H01M 6/50
Methods or arrangements for servicing or maintenance
Official title: Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature (constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals, H01M50/569)
H01M6/50 (Methods or arrangements for servicing or maintenance) appears on 1,208 US grants and 897 published applications in this corpus.
Search patents in H01M- Granted patents
- 1,208
- Published applications
- 897
- Assignees
- 584
- Inventors
- 2,469
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 11 | 0 |
| 1978 | 6 | 0 |
| 1979 | 9 | 0 |
| 1980 | 8 | 0 |
| 1981 | 13 | 0 |
| 1982 | 7 | 0 |
| 1983 | 19 | 0 |
| 1984 | 9 | 0 |
| 1985 | 8 | 0 |
| 1986 | 7 | 0 |
| 1987 | 14 | 0 |
| 1988 | 10 | 0 |
| 1989 | 8 | 0 |
| 1990 | 10 | 0 |
| 1991 | 8 | 0 |
| 1992 | 9 | 0 |
| 1993 | 19 | 0 |
| 1994 | 24 | 0 |
| 1995 | 35 | 0 |
| 1996 | 37 | 0 |
| 1997 | 41 | 0 |
| 1998 | 36 | 0 |
| 1999 | 34 | 0 |
| 2000 | 49 | 0 |
| 2001 | 61 | 22 |
| 2002 | 47 | 42 |
| 2003 | 48 | 39 |
| 2004 | 32 | 38 |
| 2005 | 17 | 39 |
| 2006 | 18 | 29 |
| 2007 | 11 | 28 |
| 2008 | 14 | 38 |
| 2009 | 15 | 37 |
| 2010 | 25 | 43 |
| 2011 | 23 | 34 |
| 2012 | 24 | 42 |
| 2013 | 28 | 47 |
| 2014 | 33 | 34 |
| 2015 | 35 | 54 |
| 2016 | 46 | 34 |
| 2017 | 34 | 46 |
| 2018 | 37 | 44 |
| 2019 | 42 | 43 |
| 2020 | 32 | 22 |
| 2021 | 34 | 41 |
| 2022 | 29 | 36 |
| 2023 | 25 | 14 |
| 2024 | 31 | 27 |
| 2025 | 19 | 20 |
| 2026 | 9 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01M 6/5044Cells or batteries structurally combined with cell condition indicating means381
- H01M 6/5038Heating or cooling of cells or batteries172
- H01M 6/5011For several cells simultaneously or successively145
- H01M 6/5077Regeneration of reactants or electrolyte65
- H01M 6/5033Used as charging means for another battery64
- H01M 6/5005Auxiliary electrodes61
- H01M 2006/5094Aspects relating to capacity ratio of electrolyte/electrodes or anode/cathodeIndexing code59
- H01M 6/5088Initial activation46
Recent patents
- Refuelable battery for the electric grid and method of using thereof15 Sep 2026US 12,738,509 B2Form Energy, Inc.
- Reusable battery indicator with electrical lock and key4 Aug 2026US 12,697,396 B2Duracell U.S. Operations, Inc.
- Coal ash thermal battery4 Aug 2026US 12,698,763 B2Scalia Technologies, LLC
- Battery management systems and methods9 Jun 2026US 12,651,755 B2The Boeing Company
- 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
- Low-Oxygen Facilities and Operating Thermal Batteries in Such Facilities26 Mar 2026US 2026/0088311 A1Fourth Power, Inc.
- Alkaline electrolyte regeneration5 Feb 2026US 2026/0035812 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
- Biodegradable battery system with modular energy pods1 Jan 2026US 2026/0005261 A1Magvolts Energy, Inc.
- Modular battery powered handheld surgical instrument and methods therefor25 Dec 2025US 2025/0387136 A1Cilag GmbH International
Most cited
By later US patents
- Hand held electromechanical surgical system including battery compartment diagnostic display1,087US 10,265,090 B2Covidien LP · 2019
- Modular battery powered handheld surgical instrument with variable motor control limits1,069US 10,537,351 B2Ethicon, Inc. · 2020
- Battery disposal and collection apparatus1,038US 5,651,821 ARicoh Company, Ltd. · 1997
- Hand held electromechanical surgical system including battery compartment diagnostic display702US 10,463,382 B2Covidien LP · 2019
- Method and apparatus for determining battery type and modifying operating characteristics688US 5,164,652 AMotorola, Inc. · 1992