H01M 50/449
Having a layered structure
Official title: having a layered structure
H01M50/449 (Having a layered structure) appears on 2,386 US grants and 4,401 published applications in this corpus.
Search patents in H01M- Granted patents
- 2,386
- Published applications
- 4,401
- Assignees
- 756
- Inventors
- 5,996
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 10 | 0 |
| 1998 | 15 | 0 |
| 1999 | 11 | 0 |
| 2000 | 13 | 0 |
| 2001 | 8 | 19 |
| 2002 | 19 | 19 |
| 2003 | 18 | 27 |
| 2004 | 22 | 21 |
| 2005 | 13 | 37 |
| 2006 | 11 | 35 |
| 2007 | 14 | 42 |
| 2008 | 8 | 36 |
| 2009 | 7 | 36 |
| 2010 | 39 | 63 |
| 2011 | 33 | 96 |
| 2012 | 34 | 109 |
| 2013 | 43 | 126 |
| 2014 | 46 | 162 |
| 2015 | 91 | 218 |
| 2016 | 99 | 194 |
| 2017 | 151 | 245 |
| 2018 | 160 | 205 |
| 2019 | 193 | 248 |
| 2020 | 204 | 252 |
| 2021 | 142 | 265 |
| 2022 | 149 | 302 |
| 2023 | 159 | 388 |
| 2024 | 219 | 420 |
| 2025 | 225 | 491 |
| 2026 | 154 | 345 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Garnet-type lithium-ion solid-state conductor6 Oct 2026US 12,756,004 B2Samsung Electronics Co., Ltd.
- Laminate for electrochemical device and electrochemical device6 Oct 2026US 12,756,064 B2Zeon Corporation
- Dry-process polyethylene membranes, coated membranes, separators, and related methods6 Oct 2026US 12,756,068 B2Celgard, LLC
- Separator and a method for manufacturing thereof6 Oct 2026US 12,756,069 B2BenQ Materials Corporation
- System and method for a self-protecting separator for a battery6 Oct 2026US 12,756,070 B2GM Global Technology Operations LLC
- Cohesively bonded, microporous multilayer films8 Oct 2026US 2026/0307378 A1Amtek Research International LLC
- Electrode assembly and method for manufacturing same8 Oct 2026US 2026/0312139 A1LG Energy Solution, Ltd.
- Battery cell and battery8 Oct 2026US 2026/0312150 A1Zhuhai Cosmx Battery Co., Ltd.
- Lithium Secondary Battery Having Excellent Thermal Safety And Method For Manufacturing The Same8 Oct 2026US 2026/0312232 A1LG Energy Solution, Ltd.
- Separator with a ceramic-comprising separator layer8 Oct 2026US 2026/0312233 A1Sila Nanotechnologies, Inc.
Most cited
By later US patents
- Protected active metal electrode and battery cell structures with non-aqueous interlayer architecture230US 7,282,295 B2PolyPlus Battery Company · 2007
- Electrochemical device separator structures with barrier layer on non-swelling membrane205US 7,070,632 B1PolyPlus Battery Company · 2006
- Protective coating for separators for electrochemical cells199US 6,183,901 B2Moltech Corporation · 2001
- Separator for a high energy rechargeable lithium battery178US 6,432,586 B1Celgard, LLC · 2002
- Lithium battery having a protected lithium electrode and an ionic liquid catholyte138US 8,828,580 B2PolyPlus Battery Company · 2014