H01M 4/805
Of powdered and fibrous material
Official title: {of powdered and fibrous material}
H01M4/805 (Of powdered and fibrous material) appears on 19 US grants and 11 published applications in this corpus.
Search patents in H01M- Granted patents
- 19
- Published applications
- 11
- Assignees
- 10
- Inventors
- 45
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 3 |
| 2004 | 2 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Carbon fiber electrode with enhanced active material and lead acid battery having same3 Feb 2026US 12,542,283 B2CPS Technology Holdings LLC
- Porous aluminum sintered compact6 Jun 2017US 9,669,462 B2Mitsubishi Materials Corporation
- Electrode structure for electrochemical cell7 Jul 2015US 9,077,041 B2Sion Power Corporation
- Hybrid electric vehicle incorporating an integrated propulsion system4 Jan 2005US 6,837,321 B2Ovonic Battery Company, Inc.
- Method and system for hydrogen powered internal combustion engine23 Nov 2004US 6,820,706 B2Energy Conversion Devices, Inc.
- Advanced anisotropic 3d current collector with tailored electron tortuosity optimized towards the direction of tabs6 Aug 2026US 2026/0229549 A1Theion GmbH
- Carbon fiber electrode with enhanced active material and lead acid battery having same16 Feb 2023US 2023/0052472 A1CPS Technology Holdings LLC
- Porous aluminum sintered compact14 Jan 2016US 2016/0008888 A1Mitsubishi Materials Corporation
- Electrode structure for electrochemical cell29 Aug 2013US 2013/0224601 A1Sion Power Corporation
- Nanostructural Electrode and Method of Forming the Same5 Jul 2007US 2007/0154807 A1
Most cited
By later US patents
- Electrode structure for electrochemical cell78US 9,077,041 B2Sion Power Corporation · 2015
- Hybrid electric vehicle incorporating an integrated propulsion system48US 6,330,925 B1Ovonic Battery Company, Inc. · 2001
- High power nickel-metal hydride batteries and high power electrodes for use therein37US 5,856,047 AOvonic Battery Company, Inc. · 1999
- Very low emission hybrid electric vehicle incorporating an integrated propulsion system including a hydrogen powered internal combustion engine and a high power Ni-MH battery pack29US 6,565,836 B2Ovonic Battery Company, Inc. · 2003
- Hybrid electric vehicle23US 6,557,655 B2Ovonic Battery Company, Inc. · 2003