H01G 11/34
Characterised by carbonisation or activation of carbon
Official title: characterised by carbonisation or activation of carbon
H01G11/34 (Characterised by carbonisation or activation of carbon) appears on 568 US grants and 726 published applications in this corpus.
Search patents in H01G- Granted patents
- 568
- Published applications
- 726
- Assignees
- 370
- Inventors
- 1,643
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 17 | 0 |
| 2000 | 10 | 0 |
| 2001 | 12 | 1 |
| 2002 | 9 | 18 |
| 2003 | 15 | 18 |
| 2004 | 11 | 14 |
| 2005 | 2 | 18 |
| 2006 | 13 | 17 |
| 2007 | 10 | 20 |
| 2008 | 6 | 20 |
| 2009 | 7 | 26 |
| 2010 | 14 | 31 |
| 2011 | 20 | 28 |
| 2012 | 24 | 24 |
| 2013 | 13 | 31 |
| 2014 | 17 | 22 |
| 2015 | 18 | 43 |
| 2016 | 25 | 46 |
| 2017 | 36 | 59 |
| 2018 | 39 | 32 |
| 2019 | 38 | 44 |
| 2020 | 37 | 31 |
| 2021 | 12 | 33 |
| 2022 | 21 | 20 |
| 2023 | 27 | 30 |
| 2024 | 29 | 39 |
| 2025 | 29 | 38 |
| 2026 | 13 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Activated carbon production and methods therefor22 Sep 2026US 12,741,875 B2Atlas Power Technologies Inc.
- Riding lawn mower7 Jul 2026US 12,672,607 B2Nanjing Chervon Industry Co., Ltd.
- Interconnect strip for an ultracapacitor module16 Jun 2026US 12,658,379 B2KYOCERA AVX Components Corporation
- Flexible energy storage device with carbon electrodes2 Jun 2026US 12,646,658 B2Imam Abdulrahman Bin Faisal University
- Biomass-derived carbon12 May 2026US 12,626,924 B2Sila Nanotechnologies, Inc.
- Interconnect Strip for an Ultracapacitor Module24 Sep 2026US 2026/0290711 A1KYOCERA AVX Components Corporation
- Capacitor and electrode active material10 Sep 2026US 2026/0269144 A1Panasonic Intellectual Property Management Co., Ltd.
- Polyvinyl alcohol, lithium sulfate, and 1-butyl-3-methylimidazolium trifluoromethanesulfonate gel electrolyte10 Sep 2026US 2026/0269147 A1King Fahd University of Petroleum and Minerals
- Method for treating activated carbon and activated carbon treated by said method20 Aug 2026US 2026/0242227 A1Irpc Public Company Limited
- Electrode material for hybrid sodium ion capacitor including three-dimensional porous carbon composite doped with heterogeneous elements13 Aug 2026US 2026/0234000 A1Korea Advanced Institute of Science and Technology
Most cited
By later US patents
- Carbon supercapacitor electrode materials219US 5,993,996 AInorganic Specialists, Inc. · 1999
- Supercapacitor and a method of manufacturing such a supercapacitor208US 6,697,249 B2FOC Frankenburg Oil Company · 2004
- Supercapacitors based on carbon foams189US 5,260,855 A1993
- Supercapacitor having electrode material comprising single-wall carbon nanotubes and process for making the same150US 7,061,749 B2Georgia Tech Research Corporation · 2006
- Electric double layer capacitor142US 4,862,328 AAsahi Glass Company, Limited · 1989