ClassID:

128429

E02D5/526 - CPC Classification

Classification description:

Bulkheads, piles, or other structural elements specially adapted to foundation engineering; Piles; Piles composed of separable parts, e.g. telescopic tubes Piles composed of segments composed of segments Connection means between pile segments

Recent Application in this class:
#1
20260103863
2026-04-16

FOUNDATION SUPPORT SYSTEM SHAFT COUPLER FABRICATION AND ASSEMBLY

#2
20260078556
2026-03-19

Lead Extension With Improved Assembly And Method Of Use

#3
20260009198
2026-01-08

Octagonal Ultra-High Performance Concrete Prestressed Pile System for Deep Foundation Applications

#4
20250341072
2025-11-06

SNAP LOCK, ANTI-REVERSE ROTATION COUPLER ASSEMBLY FOR FOUNDATION SUPPORT SYSTEM

#5
20250314032
2025-10-09

TAPERED, LOCKING, ANTI-REVERSE COUPLER ASSEMBLY FOR FOUNDATION SUPPORT SYSTEM

#6
20250283288
2025-09-11

MODULAR HELICAL PIER FOUNDATION SUPPORT SYSTEMS, ASSEMBLIES AND METHODS WITH SNAP-LOCK COUPLINGS

#7
20250207345
2025-06-26

FOUNDATION SUPPORT SYSTEMS, ASSEMBLIES AND METHODS INCLUDING SLEEVE COUPLER AND SELF-ALIGNING SHAFTS WITH TORQUE TRANSMITTING PROFILED DISTAL END EDGES

#8
20250207344
2025-06-26

BUILDING FOUNDATION SUPPORT SYSTEM WITH RIB AND GROOVE INTERLOCK DRIVE TOOL COUPLER COMPONENT AND PILES

#9
20250207343
2025-06-26

FOUNDATION SUPPORT SYSTEM AND METHOD OF INSTALLATION WITH SELF-ALIGNING TORQUE TRANSMITTING COUPLERS

#10
20250171975
2025-05-29

FOUNDATION SUPPORT SYSTEM SHAFT COUPLER FABRICATION AND ASSEMBLY

#11
20250003168
2025-01-02

Joints for Pre-Cast Driven Piles

#12
20240318398
2024-09-26

HELICAL PIER SYSTEM

#13
20240218627
2024-07-04

HELICAL PILE WITH HEAT EXCHANGER

#14
20240150987
2024-05-09

SYSTEM FOR COUPLING OF PILES

#15
20240035245
2024-02-01

SNAP LOCK, ANTI-REVERSE ROTATION COUPLER ASSEMBLY FOR FOUNDATION SUPPORT SYSTEM

#16
20240026627
2024-01-25

TAPERED, LOCKING, ANTI-REVERSE COUPLER ASSEMBLY FOR FOUNDATION SUPPORT SYSTEM

#17
20240018734
2024-01-18

FOUNDATION SUPPORT SYSTEMS, ASSEMBLIES AND METHODS INCLUDING SLEEVE COUPLER AND SHAFTS WITH TORQUE TRANSMITTING PROFILED DISTAL END EDGES

#18
20230332366
2023-10-19

SELF-LOCKING JOINT FOR REINFORCED CONCRETE PILE SECTIONS

#19
20230261455
2023-08-17

OFFSHORE WIND ENERGY SYSTEM

#20
20230250605
2023-08-10

POST-TENSIONED HELICAL ANCHORS SIMULTANEOUSLY SPIN-DRILLED AND GROUTED AND METHOD THEREFOR

#21
20230243117
2023-08-03

Joint

#22
20230235523
2023-07-27

Foundation support system shaft coupler fabrication and assembly

#23
20230175226
2023-06-08

Modular foundation support systems and methods including shafts with interlocking torque transmitting couplings

#24
20230075624
2023-03-09

SYSTEM AND METHOD FOR THE CONSTRUCTION OF PREFABRICATED STEEL FOUNDATIONS TO BE PLACED BY DRIVING

#25
20230063844
2023-03-02

PILE CONNECTION WITH OPEN COLLAR SECTION

#26
20220307218
2022-09-29

AGGREGATE PIERS REINFORCEMENT AGAINST AXIAL LOADS

#27
20220136200
2022-05-05

Pile joint, pile coupling structure, and pile coupling method

#28
20220106758
2022-04-07

Coupler for helical pile and tieback support systems

#29
20220106757
2022-04-07

Method for forming a connection between two pipe segments of different widths and a correspondingly produced connection

#30
20220098814
2022-03-31

FRP composite material pile prepared by FRP composite material and preparation and pile forming methods

#31
20220081861
2022-03-17

Pile with positive stop

#32
20220042268
2022-02-10

IMPROVEMENTS IN AND RELATING TO PILE FOUNDATIONS

#33
20220034058
2022-02-03

Multiple friction joint pile system

#34
20220010516
2022-01-13

Pile connection for horizontally fixing an elongated beam for a foundation support system

#35
20210388570
2021-12-16

Pile joint

#36
20210262187
2021-08-26

Cantilevered resilient strut connector

#37
20210254298
2021-08-19

MODULAR HELICAL PIER FOUNDATION SUPPORT SYSTEMS, ASSEMBLIES AND METHODS WITH SNAP-LOCK COUPLINGS

#38
20210172143
2021-06-10

Portable mechanically assembled ground fixation stake device

#39
20210131056
2021-05-06

Pumping unit bases with driven piles

#40
20210079617
2021-03-18

End plate system for joining spun piles

#41
20210071381
2021-03-11

Modular foundation support systems and methods including shafts with interlocking torque transmitting couplings

#42
20210054588
2021-02-25

System and apparatus for driving piles

#43
20210018093
2021-01-21

Sealing arrangement for a connection between two connecting elements of an offshore structure and method for producing same

#44
20210002843
2021-01-07

Helical pile with heat exchanger

#45
20200385947
2020-12-10

Pile coupling for helical pile/torqued in pile

#46
20200340200
2020-10-29

Structural arrangement introduced into a sleeve connector having various cross sections for tubular metal posts

#47
20190368149
2019-12-05

Pile coupling for helical pile/torqued in pile

#48
20190324007
2019-10-24

Pile testing device

#49
20190249387
2019-08-15

Steel pipe coupling device for steel pipes

#50
20190145075
2019-05-16

Collar and anchor kits

#51
20190127940
2019-05-02

Modular foundation support systems and methods including shafts with interlocking, self-aligning and torque transmitting couplings

#52
20180347137
2018-12-06

Adjustable foundation support system

#53
20180291583
2018-10-11

Interconnectable hollow steel pipe for constructing force driven piles and the method of forming the pile

#54
20180171635
2018-06-21

Device for splicing reinforcement cages

#55
20180155891
2018-06-07

Interlocking, self-aligning and torque transmitting coupler assembly, systems and methods for connecting, installing, and supporting foundation elements

#56
20180127943
2018-05-10

Pumping unit bases with driven piles

#57
20180119380
2018-05-03

JOINT MECHANISM AND CONNECTION METHOD FOR STEEL PIPE

#58
20180002884
2018-01-04

Collar and anchor kits

#59
20170314225
2017-11-02

Foundation pier system and method

#60
20170241095
2017-08-24

Passive grout seal

#61
20170183839
2017-06-29

Pile, pile head and connector therefor

#62
20170183837
2017-06-29

JOINT MECHANISM AND CONNECTION METHOD FOR STEEL PIPE

#63
20170167102
2017-06-15

Systems and methods for installing pile structures in permafrost

#64
20170159256
2017-06-08

Helical pile coupler, assembly, and method

#65
20170037590
2017-02-09

Interlocking, self-aligning and torque transmitting coupler assembly, systems and methods for connecting, installing, and supporting foundation elements

#66
20160356013
2016-12-08

Foundation pier system and method

#67
20160333540
2016-11-17

Interlocking, self-aligning and torque transmitting coupler assembly

#68
20160230364
2016-08-11

PILE COUPLING FOR HELICAL PILE/TORQUED IN PILE

#69
20160215470
2016-07-28

Pile, pile head and connector therefor

#70
20160186403
2016-06-30

HELICAL PILE ASSEMBLY

#71
20160186402
2016-06-30

Helical pile assembly with top plate

#72
20160160466
2016-06-09

Pile comprising a substantially cylindrical shaft

#73
20160108596
2016-04-21

PRE-ASSEMBLED TIMBER PILING

#74
20160069036
2016-03-10

Composite pile formed of interconnected rigid hollow tubes

#75
20160060838
2016-03-03

Seismic restraint helical pile systems and method and apparatus for forming same

#76
20160032550
2016-02-04

Passive grout seal

#77
20160010303
2016-01-14

Pile Axial Capacity Enhancer

#78
20160002874
2016-01-07

CONNECTION BETWEEN A FOUNDATION PILE OF A STRUCTURE AND AN IN PARTICULAR TUBULAR TRANSITION PIECE, AND METHOD FOR PRODUCING SAME

#79
20150368870
2015-12-24

Helical screw pile

#80
20150345097
2015-12-03

Apparatus and methods for the placement of pipe piling

#81
20150345096
2015-12-03

End plate for concrete piles

#82
20150345095
2015-12-03

Apparatus and methods for the placement of pipe piling

#83
20150345094
2015-12-03

Apparatus and methods for the placement of pipe piling

#84
20150308067
2015-10-29

Composite structure for a pile foundation for anchoring a tower structure, foundation and jacket for a wind turbine, and wind turbine

#85
20150267373
2015-09-24

Continuously Prestressed Concrete Pile Splice

#86
20150267372
2015-09-24

Continuously Prestressed Concrete Pile Splice

#87
20150204043
2015-07-23

Casting guide for reinforced concrete pile sections

#88
20150063923
2015-03-05

Quick coupling for pipe pile

#89
20150059926
2015-03-05

WOOD COLUMN REPAIR, REINFORCEMENT, AND EXTENSION

#90
20140270981
2014-09-18

System and method for splicing precast pre-stressed concrete piles

#91
20140212223
2014-07-31

System and apparatus for repairing a foundation

#92
20130272798
2013-10-17

Apparatus and methods for the placement of pipe piling

#93
20130251460
2013-09-26

Composite pile formed of interconnected rigid hollow tubes

#94
20120328374
2012-12-27

Seismic restraint helical pile systems and method and apparatus for forming same

#95
20120087741
2012-04-12

Composite pile formed of interconnected rigid hollow tubes

#96
20110002744
2011-01-06

Continuously prestressed concrete pile splice

#97
20090263189
2009-10-22

JOINT FOR REINFORCED CONCRETE PILE SECTIONS

#98
20090022545
2009-01-22

JOINT FOR REINFORCED CONCRETE PILE SECTIONS

#99
18819213
2025-09-23

Coupler for coupling driven steel pipe piles

#100
18401523
2024-12-10

Modular form

#101
18190262
2023-11-28

Grouted sleeve coupler splice (GSCS) for precast concrete piles

#102
18094705
2023-10-10

Pile connection devices and methods thereof

#103
17490702
2022-05-03

NSMB pile splice system for precast concrete piles

#104
16655131
2020-06-09

Corrugated shell bearing piles and installation methods

#105
16414693
2020-06-23

System method and device for structural repair

#106
15796477
2018-07-17

Coupler device for helical pile

#107
14754168
2017-01-24

Rotary drive tip system for installation of piles or other foundation members into the ground

#108
14276585
2016-11-01

Systems and methods for splicing pile segments