H01M 4/80
Porous plates
Official title: Porous plates, e.g. sintered carriers
H01M4/80 (Porous plates) appears on 848 US grants and 1,028 published applications in this corpus.
Search patents in H01M- Granted patents
- 848
- Published applications
- 1,028
- Assignees
- 523
- Inventors
- 2,504
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 8 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 7 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 6 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 12 | 0 |
| 1996 | 21 | 0 |
| 1997 | 18 | 0 |
| 1998 | 29 | 0 |
| 1999 | 21 | 0 |
| 2000 | 15 | 0 |
| 2001 | 24 | 11 |
| 2002 | 23 | 16 |
| 2003 | 24 | 13 |
| 2004 | 14 | 16 |
| 2005 | 11 | 16 |
| 2006 | 6 | 13 |
| 2007 | 4 | 9 |
| 2008 | 7 | 14 |
| 2009 | 6 | 21 |
| 2010 | 6 | 14 |
| 2011 | 16 | 41 |
| 2012 | 16 | 38 |
| 2013 | 18 | 56 |
| 2014 | 18 | 40 |
| 2015 | 29 | 40 |
| 2016 | 26 | 46 |
| 2017 | 37 | 48 |
| 2018 | 34 | 54 |
| 2019 | 39 | 59 |
| 2020 | 51 | 81 |
| 2021 | 43 | 73 |
| 2022 | 41 | 78 |
| 2023 | 42 | 56 |
| 2024 | 36 | 81 |
| 2025 | 34 | 52 |
| 2026 | 20 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Direct-formation self-assembly graphene from cellulose nanofiber aqueous solution6 Oct 2026US 12,755,983 B2Hong Kong Applied Science and Technology Research Institute Company Limited
- Rechargeable battery with hybrid cathode comprising conversion and intercalation active materials29 Sep 2026US 12,749,700 B2International Business Machines Corporation
- Negative electrode for aqueous electrolyte cell and sheet-type cell29 Sep 2026US 12,749,739 B2Maxell, Ltd.
- All solid state battery8 Sep 2026US 12,731,815 B2Toyota Jidosha Kabushiki Kaisha
- Cathode material and a method of preparing the same11 Aug 2026US 12,706,308 B2Agency for Science, Technology and Research
- Manufacturing method for electrode, electrode, and use thereof1 Oct 2026US 2026/0302247 A1Prime Planet Energy & Solutions, Inc.
- Secondary battery functional material, preparation method therfor and use thereof17 Sep 2026US 2026/0279840 A1Tianmulake Excellent Anode Materials Co., Ltd.
- Batteries and methods of making the same3 Sep 2026US 2026/0260902 A1Board of Regents, The University of Texas System
- Composite current collector having metal three-dimensional network structure, preparation method for composite current collector, and electrode plate and battery27 Aug 2026US 2026/0253907 A1Jiangyin Nanopore Innovative Materials Technology Ltd.
- Electrode stacked body, method for producing electrode stacked body, and electrochemical device27 Aug 2026US 2026/0253909 A1Maxell, Ltd.
Most cited
By later US patents
- Secondary battery243US 5,824,434 ACanon Kabushiki Kaisha · 1998
- Electrode structural body, rechargeable battery provided with said electrode structural body, and rechargeable battery206US 6,432,585 B1Canon Kabushiki Kaisha · 2002
- Method of making an open pore structure132US 4,975,230 AVapor Technologies, Inc. · 1990
- Method of forming electrodes comprising sulfur and porous material comprising carbon124US 9,034,421 B2Sion Power Corporation · 2015
- Tin-clad substrates for use as current collectors, batteries comprised thereof and methods for preparing same115US 6,582,482 B2GP Batteries International Limited · 2003