H01M 4/22
Forming of electrodes
H01M4/22 (Forming of electrodes) appears on 95 US grants and 99 published applications in this corpus.
Search patents in H01M- Granted patents
- 95
- Published applications
- 99
- Assignees
- 78
- Inventors
- 237
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 1 | 0 |
| 2010 | 0 | 4 |
| 2011 | 1 | 2 |
| 2012 | 2 | 3 |
| 2013 | 1 | 5 |
| 2014 | 2 | 6 |
| 2015 | 2 | 7 |
| 2016 | 6 | 8 |
| 2017 | 4 | 2 |
| 2018 | 5 | 8 |
| 2019 | 7 | 7 |
| 2020 | 4 | 7 |
| 2021 | 5 | 3 |
| 2022 | 4 | 5 |
| 2023 | 4 | 4 |
| 2024 | 4 | 6 |
| 2025 | 2 | 5 |
| 2026 | 1 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method of forming a composition and the composition formed therefrom12 May 2026US 12,626,905 B2
- Battery electrode continuous casting shoe, machine and method9 Dec 2025US 12,494,475 B2Wirtz Manufacturing Company, Inc.
- Method for making multi-porous lead-carbon electrode sheets electrode sheet cassette and lead-carbon battery12 Aug 2025US 12,388,076 B2National Formosa University
- Methods for making components of lead-acid batteries19 Nov 2024US 12,148,928 B2Hammond Group, Inc.
- Method and system for drying electrode plate of secondary battery25 Jun 2024US 12,018,889 B2SK On Co., Ltd.
- Metal-carbon nanofiber composite electrodes for high performance lithium-ion and lead-acid batteries8 Oct 2026US 2026/0311992 A1The Curators of the University of Missouri
- Method of forming a composition and the composition formed therefrom17 Sep 2026US 2026/0279766 A1Teebs R&D, LLC
- Making metal battery grids for lead-acid battery manufacture with laser cleaning and assembly therefor26 Mar 2026US 2026/0088278 A1Wirtz Manufacturing Company, Inc.
- Battery electrode continuous casting shoe, machine and method26 Feb 2026US 2026/0058121 A1Wirtz Manufacturing Company, Inc.
- Control of Lead Acid Paste Transference Through Use of Ultrasonics for Viscosity Regulation11 Dec 2025US 2025/0379204 A1Tbs Engineering Limited
Most cited
By later US patents
- Dust reduction for electrode plates32US 4,135,041 AVarta Batterie Aktiengesellschaft · 1979
- Forming of tetrabasic lead sulfate battery electrodes21US 4,415,410 AAllied Corporation · 1983
- Formation efficiency of positive plates of a lead-acid battery19US 4,656,706 AGlobe-Union Inc. · 1987
- Method of preparing lead-acid battery plates and lead-acid batteries containing plates so prepared19US 4,713,304 AGNB Incorporated · 1987
- Electrode plate for lead accumulators15US 4,232,100 ANordiska Ackumulatorfabriker Noack AB · 1980