H01M 6/34
Immersion cells
Official title: Immersion cells, e.g. sea-water cells
H01M6/34 (Immersion cells) appears on 181 US grants and 156 published applications in this corpus.
Search patents in H01M- Granted patents
- 181
- Published applications
- 156
- Assignees
- 124
- Inventors
- 334
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 7 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 1 | 7 |
| 2008 | 0 | 2 |
| 2009 | 1 | 3 |
| 2010 | 4 | 9 |
| 2011 | 2 | 5 |
| 2012 | 7 | 10 |
| 2013 | 3 | 6 |
| 2014 | 7 | 14 |
| 2015 | 10 | 15 |
| 2016 | 11 | 16 |
| 2017 | 8 | 12 |
| 2018 | 12 | 8 |
| 2019 | 3 | 8 |
| 2020 | 17 | 17 |
| 2021 | 9 | 6 |
| 2022 | 11 | 5 |
| 2023 | 6 | 5 |
| 2024 | 5 | 3 |
| 2025 | 1 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid-activatable battery28 Jul 2026US 12,695,101 B2Phenogy AG
- Submarine power supply system and power supply method using seawater battery5 May 2026US 12,620,602 B2Korea Institute of Ocean Science & Technology
- Salt water electrolyte battery10 Feb 2026US 12,548,782 B1HRL Laboratories, LLC
- Wake-up batteries for invasive biosensors24 Jun 2025US 12,336,818 B2DexCom, Inc.
- Hermetic seal in anode pouch for lithium-seawater electrochemical battery10 Dec 2024US 12,166,247 B1The United States of America as represented by the Secretary of the Navy
- Metal-seawater flow battery10 Apr 2025US 2025/0118726 A1
- Water activated batteries based on protected lithium electrodes26 Dec 2024US 2024/0429404 A1PolyPlus Battery Company
- Reuseable portable electric power generation apparatus and method of using7 Nov 2024US 2024/0372064 A1Wireless Electrical Grid LAN, WiGL Inc.
- Device for passive detection of events1 Feb 2024US 2024/0038044 A1Consejo Superior De Investigaciones Cientificas (Csic)
- Novel flow features for self-cleaning concentric tubular electrochemical cells21 Dec 2023US 2023/0406733 A1Evoqua Water Technolgoies LLC
Most cited
By later US patents
- Composite solid electrolyte for protection of active metal anodes128US 8,182,943 B2PolyPlus Battery Company · 2012
- Active metal/aqueous electrochemical cells and systems116US 8,202,649 B2PolyPlus Battery Company · 2012
- Active metal/aqueous electrochemical cells and systems111US 7,645,543 B2PolyPlus Battery Company · 2010
- Compliant seal structures for protected active metal anodes99US 7,824,806 B2PolyPlus Battery Company · 2010
- Substantially impervious lithium super ion conducting membranes95US 8,334,075 B2PolyPlus Battery Company · 2012