H01M 10/484
For measuring electrolyte level, electrolyte density or electrolyte conductivity
Official title: {for measuring electrolyte level, electrolyte density or electrolyte conductivity}
H01M10/484 (For measuring electrolyte level, electrolyte density or electrolyte conductivity) appears on 216 US grants and 230 published applications in this corpus.
Search patents in H01M- Granted patents
- 216
- Published applications
- 230
- Assignees
- 164
- Inventors
- 627
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 2 |
| 2004 | 3 | 4 |
| 2005 | 1 | 2 |
| 2006 | 0 | 4 |
| 2007 | 2 | 3 |
| 2008 | 2 | 1 |
| 2009 | 2 | 2 |
| 2010 | 2 | 8 |
| 2011 | 3 | 6 |
| 2012 | 5 | 3 |
| 2013 | 2 | 11 |
| 2014 | 7 | 5 |
| 2015 | 5 | 10 |
| 2016 | 9 | 9 |
| 2017 | 6 | 15 |
| 2018 | 10 | 19 |
| 2019 | 13 | 15 |
| 2020 | 16 | 9 |
| 2021 | 9 | 12 |
| 2022 | 11 | 17 |
| 2023 | 14 | 22 |
| 2024 | 12 | 17 |
| 2025 | 12 | 18 |
| 2026 | 8 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and device for detecting abnormality in alignment of battery cell type electrodes1 Sep 2026US 12,725,846 B2SK On Co., Ltd.
- Secondary battery system16 Jun 2026US 12,656,404 B2Denso Corporation
- Non-invasive advanced sensory system for real-time monitoring and diagnosis of electrolyzers, electrolytes and a lithium-ion battery (LIB)2 Jun 2026US 12,644,865 B2Honeywell International Inc.
- Battery diagnosis device, battery diagnosis method, battery pack and electric vehicle19 May 2026US 12,631,684 B2LG Energy Solution, Ltd.
- Techniques for charging a portable communication device using an accessory device21 Apr 2026US 12,609,371 B1Relay, Inc.
- Self-maintained lead acid battery system and method1 Oct 2026US 2026/0302395 A1Saudi Arabian Oil Company
- Apparatus, battery pack, and battery-cell determination method17 Sep 2026US 2026/0279933 A1Sony Group Corporation
- Charging and discharging apparatus, method for controlling the same, and charging and discharging system including the same17 Sep 2026US 2026/0279940 A1SK On Co., Ltd.
- Method of determining recyclability of electrode of secondary battery and program for determining recyclability of electrode of secondary battery20 Aug 2026US 2026/0243838 A1Maxell, Ltd.
- Short Circuit Sign Detection System and Short Circuit Sign Detection Method6 Aug 2026US 2026/0227448 A1Nissan Motor Co., Ltd.
Most cited
By later US patents
- Method and apparatus for monitoring the state of charge of a battery191US 5,488,300 A1996
- Storage battery with indicating device114US 4,874,679 AMiyagawa Kasei Industry Co., Ltd. · 1989
- Power supply system, electric vehicle with power supply system mounted thereon, and method of regulating amount of fuel supply90US 5,964,309 AAisin Aw Co., Ltd. · 1999
- Energy conversion69US 4,069,371 AGEL, Inc. · 1978
- Visual and electronic battery hydrometer36US 3,954,010 AIllinois Tool Works Inc. · 1976