H01M 4/84
Involving casting
Official title: involving casting
H01M4/84 (Involving casting) appears on 55 US grants and 49 published applications in this corpus.
Search patents in H01M- Granted patents
- 55
- Published applications
- 49
- Assignees
- 30
- Inventors
- 100
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 3 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 4 |
| 2011 | 1 | 0 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 0 |
| 2015 | 1 | 3 |
| 2016 | 0 | 2 |
| 2017 | 2 | 3 |
| 2018 | 0 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 4 |
| 2021 | 1 | 2 |
| 2022 | 4 | 5 |
| 2023 | 2 | 0 |
| 2024 | 4 | 3 |
| 2025 | 2 | 0 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Battery grid lead scrap melting apparatus and method22 Oct 2024US 12,125,987 B2Wirtz Manufacturing Company, Inc.
- Battery electrode continuous casting shoe, machine and method4 Jun 2024US 12,002,943 B2Wirtz Manufacturing Company, Inc.
- Battery electrode continuous casting drum, shoe, machine and method4 Jun 2024US 12,002,966 B2Wirtz Manufacturing Company, Inc.
- Battery paste adhesion process for batteries7 May 2026US 2026/0128279 A1Wirtz Manufacturing Company, Inc.
- Battery electrode continuous casting shoe, machine and method26 Feb 2026US 2026/0058121 A1Wirtz Manufacturing Company, Inc.
- Battery electrode continuous casting drum, shoe, machine and method26 Feb 2026US 2026/0058166 A1Wirtz Manufacturing Company, Inc.
- Method of making plates with pure lead grids for lead-acid battery manufacture19 Sep 2024US 2024/0313231 A1Wirtz Manufacturing Company, Inc.
- Battery electrode continuous casting drum, shoe, machine and method22 Aug 2024US 2024/0282976 A1Wirtz Manufacturing Company, Inc.
Most cited
By later US patents
- 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
- Grid for use in lead acid batteries and process for producing same40US 4,939,051 AMatsushita Electric Industrial Co., Ltd. · 1990
- Method for the manufacture of lead-acid batteries and an associated apparatus and associated lead-acid battery40US 4,982,482 ACaltec International, Inc. · 1991
- Modification of the shape/surface finish of battery grid wires to improve paste adhesion39US 6,274,274 B1Johnson Controls Technology Company · 2001