H01M 50/77
With external circulating path
Official title: with external circulating path
H01M50/77 (With external circulating path) appears on 223 US grants and 196 published applications in this corpus.
Search patents in H01M- Granted patents
- 223
- Published applications
- 196
- Assignees
- 140
- Inventors
- 508
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 4 | 0 |
| 1983 | 6 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 3 |
| 2004 | 0 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 4 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 6 |
| 2010 | 3 | 5 |
| 2011 | 2 | 6 |
| 2012 | 7 | 16 |
| 2013 | 3 | 19 |
| 2014 | 8 | 20 |
| 2015 | 18 | 16 |
| 2016 | 10 | 9 |
| 2017 | 16 | 12 |
| 2018 | 8 | 7 |
| 2019 | 7 | 8 |
| 2020 | 11 | 10 |
| 2021 | 6 | 5 |
| 2022 | 5 | 10 |
| 2023 | 2 | 8 |
| 2024 | 8 | 4 |
| 2025 | 7 | 8 |
| 2026 | 2 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Metal-air fuel battery system with follow-up adjustment of large-sized anode9 Jun 2026US 12,651,788 B2Translational Research Center, School of Mechanical and Vehicle, Beijing Institute of Technology, Tangshan Port Economic Development Zone
- Thermally activated retractable EMC protection27 Jan 2026US 12,537,263 B2International Business Machines Corporation
- Battery system30 Dec 2025US 12,512,569 B2IFBattery Inc.
- Electrochemical cells11 Nov 2025US 12,467,150 B2IFBattery Inc.
- Flow-through electrochemical cell4 Nov 2025US 12,463,231 B2
- High-capacity battery and method for repairing high-capacity battery30 Jul 2026US 2026/0221637 A1D-Aus Energy Storage Technology (Xi'an) Co., Ltd.
- Metal air battery turbine anode disc drive system14 May 2026US 2026/0135199 A1
- Battery Shell, Battery Cell and Large-Capacity Battery19 Mar 2026US 2026/0081330 A1D-Aus Energy Storage Technology (Xi'an) Co., Ltd.
- Anode formation in metal-air cells5 Mar 2026US 2026/0066397 A1Phinergy Ltd.
- Metal-air fuel battery system with follow-up adjustment of large-sized anode29 Jan 2026US 2026/0031437 A1Translational, Research Center, School of Mechanical and Vehicle, Beijing Institute of Technology
Most cited
By later US patents
- Redox flow battery system and cell stack116US 6,475,661 B1Squirrel Holdings Ltd. · 2002
- Metal-air cell and power system using metal-air cells74US 5,415,949 AVoltek, Inc. · 1995
- Zinc-bromine battery with circulating electrolytes66US 5,607,788 AElin Energieanwendung GmbH · 1997
- Electrochemical power generating system64US 5,439,758 AVoltek, Inc. · 1995
- Method and apparatus for rebalancing a redox flow cell system63US 4,576,878 AThe United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 1986