F02B 2201/04
Gas
F02B2201/04 (Gas) appears on 13 US grants and 20 published applications in this corpus.
Search patents in F02B- Granted patents
- 13
- Published applications
- 20
- Assignees
- 13
- Inventors
- 50
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 2 |
| 2022 | 0 | 3 |
| 2023 | 3 | 7 |
| 2024 | 1 | 3 |
| 2025 | 6 | 3 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hydrogen engine10 Feb 2026US 12,546,248 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Internal combustion engine2 Dec 2025US 12,486,795 B2JCB Research
- Systems and methods for a hydrogen zero emissions vehicle2 Dec 2025US 12,486,796 B2Nabors Energy Transition Solutions LLC
- Internal combustion engine25 Nov 2025US 12,480,436 B2JCB Research
- Hydrogen-oxygen cycle engine and using method therefor22 Jul 2025US 12,366,198 B2
- Internal combustion engine with hydrogen direct injection18 Dec 2025US 2025/0382911 A1Dumarey Automotive Italia S.p.A.
- Engine device20 Nov 2025US 2025/0354527 A1Yanmar Holdings Co., Ltd.
- Hydrogen engine14 Aug 2025US 2025/0257684 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Cylinder head for an internal combustion engine and an internal combustion engine with such a cylinder head27 Jun 2024US 2024/0209770 A1
- Hydrogen-oxygen cycle engine and using method therefor2 May 2024US 2024/0141825 A1
Most cited
By later US patents
- Internal combustion engine for gaseous fuel2US 11,840,984 B2Volvo Truck Corporation · 2023
- Systems and methods for a hydrogen zero emissions vehicle1US 11,761,375 B2Nabors Energy Transition Solutions LLC · 2023
- Hydrogen supply device and hydrogen engine vehicle1US 12,055,092 B1Toyota Jidosha Kabushiki Kaisha · 2024