Y02W 30/84
Recycling of batteries or fuel cells
Y02W30/84 (Recycling of batteries or fuel cells) appears on 893 US grants and 1,593 published applications in this corpus.
Search patents in Y02W- Granted patents
- 893
- Published applications
- 1,593
- Assignees
- 668
- Inventors
- 2,969
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 10 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 16 | 0 |
| 1996 | 12 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 1 |
| 2002 | 4 | 6 |
| 2003 | 7 | 6 |
| 2004 | 6 | 6 |
| 2005 | 3 | 6 |
| 2006 | 3 | 14 |
| 2007 | 6 | 14 |
| 2008 | 1 | 8 |
| 2009 | 6 | 22 |
| 2010 | 16 | 22 |
| 2011 | 6 | 24 |
| 2012 | 16 | 19 |
| 2013 | 19 | 35 |
| 2014 | 20 | 39 |
| 2015 | 26 | 30 |
| 2016 | 20 | 28 |
| 2017 | 31 | 36 |
| 2018 | 23 | 38 |
| 2019 | 37 | 53 |
| 2020 | 37 | 51 |
| 2021 | 42 | 91 |
| 2022 | 36 | 124 |
| 2023 | 64 | 230 |
| 2024 | 116 | 247 |
| 2025 | 119 | 240 |
| 2026 | 67 | 203 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and process for thermal treatment of raw material containing lithium compounds and phosphorus compounds, method of recovering lithium and/or phosphorus from residue material of lithium-ion batteries15 Sep 2026US 12,735,764 B2MontanuniversitäT Leoben
- Method for recovering valuable substance15 Sep 2026US 12,735,767 B2Dowa Eco-System Co., Ltd.
- Method for producing positive electrode active material25 Aug 2026US 12,715,784 B2Kyoto University
- Method for recovering valuable substance25 Aug 2026US 12,716,112 B2Dowa Eco-System Co., Ltd.
- Method for reusing active material using positive electrode scrap25 Aug 2026US 12,719,098 B2LG Energy Solution, Ltd.
- Classifier for positive electrode active material and method for regenerating lithium precursor by using same10 Sep 2026US 2026/0265070 A1SK Innovation Co., Ltd.
- Laser-supported disassembling of a battery arrangement27 Aug 2026US 2026/0249397 A1TRUMPF Laser- und Systemtechnik GmbH
- Saggar for apparatus for recycling of waste batteries27 Aug 2026US 2026/0251395 A1Rd Solution Co., Ltd
- Method for manufacturing lithium hydroxide20 Aug 2026US 2026/0242229 A1Idemitsu Kosan 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.
Most cited
By later US patents
- Battery disposal and collection apparatus1,038US 5,651,821 ARicoh Company, Ltd. · 1997
- Complete discharge device for lithium battery1,037US 6,270,916 B1Alcatel · 2001
- Process for recovery of the constituent materials from lead acid batteries117US 5,707,015 A1998
- Methods for electrochemical cell remediation82US 10,411,310 B224M Technologies, Inc. · 2019
- Method and electrode for electrochemical recovery of lithium value from aqueous solution77US 5,198,081 AJapan as represented by Director General of Agency of Industrial Science and Technology · 1993