ClassID:

120662

C23F13/005 - CPC Classification

Classification description:

Inhibiting corrosion of metals by anodic or cathodic protection Anodic protection

Recent Application in this class:
#1
20250381571
2025-12-18

A WATER TREATMENT UNIT

#2
20250313961
2025-10-09

CORROSION PROTECTION SYSTEM

#3
20250286254
2025-09-11

BATTERY PACK WITH REVERSIBLE CONNECTOR AND ZERO VOLT STABILITY

#4
20250223706
2025-07-10

ANODE ASSEMBLY FOR SELECTIVE CORROSION PROTECTION OF METAL PARTS IN CONCRETE

#5
20250131813
2025-04-24

A SHAFT CONTACT DEVICE

#6
20240186591
2024-06-06

LOW VOLTAGE SACRIFICIAL ELECTRODES

#7
20230340797
2023-10-26

Apparatus For Protecting Skimmer Pump Lines

#8
20230213241
2023-07-06

System and a method for notifying a user to replace a sacrificial anode

#9
20230040926
2023-02-09

METHOD FOR MANUFACTURING ALUMINIUM ALLOY SHEET AND ELECTRONIC DEVICE INCLUDING SAME

#10
20230023650
2023-01-26

SELF-HEALING ANTI-ICING ALUMINUM CONDUCTOR STEEL-REINFORCED WITH COMPOSITE MICROPOROUS STRUCTURE AND PREPARATION METHOD THEREOF

#11
20220372633
2022-11-24

METHOD FOR CHEMICAL POLISH FOR METAL PIECES

#12
20220364253
2022-11-17

Method to apply color coatings on alloys

#13
20220025524
2022-01-27

SYSTEM AND METHOD FOR SERVICE LIFE MANAGEMENT USING CORROSION MANAGED CONNECTORS

#14
20210269925
2021-09-02

System, method and apparatus for providing anodic corrosion protection for galvanized irrigation pipes

#15
20210238751
2021-08-05

Two terminal corrosion protection device, system, and method

#16
20210230752
2021-07-29

Corrosion Inhibitor Apparatus for Land Vehicles

#17
20210172073
2021-06-10

Selectively removable marine engine anode

#18
20210102489
2021-04-08

Marine vessel propulsion device

#19
20210095379
2021-04-01

PROTECTED REINFORCED CONCRETE STRUCTURE

#20
20200378082
2020-12-03

Offshore installation

#21
20200370186
2020-11-26

Anti-corrosion nanoparticle compositions

#22
20200048961
2020-02-13

NON-CONDUCTIVE ANODIZED GROUND AND AERIAL LADDERS FOR THE FIRE SERVICE

#23
20190390353
2019-12-26

ANODE ASSEMBLY FOR SELECTIVE CORROSION PROTECTION OF METAL PARTS IN CONCRETE

#24
20190169757
2019-06-06

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

#25
20190127860
2019-05-02

Two-step sealing of anodized aluminum coatings

#26
20180320272
2018-11-08

Corrosion inhibiting additive

#27
20180128514
2018-05-10

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

#28
20180112316
2018-04-26

METHOD FOR THE SURFACE TREATMENT OF A BIOCORRODABLE IMPLANT

#29
20180106502
2018-04-19

Anode support and or locator device and method of assembly

#30
20180080129
2018-03-22

Corrosion protection of sealing gap between aluminum alloy and gasket

#31
20180051385
2018-02-22

Electrodeposition system and method incorporating an anode having a back side capacitive element

#32
20170350020
2017-12-07

Corrosion inhibiting additive

#33
20170350019
2017-12-07

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

#34
20170342571
2017-11-30

Electrical contact element

#35
20170198401
2017-07-13

Linear faraday induction generator for the generation of electrical power from ocean wave kinetic energy and arrangements thereof

#36
20170002611
2017-01-05

Adjustable bent housings with disintegrable sacrificial support members

#37
20160348254
2016-12-01

Method for controlling aluminum dissolution

#38
20160298330
2016-10-13

Preventing corrosion in a greenhouse

#39
20160298243
2016-10-13

Anti-corrosion nanoparticle compositions

#40
20160258652
2016-09-08

Water heater and method of controlling a water heater

#41
20150376812
2015-12-31

Electrodeposition system and method incorporating an anode having a back side capacitive element

#42
20150376808
2015-12-31

Electrodeposition system and method incorporating an anode having a back side capacitive element

#43
20150259807
2015-09-17

Detachable retrievable outboard system and apparatus for sacrificial anodes

#44
20150259806
2015-09-17

Detached Retrievable Outboard System and Apparatus for Sacrificial Anodes.

#45
20150252840
2015-09-10

BEARING LUBRICATED WITH A MEDIUM

#46
20150218712
2015-08-06

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

#47
20150180145
2015-06-25

Electrical connector for an anode

#48
20150132590
2015-05-14

Active Corrosion Protection Coatings

#49
20150083583
2015-03-26

Partial surface treatment apparatus

#50
20150053573
2015-02-26

Galvanic corrosion mitigation with metallic polymer matrix paste

#51
20150021200
2015-01-22

Protecting a metal surface from corrosion

#52
20140224670
2014-08-14

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

#53
20140216945
2014-08-07

Passive water heater anode rod depletion sensor algorithm

#54
20140186684
2014-07-03

Electrochemical cell

#55
20130299360
2013-11-14

Head Member For A Current Bar For Use In Electroplating Apparatus

#56
20130220827
2013-08-29

Stainless steel anodes for alkaline water electrolysis and methods of making

#57
20120261270
2012-10-18

Sacrificial anode and treatment of concrete

#58
20110250465
2011-10-13

MULTILAYER MATERIAL WITH ENHANCED CORROSION RESISTANCE (VARIANTS) AND METHODS FOR PREPARING SAME

#59
20110048665
2011-03-03

CORROSION RESISTANCE FOR A LEACHING PROCESS

#60
20100224505
2010-09-09

Electro-Chemical Method In An Enrichment Process

#61
20060231416
2006-10-19

Method for protecting metal-containing structures, deposited on substrate against corrosion

#62
19051848
2025-08-12

Anti-corrosion wear-resistant drill pipe and preparation method thereof