B64G 1/423
Fuel cells
Official title: {Fuel cells}
B64G1/423 (Fuel cells) appears on 14 US grants and 16 published applications in this corpus.
Search patents in B64G- Granted patents
- 14
- Published applications
- 16
- Assignees
- 16
- Inventors
- 40
- Latest grant
- 16 Apr 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 1 | 0 |
| 2020 | 2 | 1 |
| 2021 | 1 | 4 |
| 2022 | 3 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Pulsed e-field propulsion system16 Apr 2024US 11,961,666 B2
- Rocket propulsion system, method, and spacecraft13 Feb 2024US 11,897,636 B2Arianegroup SAS
- Thermal management using endothermic heat sink8 Nov 2022US 11,493,279 B2The United States of America as represented by the Secretary of the Air Force
- Integration of fuel cell with cryogenic source for cooling and reactant4 Oct 2022US 11,459,130 B2The Boeing Company
- Space mission energy management architecture16 Aug 2022US 11,414,219 B2Momentus Space LLC
- Regenerative fuel cell system20 Nov 2025US 2025/0357512 A1Toyota Jidosha Kabushiki Kaisha
- Chemical-Microwave-Electrothermal Thruster18 Jan 2024US 2024/0018951 A1Momentus Space LLC
- Space Mission Energy Management Architecture6 Oct 2022US 2022/0315251 A1Momentus Space LLC
- Rocket propulsion system, method, and spacecraft28 Apr 2022US 2022/0127019 A1Arianegroup SAS
- Space Mission Energy Management Architecture1 Jul 2021US 2021/0197989 A1Momentus Inc.
Most cited
By later US patents
- Inflatable satellite bus14US 6,962,310 B1Bigelow Aerospace · 2005
- Separation of gaseous hydrogen from a water-hydrogen mixture in a fuel cell power system operating in a weightless environment10US 4,800,138 AInternational Fuel Cells Corporation · 1989
- Energy unit, cabin movement and vehicle, as well as a method for supplying the cabin of a vehicle with a process material7US 10,112,718 B2Diehl Aerospace GmbH · 2018
- Thermal management using endothermic heat sink6US 10,578,369 B1The United States of America as represented by the Secretary of the Air Force · 2020
- Integration of fuel cell with cryogenic source for cooling and reactant2US 10,654,592 B2The Boeing Company · 2020