ClassID:

120673

C23F13/22 - CPC Classification

Classification description:

Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions; Constructional parts, or assemblies of cathodic-protection apparatus; Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto Monitoring arrangements therefor

Recent Application in this class:
#1
20260092861
2026-04-02

HIGH PRESSURE AND HIGH TEMPERATURE ANODE AND REFERENCE ELECTRODES ASSEMBLIES

#2
20260079097
2026-03-19

A MEASURING UNIT

#3
20250389030
2025-12-25

INTELLIGENT CORROSION PROTECTION AND MONITORING SENSOR SYSTEM AND METHOD THEREOF

#4
20250377286
2025-12-11

METHOD AND SYSTEM FOR CORROSION PROTECTION

#5
20250333850
2025-10-30

SMART CARBON FIBER REINFORCED POLYMER-SHAPE MEMORY ALLOY BAR REINFORCED CONCRETE STRUCTURE INTEGRATING CATHODIC PROTECTION, FORCE SENSING, AND BEARING CAPACITY SELF-ADJUSTMENT

#6
20250277314
2025-09-04

SYSTEM AND METHODS FOR GROUND BED END OF LIFE PREDICTION

#7
20250270708
2025-08-28

PROTECTION SYSTEM FOR PIPELINES

#8
20250263843
2025-08-21

ELECTRODE AND CIRCUITRY DESIGN FOR CORROSION PROTECTION IN LIQUID COOLING SYSTEM

#9
20250243588
2025-07-31

METHOD OF PREDICTING EXTERNAL CORROSION RISK ON BURIED GAS FLOWLINES

#10
20250243587
2025-07-31

METHODS AND SYSTEMS FOR DETECTING CATHODIC PROTECTION INTERFERENCE

#11
20250109505
2025-04-03

TEST STATION ASSEMBLIES FOR MONITORING CATHODIC PROTECTION OF STRUCTURES AND RELATED METHODS

#12
20250043432
2025-02-06

MONITORING DEVICE FOR A CATHODIC PROTECTION SYSTEM AND CATHODIC PROTECTION SYSTEM

#13
20240418629
2024-12-19

COATED STRUCTURE WITH A MONITORING SYSTEM, A MONITORING SYSTEM, AND A METHOD FOR MONITORING A CONDITION OF A COATED STRUCTURE

#14
20240327993
2024-10-03

ELECTRODE WATERING ASSEMBLIES AND METHODS FOR MAINTAINING CATHODIC MONITORING OF STRUCTURES

#15
20240327992
2024-10-03

ASSEMBLIES AND METHODS FOR MONITORING CATHODIC PROTECTION OF STRUCTURES

#16
20240288129
2024-08-29

METHODS AND INTERNET OF THINGS (IOT) SYSTEMS FOR INTELLIGENT DETECTION OF CATHOSIC PROTECTION IN SMART GAS PIPELINES

#17
20240279817
2024-08-22

METHODS FOR CONTROLLING AND MONITORING THE DEGREE OF CATHODIC PROTECTION FOR METAL STRUCTURES AND BURIED PIPELINES USING COUPLED MULTIELECTRODE SENSORS

#18
20240200201
2024-06-20

SYSTEM AND METHOD FOR CATHODIC PROTECTION MONITORING

#19
20240141506
2024-05-02

TEST STATION ASSEMBLIES FOR MONITORING CATHODIC PROTECTION OF STRUCTURES AND RELATED METHODS

#20
20240060189
2024-02-22

Test station assemblies for monitoring cathodic protection of structures and related methods

#21
20240003016
2024-01-04

Assemblies and methods for monitoring cathodic protection of structures

#22
20230407488
2023-12-21

ELECTRODE WATERING ASSEMBLIES AND METHODS FOR MAINTAINING CATHODIC MONITORING OF STRUCTURES

#23
20230383418
2023-11-30

Electrode watering assemblies and methods for maintaining cathodic monitoring of structures

#24
20230383417
2023-11-30

Test station assemblies for monitoring cathodic protection of structures and related methods

#25
20230383416
2023-11-30

Test station assemblies for monitoring cathodic protection of structures and related methods

#26
20230366677
2023-11-16

Magnetically coupled integrated ultrasonic testing and cathodic protection measurement probe

#27
20230366103
2023-11-16

METHODS FOR CONTROLLING AND MONITORING THE DEGREE OF CATHODIC PROTECTION FOR METAL STRUCTURES AND BURIED PIPELINES USING COUPLED MULTIELECTRODE SENSORS

#28
20230295810
2023-09-21

CATHODIC PROTECTION POLYPROPYLENE GRAPHITE REFERENCE ELECTRODE

#29
20230193480
2023-06-22

Cathodic protection system and method

#30
20230096293
2023-03-30

IMPRESSED CURRENT CATHODIC PROTECTION SYSTEM AND A METHOD OF OPERATING THE SYSTEM

#31
20230061824
2023-03-02

Assemblies and methods for monitoring cathodic protection of structures

#32
20220364243
2022-11-17

CATHODIC PROTECTION WAVEFORM MONITORING UNIT WITH ASYNCHRONOUS MONITORING

#33
20220326141
2022-10-13

Coated structure with a monitoring system, a monitoring system, and a method for monitoring a condition of a coated structure

#34
20220213603
2022-07-07

Reference electrode systems and methods for determining cathodic protection

#35
20220145475
2022-05-12

Corrosion Prevention Device

#36
20220049363
2022-02-17

Methods for controling and monitoring the degree of cathodic rotection for metal structutres and burried pipelines using coupled mutielectrode sensors

#37
20210388510
2021-12-16

SHORT MESSAGE SERVICE TRANSCEIVER MODULE

#38
20210388509
2021-12-16

Method for preventing corrosion of spent nuclear fuel canister by using electrolytic corrosion protection

#39
20210340679
2021-11-04

SYSTEMS AND METHODS FOR MONITORING INTEGRATED PASSIVE ANODES

#40
20210276890
2021-09-09

Systems and devices for corrosion prevention and methods thereto

#41
20210269926
2021-09-02

Systems and methods for monitoring cathodic protection degradation

#42
20210246561
2021-08-12

Probe for measuring a cathodic protection condition of a buried steel structure, and backfill composition for same

#43
20210239465
2021-08-05

Magnetically coupled integrated ultrasonic testing and cathodic protection measurement probe

#44
20210198789
2021-07-01

SYSTEMS, APPARATUSES, AND METHODS TO ASSESS CORROSION PREVENTION

#45
20210095380
2021-04-01

Automated cathodic protection measurement and communication system and method

#46
20210094660
2021-04-01

Devices, methods, and systems for underwater surveying

#47
20210063052
2021-03-04

Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters

#48
20200392736
2020-12-17

ROOFTOP GARDEN

#49
20200283914
2020-09-10

Double coupon reference cell and methods of making same

#50
20200248319
2020-08-06

Integrated Impressed Current Cathodic Protection for Wet Crude Handling Vessels

#51
20200232103
2020-07-23

Cathodic protection for offshore wind turbine steel support structures

#52
20200041458
2020-02-06

Underwater vehicles with integrated surface cleaning and inspection

#53
20200024753
2020-01-23

System and method for reinforcing and protecting reinforced concrete structure employing carbon fiber textile grid as both reinforcement member and anode

#54
20200017977
2020-01-16

Real-time cathodic protection integrity monitoring sensor, system and method

#55
20190368054
2019-12-05

Apparatus for measuring a cathodic protection condition of a buried steel structure, and method

#56
20190360108
2019-11-28

SACRIFICIAL ANODE

#57
20190345616
2019-11-14

METHOD OF AND SYSTEM FOR MONITORING A CORROSION OF A DEVICE IN REAL-TIME

#58
20190203977
2019-07-04

Method and system for monitoring powered anode drive level

#59
20190203363
2019-07-04

Method and system for controlling powered anode drive level

#60
20190145011
2019-05-16

Visual electrolytic corrosion indication and prevention apparatus

#61
20190136389
2019-05-09

Carbon fiber textile reinforcing member with anodic metal line and method of repairing and reinforcing concrete structure using the same

#62
20190127861
2019-05-02

Cathodic protection waveform monitoring unit with asynchronous monitoring

#63
20190085468
2019-03-21

Systems and methods for providing monitored and controlled cathodic protection potential

#64
20190011403
2019-01-10

Underwater vehicles with integrated surface cleaning and inspection

#65
20190010616
2019-01-10

Visual electrolytic corrosion indication and prevention apparatus

#66
20190003614
2019-01-03

Device for fixing pipes and tubes

#67
20180372615
2018-12-27

Integrated ultrasonic testing and cathodic protection measurement probe

#68
20180363149
2018-12-20

Systems, apparatuses, and methods to assess corrosion prevention

#69
20180290717
2018-10-11

Underwater vehicle for inspection of a subsea structure in a body of water and related method

#70
20180230605
2018-08-16

Cathodic protection system monitoring

#71
20180119290
2018-05-03

Electronic corrosion protection device

#72
20180073867
2018-03-15

Magnetically coupled integrated ultrasonic testing and cathodic protection measurement probe

#73
20180051910
2018-02-22

Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters

#74
20170350230
2017-12-07

Apparatus and Method for Detection of Corrosion

#75
20170328828
2017-11-16

ELECTRIC ANTICORROSIVE POTENTIAL MEASUREMENT ELECTRODE UNIT

#76
20170191171
2017-07-06

Fiber optics to monitor pipeline cathodic protection systems

#77
20170088956
2017-03-30

Double coupon reference cell and methods of making same

#78
20170057605
2017-03-02

Photovolatic powered cathodic protection probe

#79
20160369935
2016-12-22

Fluid-conducting system with cathodic corrosion protection

#80
20160348255
2016-12-01

Automated tank cathodic protection/corrosion monitoring system

#81
20160326657
2016-11-10

CORROSION PROTECTION SYSTEM AND PUMP DEVICE WITH THE SAME

#82
20160289846
2016-10-06

Method and apparatus for corrosion inhibition

#83
20160268078
2016-09-15

Portable cathodic protection current interrupter

#84
20160237575
2016-08-18

System, apparatus, and method of providing cathodic protection to buried and/or submerged metallic structures

#85
20150368809
2015-12-24

Cathodic protection management system

#86
20150159280
2015-06-11

Cathodic protection automated current and potential measuring device for anodes protecting vessel internals

#87
20150068919
2015-03-12

CATHODIC PROTECTION SYSTEM

#88
20150021169
2015-01-22

Double coupon reference cell and methods of making same

#89
20140376899
2014-12-25

Cathodic corrosion and dry fire protection apparatus and methods for electric water heaters

#90
20140262822
2014-09-18

Sacrificial anode control

#91
20140251680
2014-09-11

Cathodic protection system for multiple structures using shunt modules

#92
20140151241
2014-06-05

Pipeline communications

#93
20140069804
2014-03-13

Anode device and maintenance method

#94
20140069803
2014-03-13

Anode device and maintenance method

#95
20130292265
2013-11-07

IMPRESSED CURRENT CATHODIC PROTECTION

#96
20130292263
2013-11-07

Multiple Structure Cathodic Protection System

#97
20130118915
2013-05-16

Sacrificial anode

#98
20120205256
2012-08-16

Cathodic protection assessment probe

#99
20120199495
2012-08-09

System and method for detecting and preventing galvanic corrosion

#100
20120189425
2012-07-26

SYSTEM AND METHOD FOR REDUCING CORROSION IN A COMPRESSOR

#101
20120152733
2012-06-21

Apparatus for use with metallic structures

#102
20110240485
2011-10-06

Sacrificial anode system

#103
20110238347
2011-09-29

APPARATUS AND SYSTEM FOR AUTOMATED PIPELINE TESTING

#104
20110129302
2011-06-02

Cathodic protection monitoring

#105
20110089048
2011-04-21

Auxiliary device, a marine surface vessel and a method for a sacrificial anode in a marine construction

#106
20100156637
2010-06-24

Method for detecting an intruder's path

#107
20100146374
2010-06-10

Wireless communications method

#108
20100141276
2010-06-10

Method for detecting unauthorized access

#109
20100139372
2010-06-10

Method for detecting leakage from a pipe

#110
20100027380
2010-02-04

Sensor unit having a directional aperture

#111
20100027235
2010-02-04

Distributed system with shielded sensors

#112
20090229973
2009-09-17

Monitoring methods, systems and apparatus for validating the operation of a current interrupter used in cathodic protection

#113
20080042860
2008-02-21

Anti-corrosion cathodic protection device with sacrificial anode

#114
20070035315
2007-02-15

Methods and systems for automated pipeline testing

#115
20070029191
2007-02-08

Sacrificial anode holder and related anodes

#116
20070023295
2007-02-01

Apparatus, system and method for extending the life of sacrificial anodes on cathodic protection systems

#117
20060213765
2006-09-28

Impressed current cathodic protection system for marine engine

#118
20060108460
2006-05-25

Bale processor with grain mixing attachment

#119
20060108235
2006-05-25

Cathodic protection system using impressed current and galvanic action

#120
20060065551
2006-03-30

Corrosion tester

#121
20060065550
2006-03-30

Marine anode with current tester

#122
20060054072
2006-03-16

Marine vessel corrosion control system

#123
18593754
2025-02-25

Methods and systems for coupon-based cathodic protection measurements

#124
17873329
2025-11-11

Anode mounting head apparatus for heater treaters, tanks, vessels and other devices

#125
16034826
2020-05-26

Damage sensing of a bonded composite repair

#126
14810504
2018-01-02

Methods and apparatus for monitoring a sacrificial anode