H01M 8/2418
Grouping by arranging unit cells in a plane
Official title: Grouping by arranging unit cells in a plane (H01M8/2425, H01M8/244 take precedence)
H01M8/2418 (Grouping by arranging unit cells in a plane) appears on 198 US grants and 241 published applications in this corpus.
Search patents in H01M- Granted patents
- 198
- Published applications
- 241
- Assignees
- 143
- Inventors
- 581
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 1 |
| 2002 | 6 | 8 |
| 2003 | 2 | 6 |
| 2004 | 5 | 12 |
| 2005 | 4 | 18 |
| 2006 | 4 | 19 |
| 2007 | 4 | 19 |
| 2008 | 7 | 22 |
| 2009 | 10 | 13 |
| 2010 | 12 | 12 |
| 2011 | 9 | 13 |
| 2012 | 8 | 3 |
| 2013 | 9 | 7 |
| 2014 | 14 | 11 |
| 2015 | 3 | 9 |
| 2016 | 8 | 7 |
| 2017 | 6 | 7 |
| 2018 | 4 | 6 |
| 2019 | 7 | 4 |
| 2020 | 6 | 12 |
| 2021 | 5 | 5 |
| 2022 | 9 | 8 |
| 2023 | 6 | 6 |
| 2024 | 1 | 4 |
| 2025 | 4 | 8 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Membrane-electrode assembly and manufacturing method therefor7 Jul 2026US 12,676,323 B2Kolon Industries, Inc.
- Fuel cell array and fuel cell inspection method2 Jun 2026US 12,646,734 B2Hitachi High-Tech Corporation
- Fuel cell stack and clamp24 Feb 2026US 12,562,397 B2Hyundai Motor Company
- Raised feed channels to maintain planar bipolar plate alignment10 Feb 2026US 12,548,784 B2Hydrogenics Corporation
- Method for producing a multi-layer bipolar plate for an electrochemical device and bipolar plate for an electrochemical device11 Nov 2025US 12,469,858 B2EKPO Fuel Cell Technologies GmbH
- Fuel cell for a fuel cell stack11 Jun 2026US 2026/0163024 A1MTU Aero Engines AG
- Connection unit for a cell stack25 Dec 2025US 2025/0391897 A1H2i GreenHydrogen GmbH
- Electrochemical cell, electrochemical cell device, module, and module housing device18 Dec 2025US 2025/0385278 A1KYOCERA Corporation
- Electrochemical assembly6 Nov 2025US 2025/0343254 A1
- Fuel cell stack2 Oct 2025US 2025/0309284 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Fuel cell and power chip technology97US 6,312,846 B1Integrated Fuel Cell Technologies, Inc. · 2001
- Tubular fuel cell assembly and method of manufacture80US 6,007,932 AGore Enterprise Holdings, Inc. · 1999
- Method for the fabrication of electrochemical cells71US 6,086,643 ANational Power PLC · 2000
- Electrochemical cell system with side-by-side arrangement of cells69US 5,989,741 AE. I. Du Pont de Nemours and Company · 1999
- Battery shaped as a membrane strip containing several cells62US 5,861,221 AFraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V. · 1999