Patents-Review.com
ClassID:

120685 ⎘

C23F2213/21 - CPC Classification

Classification description:

Aspects of inhibiting corrosion of metals by anodic or cathodic protection; Constructional parts or assemblies of the anodic or cathodic protection apparatus combining at least two types of anodic or cathodic protection

Recent Application in this class:
#1
20220349065
2022-11-03

MARINE SALINITY MEASURING ARRANGEMENT AND METHOD

 #2
20210063052
2021-03-04

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

 #3
20190085468
2019-03-21

Systems and methods for providing monitored and controlled cathodic protection potential

 #4
20180320272
2018-11-08

Corrosion inhibiting additive

 #5
20180051910
2018-02-22

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

 #6
20160138173
2016-05-19

Marine cathodic protection system

 #7
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

 #8
20150291974
2015-10-15

Artificial plant promoter activated by broad spectrum of xanthomonas

 #9
20150284860
2015-10-08

PROTECTION OF STEEL REINFORCED CONCRETE ELEMENTS

 #10
20150266754
2015-09-24

System and method for regulating conductivity of cooling water from a cooling water recirculation system

 #11
20150218712
2015-08-06

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

 #12
20140376899
2014-12-25

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

 #13
20140044387
2014-02-13

Bearing comprising a corrosion-resistant bearing part

 #14
20140021063
2014-01-23

Two stage cathodic protection system using impressed current and galvanic action

 #15
20130292263
2013-11-07

Multiple Structure Cathodic Protection System

 #16
20130118916
2013-05-16

Treatment process for concrete

 #17
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

 #18
20120261270
2012-10-18

Sacrificial anode and treatment of concrete

 #19
20120152559
2012-06-21

System and method for cathodic protection of a subsea well-assembly

 #20
20110303530
2011-12-15

Sacrificial anode and backfill

 #21
20110284368
2011-11-24

System for protecting gasifier surfaces from corrosion

 #22
20110250465
2011-10-13

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

 #23
20110168571
2011-07-14

Treatment process for concrete

 #24
20110089048
2011-04-21

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

 #25
20110064392
2011-03-17

Electric storage water heater with double cathodic protection

 #26
20100270169
2010-10-28

Cathodic protection method and apparatus

 #27
20100147703
2010-06-17

Sacrificial anode and treatment of concrete

 #28
20090229993
2009-09-17

Treatment process for concrete

 #29
20080230398
2008-09-25

Sacrificial anode and backfill

 #30
20080047843
2008-02-28

Sacrificial anode assembly

 #31
20060108460
2006-05-25

Bale processor with grain mixing attachment

 #32
20060108235
2006-05-25

Cathodic protection system using impressed current and galvanic action

 #33
20060065551
2006-03-30

Corrosion tester

 #34
20060054072
2006-03-16

Marine vessel corrosion control system