H01M 8/004
Cylindrical, tubular or wound
Official title: {Cylindrical, tubular or wound}
H01M8/004 (Cylindrical, tubular or wound) appears on 207 US grants and 298 published applications in this corpus.
Search patents in H01M- Granted patents
- 207
- Published applications
- 298
- Assignees
- 138
- Inventors
- 545
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 3 | 0 |
| 2003 | 1 | 5 |
| 2004 | 2 | 3 |
| 2005 | 3 | 5 |
| 2006 | 3 | 9 |
| 2007 | 2 | 13 |
| 2008 | 4 | 17 |
| 2009 | 5 | 21 |
| 2010 | 6 | 14 |
| 2011 | 8 | 11 |
| 2012 | 16 | 25 |
| 2013 | 13 | 24 |
| 2014 | 13 | 20 |
| 2015 | 17 | 18 |
| 2016 | 22 | 24 |
| 2017 | 13 | 8 |
| 2018 | 7 | 15 |
| 2019 | 14 | 13 |
| 2020 | 14 | 8 |
| 2021 | 8 | 6 |
| 2022 | 6 | 7 |
| 2023 | 8 | 8 |
| 2024 | 8 | 7 |
| 2025 | 4 | 8 |
| 2026 | 4 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Unique electrodes for electrochemical cells21 Jul 2026US 12,689,047 B2Global Energy Science, LLC
- Battery storage container and method of use12 May 2026US 12,626,992 B2Dragon Q Energy LLC
- Tubular polymer electrolyte membrane fuel cell stack31 Mar 2026US 12,592,397 B2Institute for Basic Science
- Propulsion system for an aircraft, said propulsion system comprising a reversible fuel cell27 Jan 2026US 12,534,211 B2Airbus SAS
- Integrated waste reduction system28 Oct 2025US 12,456,743 B2Black & Veatch Holding Company
- Methods and systems for commercially producing tubular solid oxide fuel cells1 Oct 2026US 2026/0302269 A1WATT Fuel Cell Corp.
- Energy conversion arrangement with pre-heating duct for reactant gas, as well as energy system and apparatus comprising same27 Aug 2026US 2026/0253917 A1Airbus Operations GmbH
- Method and System for Rebalancing Electrolytes in a Redox Flow Battery System18 Jun 2026US 2026/0171454 A1Ess Tech, Inc.
- Battery storage container and method of use28 May 2026US 2026/0149113 A1Dragon Q Energy LLC
- Integrated fuel reforming reactor and fuel cell electricity generation device and method21 May 2026US 2026/0142209 A1WATT Fuel Cell Corp.
Most cited
By later US patents
- Microcell electrochemical device assemblies with thermal management subsystem, and method of making and using the same75US 6,444,339 B1Microcell Corporation · 2002
- Structures and fabrication techniques for solid state electrochemical devices56US 6,605,316 B1The Regents of the University of California · 2003
- Structures and fabrication techniques for solid state electrochemical devices53US 7,351,488 B2The Regents of the University of California · 2008
- Solid oxide fuel cell systems with hot zones having improved reactant distribution48US 8,304,122 B2Protonex Technology Corporation · 2012
- Solid oxide fuel cell systems with improved gas channeling and heat exchange33US 8,309,270 B2Cp Sofc IP, LLC · 2012