F04C 2210/1055
Hydrogen
Official title: Hydrogen (H2)
F04C2210/1055 (Hydrogen) appears on 8 US grants and 10 published applications in this corpus.
Search patents in F04C- Granted patents
- 8
- Published applications
- 10
- Assignees
- 5
- Inventors
- 27
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 3 |
| 2024 | 3 | 1 |
| 2025 | 1 | 0 |
By publication year.
Recent patents
- Energy transfer machine for corrosive fluids25 Mar 2025US 12,258,967 B2Genesis Advanced Technology Inc.
- Roots pump containing rotors that capture and discharge a foreign substance7 May 2024US 11,976,656 B2Kabushiki Kaisha Toyota Jidoshokki
- Energy transfer machine for corrosive fluids23 Apr 2024US 11,965,509 B2Genesis Advanced Technology Inc.
- Device for recirculating an at least partially gaseous composition containing hydrogen and fuel cell system16 Apr 2024US 11,959,478 B2Busch Produktions GmbH
- Motor-driven roots pump with smooth activation in low-temperature environment2 Aug 2022US 11,401,936 B2Kabushiki Kaisha Toyota Jidoshokki
- Energy transfer machine for corrosive fluids15 Aug 2024US 2024/0271618 A1Genesis Advanced Technology Inc.
- Roots pump28 Sep 2023US 2023/0304497 A1Kabushiki Kaisha Toyota Jidoshokki
- Energy transfer machine for corrosive fluids31 Aug 2023US 2023/0272794 A1Genesis Advanced Technology Inc.
- Device for recirculating an at least partially gaseous composition containing hydrogen and fuel cell system19 Jan 2023US 2023/0013325 A1Busch Produktions GmbH
- Motor-driven roots pump28 Jan 2021US 2021/0025388 A1Kabushiki Kaisha Toyota Jidoshokki
Most cited
By later US patents