H01G 11/52
Separators
H01G11/52 (Separators) appears on 908 US grants and 1,299 published applications in this corpus.
Search patents in H01G- Granted patents
- 908
- Published applications
- 1,299
- Assignees
- 452
- Inventors
- 2,447
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 7 |
| 2002 | 20 | 11 |
| 2003 | 10 | 11 |
| 2004 | 7 | 8 |
| 2005 | 9 | 10 |
| 2006 | 8 | 18 |
| 2007 | 10 | 23 |
| 2008 | 8 | 16 |
| 2009 | 10 | 21 |
| 2010 | 10 | 33 |
| 2011 | 14 | 38 |
| 2012 | 18 | 32 |
| 2013 | 23 | 53 |
| 2014 | 27 | 61 |
| 2015 | 42 | 86 |
| 2016 | 41 | 81 |
| 2017 | 63 | 95 |
| 2018 | 64 | 89 |
| 2019 | 72 | 105 |
| 2020 | 75 | 95 |
| 2021 | 66 | 72 |
| 2022 | 63 | 77 |
| 2023 | 54 | 70 |
| 2024 | 57 | 69 |
| 2025 | 55 | 70 |
| 2026 | 29 | 48 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Laminate for electrochemical device and electrochemical device6 Oct 2026US 12,756,064 B2Zeon Corporation
- High-strength separator18 Aug 2026US 12,712,241 B2Asahi Kasei Battery Separator Corporation
- Methods and apparatus for providing storage cell for energy storage device11 Aug 2026US 12,706,253 B2Fastcap Ultracapacitors LLC
- Split cell nanocomposite supercapacitor21 Jul 2026US 12,688,979 B2Imam Abdulrahman Bin Faisal University
- Split cell electrode supercapacitor14 Jul 2026US 12,683,094 B2Imam Abdulrahman Bin Faisal University
- Separator with a ceramic-comprising separator layer8 Oct 2026US 2026/0312233 A1Sila Nanotechnologies, Inc.
- Interconnect Strip for an Ultracapacitor Module24 Sep 2026US 2026/0290711 A1KYOCERA AVX Components Corporation
- Separator for Power Storage Devices, and Power Storage Device17 Sep 2026US 2026/0279925 A1Asahi Kasei Kabushiki Kaisha
- Direct growth cross-linked carbon nanotubes on microstructured metal substrate for supercapacitor application10 Sep 2026US 2026/0269145 A1University of South-Eastern Norway
- Separator having section structure of high consistency and preparation method therefor10 Sep 2026US 2026/0269424 A1Sinoma Lithium Battery Separator Co., Ltd.
Most cited
By later US patents
- Charge storage device250US 6,631,072 B1Energy Storage Systems PTY LTD · 2003
- Protected active metal electrode and battery cell structures with non-aqueous interlayer architecture230US 7,282,295 B2PolyPlus Battery Company · 2007
- Protective coating for separators for electrochemical cells199US 6,183,901 B2Moltech Corporation · 2001
- Lithium battery having a protected lithium electrode and an ionic liquid catholyte138US 8,828,580 B2PolyPlus Battery Company · 2014
- Process of manufacturing porous separator for electrochemical power supply125US 5,882,721 A1999