H01M 4/8882
Heat treatment
Official title: {Heat treatment, e.g. drying, baking}
H01M4/8882 (Heat treatment) appears on 996 US grants and 1,409 published applications in this corpus.
Search patents in H01M- Granted patents
- 996
- Published applications
- 1,409
- Assignees
- 614
- Inventors
- 3,280
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 3 | 0 |
| 1983 | 7 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 12 | 0 |
| 2000 | 7 | 0 |
| 2001 | 15 | 9 |
| 2002 | 20 | 36 |
| 2003 | 24 | 42 |
| 2004 | 24 | 76 |
| 2005 | 23 | 59 |
| 2006 | 25 | 80 |
| 2007 | 28 | 70 |
| 2008 | 24 | 80 |
| 2009 | 33 | 89 |
| 2010 | 42 | 63 |
| 2011 | 51 | 57 |
| 2012 | 40 | 53 |
| 2013 | 34 | 42 |
| 2014 | 41 | 52 |
| 2015 | 35 | 48 |
| 2016 | 37 | 45 |
| 2017 | 39 | 39 |
| 2018 | 41 | 52 |
| 2019 | 41 | 32 |
| 2020 | 37 | 66 |
| 2021 | 39 | 73 |
| 2022 | 47 | 60 |
| 2023 | 58 | 47 |
| 2024 | 30 | 68 |
| 2025 | 46 | 44 |
| 2026 | 15 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst-coated membrane and method of manufacture28 Jul 2026US 12,695,099 B2Johnson Matthey Hydrogen Technologies Limited
- Negative electrode for lithium secondary battery, method for preparing negative electrode for lithium secondary battery, and lithium secondary battery comprising negative electrode7 Jul 2026US 12,676,302 B2LG Energy Solution, Ltd.
- Cathode catalyst layer and preparation method and use thereof, and fuel cell30 Jun 2026US 12,671,095 B2Haidriver (Beijing) Energy Technology Co., Ltd
- Proton-conducting ceramic fuel cell architecture2 Jun 2026US 12,646,724 B2Versa Power Systems, Ltd.
- Method for producing a functionalized structurized composition for a fuel cell and membrane electrode assembly19 May 2026US 12,633,547 B2Audi AG
- Electrode, solid oxide cell including the same, and method of preparing solid oxide cell1 Oct 2026US 2026/0296913 A1Samsung Electro-Mechanics Co., Ltd.
- High density loading multimetallic particles on chemically modified carbon support1 Oct 2026US 2026/0302265 A1Honda Motor Co., Ltd.
- Process for preparing a supported metal catalyst and the so-obtained catalyst3 Sep 2026US 2026/0260907 A1Studiengesellschaft Kohle gGmbH
- Ultrafine Vacancy-Rich Co9S8-x/MnS-Decorated S, N-Doped Hollow Carbon Nanotube Derived via Cooperative In-Situ Sulfidation and Interface Tuning as a Bifunctional Oxygen Electrocatalyst for High-Performance Zinc-Air Batteries27 Aug 2026US 2026/0253910 A1Korea Advanced Institute of Science and Technology
- Optimizing membrane electrode assembly construction to reduce fuel crossover and enhance open circuit voltage performance in pem fuel cells20 Aug 2026US 2026/0245935 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002
- Nanotechnology for biomedical products224US 6,572,672 B2NanoProducts Corporation · 2003
- Membrane and electrode structure142US 5,330,860 AE. I. Du Pont de Nemours and Company · 1994
- Method of making an open pore structure132US 4,975,230 AVapor Technologies, Inc. · 1990
- Device enclosures and devices with integrated battery119US 6,986,965 B2Cymbet Corporation · 2006