H01G 11/20
Reformation or processes for removal of impurities
Official title: Reformation or processes for removal of impurities, e.g. scavenging
H01G11/20 (Reformation or processes for removal of impurities) appears on 72 US grants and 100 published applications in this corpus.
Search patents in H01G- Granted patents
- 72
- Published applications
- 100
- Assignees
- 62
- Inventors
- 251
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 3 |
| 2006 | 0 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 0 |
| 2009 | 3 | 6 |
| 2010 | 3 | 2 |
| 2011 | 2 | 1 |
| 2012 | 3 | 8 |
| 2013 | 2 | 1 |
| 2014 | 3 | 5 |
| 2015 | 2 | 4 |
| 2016 | 3 | 4 |
| 2017 | 2 | 9 |
| 2018 | 2 | 3 |
| 2019 | 7 | 4 |
| 2020 | 0 | 3 |
| 2021 | 1 | 12 |
| 2022 | 5 | 5 |
| 2023 | 4 | 5 |
| 2024 | 5 | 8 |
| 2025 | 10 | 5 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Nanoporous separators for batteries and related manufacturing methods2 Apr 2026US 2026/0094936 A1LG Energy Solution, Ltd.
- Ceramic-modified, acid-scavenging polyolefin separators22 Jan 2026US 2026/0024877 A1Amtek Research International LLC
- Power storage module29 May 2025US 2025/0174817 A1Panasonic Intellectual Property Management Co., Ltd.
- Electricity storage pack24 Apr 2025US 2025/0132451 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Method of construction of electrochemical cell device using capillary tubing and optional permselective polymers123US 6,174,337 B1Pinnacle Research Institute, Inc. · 2001
- Carbon-porous media composite electrode and preparation method thereof38US 7,505,250 B2Korea Institute of Science and Technology · 2009
- Ionic conducting material having good anticorrosive properties35US 5,916,475 ACentre National De La Recherche Scientifique · 1999
- Superhigh purity ionic liquid31US 7,605,271 B2Dai-Ichi Kogyo Seiyaku Co., Ltd. · 2009
- Drying an ultracapacitor25US 6,152,970 AGeneral Electric Company · 2000