ClassID:

130503

E04C5/10 - CPC Classification

Classification description:

Reinforcing elements, e.g. for concrete; Auxiliary elements therefor; Members specially adapted to be used in prestressed constructions Ducts

Recent Application in this class:
#1
20250341095
2025-11-06

SPAN TO SPAN DUCT COUPLER

#2
20250059764
2025-02-20

STEPPED CLOSURE FOR DUCT COUPLING

#3
20240254770
2024-08-01

DEVICES, SYSTEMS, AND METHODS FOR CONNECTING CONCRETE STRUCTURAL ELEMENTS

#4
20230417041
2023-12-28

APPARATUSES AND METHODS FOR CONSTRUCTING A CONCRETE STRUCTURE USING PRECAST CONCRETE COMPONENTS

#5
20230228086
2023-07-20

SPAN TO SPAN DUCT COUPLER

#6
20220390405
2022-12-08

System and method for imaging tendon cross sections for detecting voids and other deficiencies in grouted external tendons

#7
20220243470
2022-08-04

Cellulose-based structural flooring panel assembly

#8
20220214294
2022-07-07

System and method for imaging tendon cross sections for detecting voids and other deficiencies in grouted external tendons

#9
20220195731
2022-06-23

Sheathing clamps for unbonded post-tensioning assemblies

#10
20210340782
2021-11-04

Sealing connector for post tensioned anchor system

#11
20210324630
2021-10-21

Closure load plug

#12
20210238852
2021-08-05

Pre-compression system for pre-compressing a structure

#13
20210156161
2021-05-27

Sealing connector for post tensioned anchor system

#14
20200378121
2020-12-03

Apparatus for repairing a tension member

#15
20200217439
2020-07-09

Bayonet duct coupler assembly for post-tensioned concrete member

#16
20200032516
2020-01-30

Sheathing puller

#17
20190309508
2019-10-10

Method for erecting framework of structures

#18
20190292785
2019-09-26

METHOD FOR CONNECTING PRECAST SEGMENTS TENDON DUCTS AND RESULTING STRUCTURE

#19
20190242132
2019-08-08

Concrete anchor and cover for same

#20
20190242114
2019-08-08

Connector for use in forming joint

#21
20190063066
2019-02-28

Sheathing lock end cap

#22
20190010695
2019-01-10

Methods and apparatuses for constructing a concrete structure

#23
20180363290
2018-12-20

Methods and apparatuses for connecting concrete structural elements

#24
20180106040
2018-04-19

Sheathing puller

#25
20180023298
2018-01-25

Concrete tendon gripping and sealing apparatus and method

#26
20170350126
2017-12-07

Segmental duct coupler devices, systems, and methods

#27
20170335568
2017-11-23

Reinforcement system and a method of reinforcing a structure with a tendon

#28
20170306583
2017-10-26

Method of constructing a wind tower foundation

#29
20170275901
2017-09-28

Construction process of structures with empty segments and construction system of structures with empty segments

#30
20170227154
2017-08-10

Bayonet duct coupler assembly for post-tensioned concrete member

#31
20170175382
2017-06-22

Connector for use in forming joint

#32
20170159294
2017-06-08

Pillar for supporting a modular structure, beam intended to be supported on pillars of this type, and structure comprising said pillars and beams

#33
20170037626
2017-02-09

Sheathing lock end cap

#34
20170009916
2017-01-12

Duct coupler for post-tensioned concrete member

#35
20160312469
2016-10-27

Construction and a method of making a construction

#36
20160076250
2016-03-17

Pregrouted PC steel material and curing method for pregrouted layer therein

#37
20160010334
2016-01-14

Apparatus and method for connecting a segmental coupler to a steel plate or anchor casting

#38
20150176278
2015-06-25

Post-tension concrete leave out splicing system and method

#39
20150176277
2015-06-25

Post-tension concrete leave out splicing system and method

#40
20150176276
2015-06-25

POST-TENSION CONCRETE LEAVE OUT SPLICING SYSTEM AND METHOD

#41
20150159377
2015-06-11

Pregrouted PC steel material and method for hardening pregrout layer thereof

#42
20150047277
2015-02-19

Method and system for fabricating a non load bearing partition wall

#43
20150021821
2015-01-22

Systems and methods of concrete apparatus with incorporated lifter

#44
20150017357
2015-01-15

Systems and Methods of Concrete Apparatus with Incorporated Lifter

#45
20140367961
2014-12-18

Duct coupler devices, systems, and related methods

#46
20130180095
2013-07-18

Method and reel device for threading tendons into ducts

#47
20120201996
2012-08-09

Corrosion inhibiting systems

#48
20110101679
2011-05-05

METHODS, SYSTEMS AND APPARATUSES FOR SEGMENTAL DUCT COUPLERS

#49
20110099938
2011-05-05

Interconnecting alignment and support system with latching mechanism

#50
20100258980
2010-10-14

Systems and methods of concrete apparatus with incorporated lifter

#51
20100154147
2010-06-24

Fire protection device for a cable or the like of a civil engineering or a structural work

#52
20100088985
2010-04-15

Connection Of Prestressing Sheath Sections Of A Structure Having A Series Of Precast Elements

#53
20090077913
2009-03-26

Sheathing retaining cap

#54
20080250576
2008-10-16

Tension member for structures and method for manufacturing the same

#55
20070252389
2007-11-01

Duct Coupling Assembly

#56
20060254196
2006-11-16

Tower made of prestressed concrete prefabricated assembly units

#57
20060254168
2006-11-16

Tower made of prestressed concrete prefabricated assembly units

#58
20060096197
2006-05-11

Interconnecting alignment and support system with latching mechanism

#59
20050108981
2005-05-26

Work method for filling grout into inner cable of post tension system pc structure

#60
15297093
2017-09-19

Precast reinforced concrete construction elements with pre-stressing connectors