ClassID:

120665

C23F13/06 - 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

Sub-classes:
Recent Application in this class:
#1
20250341000
2025-11-06

FPSO EXTERNAL ANTI-CORROSION DEVICE

#2
20250236376
2025-07-24

A THRUST GENERATING ASSEMBLY

#3
20240379310
2024-11-14

SOLID-STATE SURGE-RESISTANT INTERRUPTION RELAY FOR A PIPELINE CATHODIC PROTECTION SYSTEM

#4
20240352591
2024-10-24

ZINC ALLOY COATING LAYER OF PRESS-HARDENABLE STEEL

#5
20240327993
2024-10-03

ELECTRODE WATERING ASSEMBLIES AND METHODS FOR MAINTAINING CATHODIC MONITORING OF STRUCTURES

#6
20240209515
2024-06-27

CATHODIC CORROSION PROTECTION

#7
20240191363
2024-06-13

Cathodic Protection Unit

#8
20240093461
2024-03-21

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

#9
20230383418
2023-11-30

Electrode watering assemblies and methods for maintaining cathodic monitoring of structures

#10
20230227982
2023-07-20

Cable-to-pipe connector

#11
20230070863
2023-03-09

Method of selectively interrupting a passive cathodic protection unit from a metallic structure

#12
20230066303
2023-03-02

Zinc alloy coating layer of press-hardenable steel

#13
20220363354
2022-11-17

Cathodic protection and anti-fouling arrangement and method

#14
20220341305
2022-10-27

SYSTEMS AND METHODS FOR CATHODIC PROTECTION OF HYDRAULIC FRACTURING PUMP SYSTEMS

#15
20210348281
2021-11-11

Cathodic protection monitoring system

#16
20210040623
2021-02-11

SAFETY SYSTEM AND METHOD FOR DE-COUPLING OF A CATHODICALLY PROTECTED STRUCTURE

#17
20200325585
2020-10-15

Electric current supply system, designed to be at least partially submerged in an electrically conductive liquid during operation thereof

#18
20200283914
2020-09-10

Double coupon reference cell and methods of making same

#19
20200156748
2020-05-21

Propeller

#20
20200141530
2020-05-07

Eliminating fouling in hydrocarbon pipelines by electrical techniques

#21
20200095691
2020-03-26

Cathodic Corrosion Protection

#22
20200048778
2020-02-13

Anode assembly with reduced attenuation properties for cathodic protection systems

#23
20200017653
2020-01-16

Electrically-conductive compositions and methods of using them with pipelines

#24
20190353550
2019-11-21

Polymeric nanocomposite based sensor and coating systems and their applications

#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
20190169757
2019-06-06

Cerium citrate, method of making and corrosion inhibitor comprising cerium citrate

#28
20190113160
2019-04-18

Flange tab system

#29
20190093237
2019-03-28

Manufacture of sacrificial anodes

#30
20190017179
2019-01-17

Galvanic anode and method of corrosion protection

#31
20190010615
2019-01-10

Cathodic corrosion protection system with rebar mounting assembly

#32
20180320272
2018-11-08

Corrosion inhibiting additive

#33
20180222778
2018-08-09

Method and system for applying superimposed time-varying frequency electromagnetic wave to water to effect various treatment functions

#34
20180222777
2018-08-09

Method and system for applying superimposed time-varying frequency electromagnetic wave to target object or target region

#35
20180221821
2018-08-09

Method and system for applying superimposed time-varying frequency electromagnetic wave for removal of SO, COand NOfrom flue gases

#36
20180216246
2018-08-02

Method and system for applying superimposed time-varying frequency electromagnetic wave for corrosion protection of submerged and/or buried structures

#37
20180201526
2018-07-19

Method and system for applying superimposed time-varying frequency electromagnetic wave for marine ballast water bio-fouling control

#38
20180128514
2018-05-10

System and method of controlling a water heater having a powered anode

#39
20180119290
2018-05-03

Electronic corrosion protection device

#40
20180037999
2018-02-08

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

#41
20170350019
2017-12-07

Cerium citrate, method of making and corrosion inhibitor comprising cerium citrate

#42
20170342572
2017-11-30

Anode assembly with reduced attenuation properties for cathodic protection systems

#43
20170240259
2017-08-24

Improvements to a propeller

#44
20170137948
2017-05-18

Galvanic anode system for the corrosion protection of steel in concrete

#45
20170130341
2017-05-11

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

#46
20170121828
2017-05-04

Cathodic corrosion protection

#47
20170121827
2017-05-04

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

#48
20170101716
2017-04-13

Corrosion control coating

#49
20170088956
2017-03-30

Double coupon reference cell and methods of making same

#50
20170082234
2017-03-23

ELIMINATING FOULING IN HYDROCARBON PIPELINES BY ELECTRICAL TECHNIQUES

#51
20170044675
2017-02-16

Methods of manufacturing dissolvable tools via liquid-solid state molding

#52
20160362797
2016-12-15

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

#53
20160298330
2016-10-13

Preventing corrosion in a greenhouse

#54
20160257390
2016-09-08

Pump device and ship propulsion machine

#55
20160201202
2016-07-14

Method for operating a bearing arrangement

#56
20160138173
2016-05-19

Marine cathodic protection system

#57
20160108509
2016-04-21

Turbine blade coating composition

#58
20160102209
2016-04-14

Process of protecting metal substrates with corrosion-resistant compositions

#59
20150368810
2015-12-24

Anode assembly with reduced attenuation properties for cathodic protection systems

#60
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

#61
20150299868
2015-10-22

Corrosion protection using a sacrificial anode

#62
20150259807
2015-09-17

Detachable retrievable outboard system and apparatus for sacrificial anodes

#63
20150218712
2015-08-06

System and method for providing corrosion protection of metallic structure using time varying electromagnetic wave

#64
20150167178
2015-06-18

Galvanic anode and method of corrosion protection

#65
20150159282
2015-06-11

Galvanic anode and method of corrosion protection

#66
20150090607
2015-04-02

Methods of preventing corrosion of surfaces by application of energy storage-conversion devices

#67
20150060298
2015-03-05

METHOD FOR THE GALVANIC PROTECTION OF A REINFORCED CONCRETE STRUCTURE

#68
20150021201
2015-01-22

Adhesive hydrogel and method for electrolytic protection of concrete structure

#69
20150021200
2015-01-22

Protecting a metal surface from corrosion

#70
20140339946
2014-11-20

Reduction of electrolytic corrosion in a brushless direct-current motor

#71
20140321838
2014-10-30

System and method for adjusting anode rod galvanic corrosion

#72
20140305806
2014-10-16

Cathode Protection Method and Apparatus for Reinforced Concrete Structure and Composite Structure and Processing Method for Reinforced Concrete Structure

#73
20140262825
2014-09-18

Encapsulated impressed current anode for vessel internal cathodic protection

#74
20140262756
2014-09-18

Anode assembly with sand backfill for cathodic protection systems and method of installing the same for above ground storage tank applications

#75
20140251792
2014-09-11

Method and apparatus for controlling steel corrosion under thermal insulation (CUI)

#76
20140224670
2014-08-14

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

#77
20140084221
2014-03-27

Coated aluminum alloy pigments and corrosion-resistant coatings

#78
20140049399
2014-02-20

Power supply and voltage multiplication for submerged subsea systems based on cathodic protection system

#79
20140044387
2014-02-13

Bearing comprising a corrosion-resistant bearing part

#80
20140027306
2014-01-30

Cathodic protection of a concrete structure

#81
20140021063
2014-01-23

Two stage cathodic protection system using impressed current and galvanic action

#82
20140021062
2014-01-23

Charging a sacrificial anode with ions of the sacrificial material

#83
20140016995
2014-01-16

Union between dissimilar materials

#84
20140008242
2014-01-09

Electrochemical apparatus

#85
20130292263
2013-11-07

Multiple Structure Cathodic Protection System

#86
20130118916
2013-05-16

Treatment process for concrete

#87
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

#88
20130020191
2013-01-24

CORROSION PROTECTION OF STEEL IN CONCRETE

#89
20130015058
2013-01-17

Galvanic panel with compliant construction

#90
20120308185
2012-12-06

Underwater optical fibre cable

#91
20120261270
2012-10-18

Sacrificial anode and treatment of concrete

#92
20120199495
2012-08-09

System and method for detecting and preventing galvanic corrosion

#93
20120189425
2012-07-26

SYSTEM AND METHOD FOR REDUCING CORROSION IN A COMPRESSOR

#94
20120111736
2012-05-10

Sacrificial anode assembly

#95
20120018312
2012-01-26

Corrosion Protection Method And Corrosion Protection Structure

#96
20120009340
2012-01-12

METHOD FOR PRODUCING DEFORMABLE CORROSION PROTECTION LAYERS ON METAL SURFACES

#97
20110308967
2011-12-22

Pump Cavitation Device

#98
20110303530
2011-12-15

Sacrificial anode and backfill

#99
20110290664
2011-12-01

Cased pipe internal cathodic protection apparatus and method

#100
20110284367
2011-11-24

System for protecting turbine engine surfaces from corrosion

#101
20110214984
2011-09-08

Cathodic protection

#102
20110168571
2011-07-14

Treatment process for concrete

#103
20110120884
2011-05-26

Impressed current protection for food or beverage containers

#104
20110114477
2011-05-19

Refillable anode

#105
20110100804
2011-05-05

Electrochemical antifouling system for seawater-wetted structures

#106
20110089048
2011-04-21

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

#107
20110064392
2011-03-17

Electric storage water heater with double cathodic protection

#108
20110048665
2011-03-03

CORROSION RESISTANCE FOR A LEACHING PROCESS

#109
20110003165
2011-01-06

MULTI-LAYER ANTI-CORROSIVE COATING

#110
20100314262
2010-12-16

Corrosion protection of steel in concrete

#111
20100270169
2010-10-28

Cathodic protection method and apparatus

#112
20100270145
2010-10-28

Anti-vandalism bunker for cathodic protection rectifiers

#113
20100251762
2010-10-07

Water crystallizer employing mercury wetted surface

#114
20100147703
2010-06-17

Sacrificial anode and treatment of concrete

#115
20100101933
2010-04-29

Inhibition of corrosion of structures

#116
20100080690
2010-04-01

HYDRAULIC PUMP

#117
20100044218
2010-02-25

Rejuvenateable cathodic protection anodes for reinforcing steel in concrete and soil

#118
20090252986
2009-10-08

Anti-corrosive coating for metal surfaces

#119
20090229994
2009-09-17

Discrete sacrificial anode assembly

#120
20090229993
2009-09-17

Treatment process for concrete

#121
20090200179
2009-08-13

Method for the cathodic protection of the reinforcements of ferroconcrete edifices against corrosion

#122
20090078585
2009-03-26

Using an impressed current cathodic protection system to power electrical appliances

#123
20080265217
2008-10-30

Cathodic protection compounds

#124
20080230398
2008-09-25

Sacrificial anode and backfill

#125
20080202941
2008-08-28

Cathodic protection of a concrete structure having a part in contact with a wetting medium and a part above the medium

#126
20080105564
2008-05-08

Protection of reinforcement

#127
20080105562
2008-05-08

Systems and methods for underwater impressed current cathodic protection

#128
20080047843
2008-02-28

Sacrificial anode assembly

#129
20080000778
2008-01-03

Cathodic protection

#130
20070295612
2007-12-27

Cathodic protection

#131
20070289879
2007-12-20

Use of cathodic protection compounds on treated metal articles

#132
20070267290
2007-11-22

Photovoltaically powered cathodic protection system for automotive vehicle

#133
20070237957
2007-10-11

Composite plated film and laminated film

#134
20070194774
2007-08-23

Anode assembly for cathodic protection

#135
20070187260
2007-08-16

Cathodic corrosion protection powder coating composition and method

#136
20070175750
2007-08-02

Galvanic anode system for corrosion protection of steel and method for production thereof

#137
20070111015
2007-05-17

Cathodic protection coatings containing carbonaceous conductive media

#138
20070029191
2007-02-08

Sacrificial anode holder and related anodes

#139
20060163084
2006-07-27

Apparatus for cathodic protection in an environment in which thin film corrosive fluids are formed and method thereof

#140
20060108460
2006-05-25

Bale processor with grain mixing attachment

#141
20060108235
2006-05-25

Cathodic protection system using impressed current and galvanic action

#142
20060091001
2006-05-04

Methods and systems of cathodic protection for metallic enclosures

#143
20050241934
2005-11-03

Self-repairing structure and coating for corrosive medium

#144
20050194049
2005-09-08

Oil feeding apparatus of motor vehicle

#145
18912286
2025-05-13

Turbine-induced ICCP system for metallic pipelines