B63H 2021/003
The power plant using fuel cells for energy supply or accumulation
Official title: {the power plant using fuel cells for energy supply or accumulation, e.g. for buffering photovoltaic energy}
B63H2021/003 (The power plant using fuel cells for energy supply or accumulation) appears on 57 US grants and 82 published applications in this corpus.
Search patents in B63H- Granted patents
- 57
- Published applications
- 82
- Assignees
- 42
- Inventors
- 157
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 5 |
| 2005 | 4 | 3 |
| 2006 | 2 | 8 |
| 2007 | 1 | 4 |
| 2008 | 4 | 0 |
| 2009 | 2 | 0 |
| 2010 | 0 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 2 |
| 2013 | 0 | 1 |
| 2014 | 3 | 2 |
| 2015 | 1 | 5 |
| 2016 | 2 | 3 |
| 2017 | 6 | 3 |
| 2018 | 1 | 4 |
| 2019 | 1 | 4 |
| 2020 | 5 | 0 |
| 2021 | 3 | 1 |
| 2022 | 0 | 11 |
| 2023 | 3 | 1 |
| 2024 | 1 | 10 |
| 2025 | 9 | 7 |
| 2026 | 5 | 4 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Air supply apparatus for a ship, ship including the same, and method of supplying air to an air lubrication device16 Jun 2026US 12,654,832 B2Accelleron Switzerland Ltd.
- Air supply apparatus for a ship, ship including the same, and method of supplying air to an air lubrication device14 Apr 2026US 12,600,453 B2Accelleron Switzerland Ltd.
- Systems and methods for monitoring battery range for an electric marine propulsion system7 Apr 2026US 12,595,032 B2Brunswick Corporation
- Fuel cell ship24 Mar 2026US 12,583,570 B2Yanmar Holdings Co., Ltd.
- Fuel cell ship17 Feb 2026US 12,552,271 B2Yanmar Holdings Co., Ltd.
- Cycloidal marine propulsion system1 Oct 2026US 2026/0296621 A1
- Fuel cell watercraft6 Aug 2026US 2026/0225702 A1Suzuki Motor Corporation
- Fuel cell ship25 Jun 2026US 2026/0175956 A1Yanmar Holdings Co., Ltd.
- Modular swath vessel4 Jun 2026US 2026/0152255 A1Acua Ocean Limited
- Fuel cell ship4 Dec 2025US 2025/0372670 A1Yanmar Holdings Co., Ltd.
Most cited
By later US patents
- Autonomous vehicle with fuel cell and autonomous flushing system20US 8,123,577 B2Argopower, LLC · 2012
- Clean energy powered surfboards19US 8,070,544 B22011
- Power generation system using a combustion system and a fuel cell17US 6,978,617 B2Lockheed Martin Corporation · 2005
- Power generation, distribution, and on-board power supply system for low-emissive surface marine (navy) ships of different classes and sizes15US 7,544,108 B2Siemens Aktiengesellschaft · 2009
- Autonomous vehicle with fuel cell and autonomous flushing system10US 8,814,616 B2Argopower, LLC · 2014