H01M 4/20
Of pasted electrodes
Official title: of pasted electrodes
H01M4/20 (Of pasted electrodes) appears on 249 US grants and 253 published applications in this corpus.
Search patents in H01M- Granted patents
- 249
- Published applications
- 253
- Assignees
- 153
- Inventors
- 566
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 6 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 5 |
| 2003 | 3 | 12 |
| 2004 | 5 | 8 |
| 2005 | 3 | 10 |
| 2006 | 6 | 9 |
| 2007 | 2 | 2 |
| 2008 | 4 | 10 |
| 2009 | 5 | 10 |
| 2010 | 2 | 8 |
| 2011 | 3 | 10 |
| 2012 | 6 | 18 |
| 2013 | 3 | 11 |
| 2014 | 6 | 15 |
| 2015 | 9 | 14 |
| 2016 | 11 | 13 |
| 2017 | 9 | 14 |
| 2018 | 10 | 12 |
| 2019 | 16 | 7 |
| 2020 | 6 | 9 |
| 2021 | 7 | 9 |
| 2022 | 9 | 9 |
| 2023 | 5 | 15 |
| 2024 | 8 | 12 |
| 2025 | 8 | 4 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Graphite and dispersant additives for battery paste compositions6 Oct 2026US 12,755,968 B2The Curators of the University of Missouri
- Battery grid feeder for a pasting machine7 Jul 2026US 12,676,332 B2Wirtz Manufacturing Company, Inc.
- Battery paste mixer and method2 Dec 2025US 12,485,395 B2Wirtz Manufacturing Company, Inc.
- Methods and apparatuses for paste production and application on electrode substrates for lead acid batteries11 Nov 2025US 12,469,840 B2Gridtential Energy, Inc.
- Liquid-type lead storage battery4 Nov 2025US 12,463,257 B2The Furukawa Battery Co., Ltd.
- Temperature control in battery paste application hopper assembly24 Sep 2026US 2026/0285604 A1Wirtz Manufacturing Company, Inc.
- Battery Paste Mixer and Method13 Aug 2026US 2026/0233177 A1Wirtz Manufacturing Company, Inc.
- Laser cutting metal battery components for battery manufacture11 Jun 2026US 2026/0158544 A1Wirtz Manufacturing Company, Inc.
- Battery paste adhesion process for batteries7 May 2026US 2026/0128279 A1Wirtz Manufacturing Company, Inc.
- Active materials useful in balancing power and energy density of a battery assembly12 Mar 2026US 2026/0074182 A1Advanced Battery Concepts, LLC
Most cited
By later US patents
- Sealed lead-acid cell and method67US 4,606,982 AGates Energy Products, Inc. · 1986
- Battery grid pasting machine55US 4,606,383 AWirtz Manufacturing Company, Inc. · 1986
- Electrodies containing a conductive metal oxide52US 5,045,170 AGlobe-Union Inc. · 1991
- Process for making battery plate52US 6,454,977 B1Delphi Technologies, Inc. · 2002
- Battery including carbon foam current collectors49US 6,979,513 B2Firefly Energy Inc. · 2005