masonry walls

#11
20160319540
2016-11-03

Mechanically secured block assembly systems

#12
20160265212
2016-09-15

Precast segment, stacking structure and energy dissipation column thereof

#13
20150204043
2015-07-23

Casting guide for reinforced concrete pile sections

#14
20120186172
2012-07-26

CONSTRUCTION SYSTEM FOR BUILDINGS

#15
20120023845
2012-02-02

Base Mat Assembly And Method For Constructing The Same

#16
20110146170
2011-06-23

Light-weight load-bearing structures reinforced by core elements made of segments and a method of casting such structures

#17
20100154332
2010-06-24

BASE MAT ASSEMBLY AND METHOD OF CONSTRUCTING THE SAME

#18
20090263189
2009-10-22

JOINT FOR REINFORCED CONCRETE PILE SECTIONS

#19
20090064610
2009-03-12

Segments for building spliced prestressed concrete girder and method of manufacturing the segments

#20
20090022545
2009-01-22

JOINT FOR REINFORCED CONCRETE PILE SECTIONS

#21
20070039283
2007-02-22

Method of installing prefabricated, segment concrete filled tube members

#22
20060254196
2006-11-16

Tower made of prestressed concrete prefabricated assembly units

#23
20060254168
2006-11-16

Tower made of prestressed concrete prefabricated assembly units

#24
20050120644
2005-06-09

Precast post-tensioned segmental pole system

#25
20050039411
2005-02-24

Doubly prestressed roof-ceiling construction with grid flat-soffit for extremely large spans

#26
17306201
2022-05-03

FRP splice system for joining structural elements