H01M 8/0256
Vias, i.e. connectors passing through the separator material
H01M8/0256 (Vias, i.e. connectors passing through the separator material) appears on 157 US grants and 213 published applications in this corpus.
Search patents in H01M- Granted patents
- 157
- Published applications
- 213
- Assignees
- 122
- Inventors
- 495
- Latest grant
- 12 May 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 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 6 |
| 2003 | 3 | 13 |
| 2004 | 2 | 11 |
| 2005 | 8 | 17 |
| 2006 | 6 | 16 |
| 2007 | 3 | 19 |
| 2008 | 8 | 11 |
| 2009 | 5 | 7 |
| 2010 | 14 | 5 |
| 2011 | 8 | 9 |
| 2012 | 8 | 3 |
| 2013 | 8 | 10 |
| 2014 | 3 | 6 |
| 2015 | 2 | 5 |
| 2016 | 6 | 8 |
| 2017 | 1 | 9 |
| 2018 | 14 | 3 |
| 2019 | 5 | 7 |
| 2020 | 6 | 7 |
| 2021 | 5 | 5 |
| 2022 | 5 | 9 |
| 2023 | 2 | 5 |
| 2024 | 6 | 11 |
| 2025 | 6 | 7 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Bipolar plate for an electrochemical cell, arrangement of electrochemical cells, and method for operating an arrangement of electrochemical cells28 Apr 2026US 12,614,738 B2Robert Bosch GmbH
- Separator plate with a homogenized bead strength in the port region11 Nov 2025US 12,469,855 B2Reinz-Dichtungs-GmbH
- Fuel cell module, fuel cell stack, and manufacturing method of fuel cell module20 May 2025US 12,308,486 B2Panasonic Intellectual Property Management Co., Ltd.
- Fuel cell19 Mar 2026US 2026/0081197 A1Toyota Jidosha Kabushiki Kaisha
- Membrane electrode assembly utilizing stamped bipolar plate arrangement29 Jan 2026US 2026/0028731 A1JTEKT Bearings North America LLC
- Separator plate for an electrochemical system31 Jul 2025US 2025/0246643 A1Reinz-Dichtungs-GmbH
- Fuel cell apparatus24 Jul 2025US 2025/0239631 A1Hyundai Motor Company
- Liquid powered and cooled microfluidics photonics architecture24 Jul 2025US 2025/0240100 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- Plastic platelet fuel cells employing integrated fluid management91US 5,863,671 AH Power Corporation · 1999
- Fuel cell platelet separators having coordinate features70US 6,051,331 AH Power Corporation · 2000
- Solid oxide fuel cell structures64US 5,827,620 AKeele University · 1998
- High performance ceramic fuel cell interconnect with integrated flowpaths and method for making same61US 6,949,307 B2SFCo-EFS Holdings, LLC · 2005
- Bipolar battery plate58US 4,542,082 ACalifornia Institute of Technology · 1985