H01M 4/82
Multi-step processes for manufacturing carriers for lead-acid accumulators
H01M4/82 (Multi-step processes for manufacturing carriers for lead-acid accumulators) appears on 172 US grants and 156 published applications in this corpus.
Search patents in H01M- Granted patents
- 172
- Published applications
- 156
- Assignees
- 114
- Inventors
- 399
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 2 | 2 |
| 2002 | 8 | 8 |
| 2003 | 2 | 6 |
| 2004 | 7 | 6 |
| 2005 | 4 | 6 |
| 2006 | 1 | 3 |
| 2007 | 0 | 1 |
| 2008 | 0 | 1 |
| 2009 | 2 | 8 |
| 2010 | 4 | 8 |
| 2011 | 1 | 6 |
| 2012 | 4 | 8 |
| 2013 | 4 | 8 |
| 2014 | 3 | 5 |
| 2015 | 6 | 8 |
| 2016 | 3 | 4 |
| 2017 | 6 | 10 |
| 2018 | 7 | 5 |
| 2019 | 5 | 6 |
| 2020 | 7 | 6 |
| 2021 | 4 | 4 |
| 2022 | 6 | 9 |
| 2023 | 2 | 3 |
| 2024 | 7 | 7 |
| 2025 | 4 | 3 |
| 2026 | 0 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Battery electrode continuous casting shoe, machine and method9 Dec 2025US 12,494,475 B2Wirtz Manufacturing Company, Inc.
- Battery electrode continuous casting drum, shoe, machine and method2 Dec 2025US 12,489,118 B2Wirtz Manufacturing Company, Inc.
- Current collector patterning for enhanced adhesion21 Oct 2025US 12,451,494 B2GM Global Technology Operations LLC
- Manufacturing method of power storage device25 Mar 2025US 12,261,304 B2Toyota Jidosha Kabushiki Kaisha
- Manufacture of pasted current collectors for bipolar batteries17 Dec 2024US 12,170,378 B2Wirtz Manufacturing Company, Inc.
- Current collector disc processing method, current collector disc, battery cell, and electrical apparatus8 Oct 2026US 2026/0312073 A1Contemporary Amperex Technology Co., Limited
- Anode, all-solid-state battery comprising the same, and method for manufacturing the same1 Oct 2026US 2026/0302258 A1Foundation of Soongsil University-Industry Cooperation
- Composite current collector and preparation method therefor, and electrode sheet, battery and electric apparatus24 Sep 2026US 2026/0290842 A1Contemporary Amperex Technology Co., Limited
- Methods of Forming a Via and/or Current Collector Trace in a Solid-State Battery17 Sep 2026US 2026/0279918 A1Ensurge Micropower ASA
- Laser patterned solid-state batteries, and methods of making and using the same20 Aug 2026US 2026/0245969 A1Ensurge Micropower ASA
Most cited
By later US patents
- Battery grid structure made of composite wire58US 4,865,933 A1989
- Battery grids, method and apparatus42US 5,611,128 AWirtz Manufacturing Company, Inc. · 1997
- Lead-acid battery having a grid base of a lead-calcium alloy and a layer of lead-antimony-stannum alloy roll-bonded to the grid base41US 4,906,540 AMatsushita Electric Industrial Co., Ltd. · 1990
- Battery grids and plates and lead-acid batteries made using such grids and plates41US 5,434,025 AGNB Battery Technologies Inc. · 1995
- Method for manufacturing lead grid plates for batteries40US 3,959,016 AFurukawa Electric Co., Ltd. · 1976