C25C3/20 - CPC Classification Index

#1

20260085887

2026-03-26

Waste Heat Recovery and Utilization System and method

#2

20250305172

2025-10-02

ALUMINIUM SMELTING METHOD & APPARATUS

#3

20240175158

2024-05-30

ANODE HANDLING SYSTEM AND METHOD OF USE

#4

20230374685

2023-11-23

DETECTING THERMITE REACTIONS IN AN ELECTROLYTIC CELL

#5

20230175156

2023-06-08

SYSTEM AND PROCESS FOR STARTING UP AN ELECTROLYTIC CELL

#6

20230077624

2023-03-16

SYSTEMS AND METHODS FOR ENERGY EFFICIENT ELECTROLYSIS CELLS

#7

20220316083

2022-10-06

Systems and methods for preventing thermite reactions in electrolytic cells

#8

20210164119

2021-06-03

Apparatus and method for controlled alumina supply

#9

20200216971

2020-07-09

SYSTEMS AND METHODS FOR CONTROLLING HEAT LOSS FROM AN ELECTROLYTIC CELL

#10

20200080213

2020-03-12

Device and method for determining the composition of an electrolyte

#11

20190360114

2019-11-28

Systems and methods for controlling heat loss from an electrolytic cell

#12

20180209056

2018-07-26

SYSTEMS AND METHODS OF PROTECTING ELECTROLYSIS CELL SIDEWALLS

#13

20180023207

2018-01-25

Aluminum smelter and method to compensate for a magnetic field created by the circulation of the electrolysis current of said aluminum smelter

#14

20170350028

2017-12-07

Modified electrolysis cell and a method for modifying same

#15

20170145574

2017-05-25

Method for controlling an alumina feed to electrolytic cells for producing aluminum

#16

20170058413

2017-03-02

METHOD OF CONTROLLING AN ALUMINUM REDUCTION CELL WITH THE MINIMUM POWER

#17

20170022619

2017-01-26

System, method and apparatus for measuring electrolysis cell operating conditions and communicating the same

#18

20160327497

2016-11-10

Method for determining the composition and cryolite ratio of solid samples of potassium-containing electrolyte in aluminum production by XRD

#19

20160201208

2016-07-14

Aluminium smelter comprising a compensating electric circuit

#20

20160068980

2016-03-10

Systems and methods of protecting electrolysis cell sidewalls

#21

20160068979

2016-03-10

Systems and methods of protecting electrolysis cell sidewalls

#22

20160068978

2016-03-10

ALUMINIUM ELECTROLYSIS CELL COMPRISING SIDEWALL TEMPERATURE CONTROL SYSTEM

#23

20150292096

2015-10-15

SYSTEM AND METHODS USEFUL IN CONTROLLING OPERATIONS OF METAL ELECTROLYSIS CELLS

#24

20150136612

2015-05-21

Direct-current shunt preheating start method for an inert electrode aluminum electrolysis cell

#25

20140332400

2014-11-13

ALUMINIUM ELECTROLYSIS CELL COMPRISING SIDEWALL TEMPERATURE CONTROL SYSTEM

#26

20140316579

2014-10-23

Process control of an industrial plant

#27

20140262807

2014-09-18

Systems and methods of protecting electrolysis cell sidewalls

#28

20140231268

2014-08-21

COMPACT SERVICE MODULE AND USE THEREOF IN A PLANT FOR PRODUCING ALUMINUM BY ELECTROLYSIS

#29

20140174943

2014-06-26

SYSTEM AND METHOD FOR CONTROL OF LAYER FORMATION IN AN ALUMINUM ELECTROLYSIS CELL

#30

20140138241

2014-05-22

Aluminum smelter comprising electrical conductors made from a superconducting material

#31

20140048421

2014-02-20

Systems and methods for preventing thermite reactions in electrolytic cells

#32

20130319874

2013-12-05

System, method and apparatus for measuring electrolysis cell operating conditions and communicating the same

#33

20120197542

2012-08-02

Systems and methods for determining alumina properties

#34

20110147226

2011-06-23

Shut-down and start-up procedures of an electrolytic cell

#35

20110094891

2011-04-28

Method of producing aluminium in an electrolysis cell

#36

20110073466

2011-03-31

Device for Measuring the Metal Level in a Reduction Basin

#37

20110006782

2011-01-13

INSULATION MONITORING OF SERVICING UNITS USED IN A POTROOM FOR THE PRODUCTION OF ALUMINUM BY IGNEOUS ELECTROLYSIS

#38

20100315504

2010-12-16

SYSTEMS, METHODS AND APPARATUS FOR TAPPING METAL ELECTROLYSIS CELLS

#39

20100292825

2010-11-18

PROCESS CONTROL OF AN INDUSTRIAL PLANT

#40

20100243460

2010-09-30

System, method and apparatus for measuring electrolysis cell operating conditions and communicating the same

#41

20100090850

2010-04-15

Systems, methods and apparatus for tapping a metal electrolysis cell

#42

20100065435

2010-03-18

Aluminum production process control

#43

20090107840

2009-04-30

METHODS, SYSTEMS AND APPARATUS FOR DETERMINING COMPOSITION OF FEED MATERIAL OF METAL ELECTROLYSIS CELLS

#44

20090065041

2009-03-12

Wireless sensing node powered by energy conversion from sensed system

#45

20080029403

2008-02-07

Aluminum reduction cell fuse technology

#46

20080020265

2008-01-24

SIDEWALL TEMPERATURE CONTROL SYSTEMS AND METHODS AND IMPROVED ELECTROLYSIS CELLS RELATING TO SAME

#47

20080017504

2008-01-24

SIDEWALL TEMPERATURE CONTROL SYSTEMS AND METHODS AND IMPROVED ELECTROLYSIS CELLS RELATING TO SAME

#48

20070295615

2007-12-27

SYSTEMS AND METHODS USEFUL IN CONTROLLING OPERATIONS OF METAL ELECTROLYSIS CELLS

#49

20070095672

2007-05-03

Method of controlling aluminum reduction cell with prebaked anodes

#50

20060254925

2006-11-16

Measuring duct offgas temperatures to improve electrolytic cell energy efficiency

#51

20060237305

2006-10-26

Electrolysis cell and structural elements to be used therein

#52

20060176175

2006-08-10

Wireless sensing node powered by energy conversion from sensed system

#53

20060037863

2006-02-23

Measuring duct offgas temperatures to improve electrolytic cell energy efficiency

#54

20050247568

2005-11-10

Method of controlling an aluminum cell with variable alumina dissolution rate

#55

20050069018

2005-03-31

Molten cryolitic bath probe

#56

20050067298

2005-03-31

Method and device for detecting anode effects of an electrolytic cell for aluminum production

#57

20050040047

2005-02-24

Use of infrared imaging to reduce energy consumption and fluoride consumption