H01G 9/22
Devices using combined reduction and oxidation
Official title: Devices using combined reduction and oxidation, e.g. redox arrangement or solion
H01G9/22 (Devices using combined reduction and oxidation) appears on 39 US grants and 49 published applications in this corpus.
Search patents in H01G- Granted patents
- 39
- Published applications
- 49
- Assignees
- 47
- Inventors
- 137
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 4 | 5 |
| 2005 | 0 | 7 |
| 2006 | 2 | 3 |
| 2007 | 4 | 2 |
| 2008 | 3 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 4 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 5 |
| 2018 | 0 | 0 |
| 2019 | 2 | 2 |
| 2020 | 0 | 1 |
| 2021 | 2 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Self-regenerative electrolytes with intrinsic redox activity for energy storage devices25 Aug 2026US 12,718,988 B2The American University in Cairo
- Electrolytic capacitor components and manufacturing methods4 Nov 2025US 12,462,984 B2KEMET Electronics Portugal, S. A.
- Polymer compositions for vertical channel organic electrochemical transistors and complementary logic circuits15 Jul 2025US 12,364,155 B2Flexterra, Inc.
- Current control systems and methods18 Mar 2025US 12,256,586 B2Xerox Corporation
- Thermally sensitive state change ionic redox transistor26 Mar 2024US 11,942,282 B1National Technology & Engineering Solutions of Sandia, LLC
- Electrolytic Capacitor Components and Manufacturing Methods11 Dec 2025US 2025/0379000 A1KEMET Electronics Portugal, S. A.
- Self-regenerative electrolytes with intrinsic redox activity for energy storage devices29 Aug 2024US 2024/0290552 A1The American University in Cairo
- Electrochemical biofilm sensor27 Jun 2024US 2024/0210349 A1ALVIM Srl
- Electrolytic Capacitor Components and Manufacturing Methods14 Dec 2023US 2023/0402232 A1Micro Energy Technologies GmbH
- Polymer compositions for vertical channel organic electrochemical transistors and complementary logic circuits26 Jan 2023US 2023/0022693 A1Flexterra, Inc.
Most cited
By later US patents
- Graphitic nanofibers in electrochemical capacitors174US 6,031,711 AHyperion Catalysis International, Inc. · 2000
- Graphitic nanofibers in electrochemical capacitors71US 6,665,169 B2Hyperion Catalysis International, Inc. · 2003
- Supercapacitor electrochemical cell55US 5,585,999 AThe United States of America as represented by the Secretary of the Air Force · 1996
- Electrochemical storage device having asymmetric electrodes52US 5,538,813 AMotorola, Inc. · 1996
- Plastic functional element49US 5,883,397 AMitsubishi Denki Kabushiki Kaisha · 1999