ClassID:

213135

H01M4/21 - CPC Classification

Classification description:

Electrodes; Electrodes composed of, or comprising, active material; Electrodes for lead-acid accumulators; Processes of manufacture of pasted electrodes Drying of pasted electrodes

Recent Application in this class:
#1
20260128279
2026-05-07

BATTERY PASTE ADHESION PROCESS FOR BATTERIES

#2
20250316694
2025-10-09

RUBBER ADDITIVE IN LEAD ACID BATTERIES

#3
20250279427
2025-09-04

LEAD-BASED ALLOY AND RELATED PROCESSES AND PRODUCTS

#4
20240339687
2024-10-10

Serviceable Batteries with Reusable Electrodes

#5
20240274817
2024-08-15

LEAD-BASED ALLOY AND RELATED PROCESSES AND PRODUCTS

#6
20240088350
2024-03-14

METHODS AND APPARATUS RELATING TO BIPOLAR BATTERIES

#7
20230106259
2023-04-06

Lead-based alloy and related processes and products

#8
20220310987
2022-09-29

Core-shell particles based on red lead for lead-acid batteries

#9
20220193624
2022-06-23

Battery Paste Mixer and Method

#10
20210226212
2021-07-22

Lead-based alloy and related processes and products

#11
20210138417
2021-05-13

Battery paste mixer and method

#12
20200091516
2020-03-19

Lead-based alloy and related processes and products

#13
20190326583
2019-10-24

Battery electrode plate preparation method

#14
20190181506
2019-06-13

PASTING PAPER FOR BATTERIES COMPRISING MULTIPLE FIBER TYPES

#15
20180366719
2018-12-20

Lead-acid battery electrode manufacture

#16
20170317351
2017-11-02

Lead-based alloy and related processes and products

#17
20170263913
2017-09-14

Lead-acid battery

#18
20170179495
2017-06-22

Silicon current collector for lead acid battery

#19
20170025681
2017-01-26

Lead-acid battery

#20
20160308195
2016-10-20

Bipolar hybrid energy storage device

#21
20160293937
2016-10-06

Electrode for lead acid storage battery

#22
20150372289
2015-12-24

Method for manufacturing an electrode paste

#23
20140050986
2014-02-20

ACTIVE MATERIALS FOR LEAD ACID BATTERY

#24
20130029203
2013-01-31

Electrode for lead acid storage battery

#25
20110293821
2011-12-01

Process for the preparation of plates for lead-acid batteries

#26
20100216021
2010-08-26

ELECTRODE PLATE

#27
20100215837
2010-08-26

PROCESS FOR MAKING AN ELECTRODE, AN ELECTRODE AND A BATTERY COMPRISING THE ELECTRODE

#28
20080196241
2008-08-21

Method for producing, maturing and drying negative and positive plates for lead accumulators

#29
20080087868
2008-04-17

Battery paste material and method

#30
20070269592
2007-11-22

Battery paste material and method

#31
20060226268
2006-10-12

Methods of modifying fibers

#32
20060110524
2006-05-25

Additives and modified tetrabasic sulfate crystal positive plates for lead acid batteries

#33
20060093912
2006-05-04

Paste curing additive

#34
20050221191
2005-10-06

Lead alloy and lead storage battery using it