ClassID:

120663

C23F13/02 - 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

Sub-classes:
Recent Application in this class:
#1
20250282955
2025-09-11

COATING COMPOSITION AND ITS USE

#2
20210107842
2021-04-15

Method and apparatus for electrochemical treatment of concrete structures affected by ASR

#3
20200254496
2020-08-13

Apparatus and method for in-situ cathodic protection of piggable water pipelines

#4
20200232905
2020-07-23

Corrosion resistance tester for coated metal material

#5
20200216718
2020-07-09

CORROSION PREVENTION TAPE

#6
20200109478
2020-04-09

System for impressed current cathodic protection

#7
20190352872
2019-11-21

Load arrangement for powering a load

#8
20190352783
2019-11-21

Corrosion control coating

#9
20190186021
2019-06-20

Surface CTS anti-corrosion treatment method for stainless steel part

#10
20190143383
2019-05-16

Apparatus and method for in-situ cathodic protection of piggable water pipelines

#11
20190136389
2019-05-09

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

#12
20190127860
2019-05-02

Two-step sealing of anodized aluminum coatings

#13
20190113160
2019-04-18

Flange tab system

#14
20190071842
2019-03-07

Hydraulic excavation and delivery device

#15
20190062927
2019-02-28

Manufacture of sacrificial anodes

#16
20190062926
2019-02-28

CORROSION MITIGATION OF MAGNESIUM AND MAGNESIUM ALLOYS

#17
20170233977
2017-08-17

Corrosion-resistant fluid membrane

#18
20170130341
2017-05-11

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

#19
20170101716
2017-04-13

Corrosion control coating

#20
20170057605
2017-03-02

Photovolatic powered cathodic protection probe

#21
20160289846
2016-10-06

Method and apparatus for corrosion inhibition

#22
20160201202
2016-07-14

Method for operating a bearing arrangement

#23
20160168725
2016-06-16

Method for cathodic corrosion protection of chromium surfaces

#24
20160047430
2016-02-18

Cathodically protected hub and brake rotor assembly

#25
20150132590
2015-05-14

Active Corrosion Protection Coatings

#26
20150021169
2015-01-22

Double coupon reference cell and methods of making same

#27
20150014597
2015-01-15

Coating composition for prevention of substrate oxidation

#28
20140027270
2014-01-30

CATHODIC PROTECTION BY COATING FOR COOLING CIRCUITS OR OTHER HOLES OR CHANNELS

#29
20130118916
2013-05-16

Treatment process for concrete

#30
20130108363
2013-05-02

Trench cover

#31
20130020191
2013-01-24

CORROSION PROTECTION OF STEEL IN CONCRETE

#32
20130013228
2013-01-10

Pipeline leak detection and location system through pressure and cathodic protection soil

#33
20120031197
2012-02-09

Method and electromagnetic flowmeter having corrosion protected measuring electrodes

#34
20120018312
2012-01-26

Corrosion Protection Method And Corrosion Protection Structure

#35
20110303530
2011-12-15

Sacrificial anode and backfill

#36
20110296674
2011-12-08

RESISTOR ANODE ASSEMBLY

#37
20110180421
2011-07-28

Use of a sacrificial anode for corrosion protection of a portable device, e.g. a hearing aid

#38
20110168571
2011-07-14

Treatment process for concrete

#39
20110108413
2011-05-12

Spray formed galvanic anode panel

#40
20100147702
2010-06-17

Process for cathodic protection of electrode material

#41
20100141283
2010-06-10

Method and apparatus to detect and locate roof leaks

#42
20100101933
2010-04-29

Inhibition of corrosion of structures

#43
20100044218
2010-02-25

Rejuvenateable cathodic protection anodes for reinforcing steel in concrete and soil

#44
20100038261
2010-02-18

Composite anode for cathodic protection

#45
20090272643
2009-11-05

Composite anode well and revitilization method

#46
20090229993
2009-09-17

Treatment process for concrete

#47
20090205951
2009-08-20

Corrosion control of bottom plates in above-ground storage tanks

#48
20090183998
2009-07-23

ACTIVATING MATRIX FOR CATHODIC PROTECTION

#49
20090179025
2009-07-16

Resistor anode assembly

#50
20080283417
2008-11-20

Process for cathodic protection of electrode materials

#51
20080247921
2008-10-09

Synergistic corrosion management systems for controlling, eliminating and/or managing corrosion

#52
20080230398
2008-09-25

Sacrificial anode and backfill

#53
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

#54
20080105562
2008-05-08

Systems and methods for underwater impressed current cathodic protection

#55
20080023340
2008-01-31

Process for cathodic protection of electrode materials

#56
20070209949
2007-09-13

Anode for cathodic protection

#57
20070194774
2007-08-23

Anode assembly for cathodic protection

#58
20070187854
2007-08-16

Deep well anodes for electrical grounding

#59
20070048533
2007-03-01

Multi-layered surface protection for reinforced concrete in order to improve protection against corrosive for reinforced concrete constructions or reinforced concrete building components and method for the production thereof

#60
20060289297
2006-12-28

Semiconductor device manufacturing apparatus and operating method thereof

#61
20060130709
2006-06-22

Liquid galvanic coatings for protection of embedded metals

#62
20060070871
2006-04-06

Cathodic protection system for underground storage tank

#63
20050236279
2005-10-27

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

#64
20050178673
2005-08-18

Axial current meter for in-situ continuous monitoring of corrosion and cathodic protection current

#65
20050095469
2005-05-05

Method for inerting the anodes of fuel cells

#66
13999333
2018-01-23

Method and apparatus for cathodically protecting a storage tank