ClassID:

120670

C23F13/16 - 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 Electrodes characterised by the combination of the structure and the material

Recent Application in this class:
#1
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

#2
20250283224
2025-09-11

UNIVERSAL CATHODIC PROTECTION SYSTEM

#3
20250257474
2025-08-14

SELF-CLEANING ANODE FOR CATHODIC PROTECTION SYSTEMS, CATHODIC PROTECTION SYSTEMS INCLUDING THE SAME, AND METHODS OF USE

#4
20250171908
2025-05-29

Sealed Glass Ceramic Powered Anode Assemblage and Method For Impressed Current Cathodic Protection

#5
20240175142
2024-05-30

Helix Electrode For Impressed Current Cathodic Protection

#6
20240117499
2024-04-11

CORROSION RESISTANT BIMETAL

#7
20240093381
2024-03-21

METHOD AND APPARATUS FOR CATHODIC PROTECTION OF STEEL IN A CONCRETE STRUCTURE LOCATED IN AN IONICALLY CONDUCTIVE LIQUID

#8
20240052500
2024-02-15

Cathodic protection of metal substrates

#9
20230295810
2023-09-21

CATHODIC PROTECTION POLYPROPYLENE GRAPHITE REFERENCE ELECTRODE

#10
20230235463
2023-07-27

SYSTEM AND METHOD FOR CATHODIC PROTECTION BY DISTRIBUTED SACRIFICIAL ANODES

#11
20230060648
2023-03-02

Corrosion resistant bimetal

#12
20220136114
2022-05-05

Self-cleaning anode for cathodic protection systems, cathodic protection systems including the same, and methods of use

#13
20220026079
2022-01-27

WATER HEATER LIFE EXTENDER

#14
20210292916
2021-09-23

Cathodic Corrosion Protection with Current Limiter

#15
20210189570
2021-06-24

OLEOPHOBIC AND HYDROPHILIC CONDUCTIVE COATING FOR IMPRESSED CURRENT CATHODIC PROTECTION ANODE

#16
20200308712
2020-10-01

Cathodic corrosion protection with current limiter

#17
20200248319
2020-08-06

Integrated Impressed Current Cathodic Protection for Wet Crude Handling Vessels

#18
20200216966
2020-07-09

Cathodic protection of metal substrates

#19
20200123666
2020-04-23

NEST WITH PRIMARY ANODE

#20
20200109478
2020-04-09

System for impressed current cathodic protection

#21
20200109477
2020-04-09

Sacrificial anodes for use in meters

#22
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

#23
20200010960
2020-01-09

Zinc ribbon anodes and associated methods

#24
20190352872
2019-11-21

Load arrangement for powering a load

#25
20190226095
2019-07-25

Autonomous impressed current cathodic protection device on metal surfaces with a spiral magnesium anode

#26
20190211459
2019-07-11

Cathodic protection for wood veneer dryers and method for reducing corrosion of wood veneer dryers

#27
20190113160
2019-04-18

Flange tab system

#28
20190085468
2019-03-21

Systems and methods for providing monitored and controlled cathodic protection potential

#29
20190062927
2019-02-28

Manufacture of sacrificial anodes

#30
20190048477
2019-02-14

SYSTEM AND METHOD FOR CATHODIC PROTECTION BY DISTRIBUTED SACRIFICIAL ANODES

#31
20180244546
2018-08-30

ZINC ION WATER TREATMENT DEVICE AND MANUFACTURING METHOD THEREFOR

#32
20180066369
2018-03-08

High efficiency cast iron anode

#33
20180037999
2018-02-08

METHOD OF PRODUCING CATHODIC CORROSION PROTECTION FOR PROTECTION OF REINFORCING STEEL IN A FERROCONCRETE STRUCTURE

#34
20170342571
2017-11-30

Electrical contact element

#35
20170294241
2017-10-12

CORROSION REDUCTION IN A MOLTEN SALT REACTOR

#36
20170137948
2017-05-18

Galvanic anode system for the corrosion protection of steel in concrete

#37
20170130341
2017-05-11

Anode for preventing corrosion, and concrete structure corrosion prevention structure and corrosion prevention method employing same

#38
20170121827
2017-05-04

Cathode protection method and apparatus for reinforced concrete structure and composite structure and processing method for reinforced concrete structure

#39
20160362797
2016-12-15

Cathodic protection for wood veneer dryers and method for reducing corrosion of wood veneer dryers

#40
20160237575
2016-08-18

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

#41
20160230261
2016-08-11

Inexpensive automotive member and feed oil pipe, exhibiting excellent salt corrosion resistance

#42
20160167177
2016-06-16

High corrosion-resistant aluminum alloy brazing sheet, method of manufacturing such sheet, and corrosive-resistant heat exchanger using such sheet

#43
20160160360
2016-06-09

Preventing corrosion of an electrical connector

#44
20160153096
2016-06-02

Fastening sacrificial anodes to reinforcing bars in concrete for cathodic protection

#45
20160138173
2016-05-19

Marine cathodic protection system

#46
20160102209
2016-04-14

Process of protecting metal substrates with corrosion-resistant compositions

#47
20150329974
2015-11-19

System, apparatus, and method for utilization of bracelet galvanic anodes to protect subterranean well casing sections shielded by cement at a cellar area

#48
20150259807
2015-09-17

Detachable retrievable outboard system and apparatus for sacrificial anodes

#49
20150159282
2015-06-11

Galvanic anode and method of corrosion protection

#50
20140339075
2014-11-20

Electrochemical Methods and Products

#51
20140262825
2014-09-18

Encapsulated impressed current anode for vessel internal cathodic protection

#52
20140251793
2014-09-11

CATHODIC PROTECTION CURRENT DISTRIBUTION METHOD AND APPARATUS FOR CORROSION CONTROL OF REINFORCING STEEL IN CONCRETE STRUCTURES

#53
20140224670
2014-08-14

Anode, corrosion-protecting structure for concrete constructions using this, and corrosion protection method

#54
20140202879
2014-07-24

ANODE ASSEMBLY FOR CATHODIC PROTECTION

#55
20130299339
2013-11-14

SURFACE IMPLANTATION FOR CORROSION PROTECTION OF ALUMINUM COMPONENTS

#56
20130192982
2013-08-01

SURFACE IMPLANTATION FOR CORROSION PROTECTION OF ALUMINUM COMPONENTS

#57
20130126212
2013-05-23

CONDUCTIVE MEMBERS USING CARBON-BASED SUBSTRATE COATINGS

#58
20130118916
2013-05-16

Treatment process for concrete

#59
20130118915
2013-05-16

Sacrificial anode

#60
20130081955
2013-04-04

System, apparatus, and method for utilization of bracelet galvanic anodes to protect subterranean well casing sections shielded by cement at a cellar area

#61
20120305386
2012-12-06

Cathodic protection system for marine applications

#62
20120064233
2012-03-15

Apparatus And Method For Manufacturing MMO Anode Using Continuous Coating And Heat Treatment Process

#63
20120031750
2012-02-09

Multipurpose segmented sacrificial anode

#64
20120000769
2012-01-05

Electrode structure for protection of structural bodies

#65
20110284367
2011-11-24

System for protecting turbine engine surfaces from corrosion

#66
20110214984
2011-09-08

Cathodic protection

#67
20110183156
2011-07-28

SACRIFICIAL ANODIC COATINGS FOR MAGNESIUM ALLOYS

#68
20110168571
2011-07-14

Treatment process for concrete

#69
20110100802
2011-05-05

Polymeric, non-corrosive cathodic protection anode

#70
20100080690
2010-04-01

HYDRAULIC PUMP

#71
20090229993
2009-09-17

Treatment process for concrete

#72
20090127132
2009-05-21

Corrosion control method and apparatus for reinforcing steel in concrete structures

#73
20080190403
2008-08-14

Device for exchanging heat for gases containing acids

#74
20080000778
2008-01-03

Cathodic protection

#75
20070295612
2007-12-27

Cathodic protection

#76
20050241934
2005-11-03

Self-repairing structure and coating for corrosive medium

#77
20050236279
2005-10-27

Method for the cathodic prevention of reinforcement corrosion on damp and wet marine structures

#78
20050166540
2005-08-04

Electrode structure for protection of structural bodies

#79
20050077191
2005-04-14

Cathodic protection of steel within a covering material

#80
17024504
2024-04-09

Anode mounting head for heater treaters and other devices

#81
16137698
2019-11-05

Cathodic debonding prevention method and apparatus

#82
15449311
2019-04-16

Electrically-conductive compositions and methods of using them with pipelines