F02M 21/0221
Fuel storage reservoirs
Official title: {Fuel storage reservoirs, e.g. cryogenic tanks}
F02M21/0221 (Fuel storage reservoirs) appears on 400 US grants and 467 published applications in this corpus.
Search patents in F02M- Granted patents
- 400
- Published applications
- 467
- Assignees
- 203
- Inventors
- 877
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 0 |
| 2002 | 6 | 9 |
| 2003 | 6 | 6 |
| 2004 | 6 | 12 |
| 2005 | 7 | 9 |
| 2006 | 7 | 9 |
| 2007 | 8 | 6 |
| 2008 | 11 | 12 |
| 2009 | 6 | 22 |
| 2010 | 10 | 11 |
| 2011 | 10 | 17 |
| 2012 | 7 | 11 |
| 2013 | 9 | 14 |
| 2014 | 11 | 29 |
| 2015 | 16 | 32 |
| 2016 | 21 | 27 |
| 2017 | 20 | 31 |
| 2018 | 20 | 28 |
| 2019 | 24 | 30 |
| 2020 | 22 | 16 |
| 2021 | 14 | 10 |
| 2022 | 13 | 16 |
| 2023 | 20 | 30 |
| 2024 | 21 | 30 |
| 2025 | 19 | 28 |
| 2026 | 13 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and method for vehicle thermal management28 Jul 2026US 12,692,812 B2
- Fuel system for a power plant26 May 2026US 12,637,988 B2Phinia Delphi Luxembourg Sarl
- System and method for recovery of redundant gaseous fuel from a gaseous fuel supply system19 May 2026US 12,631,157 B2Volvo Truck Corporation
- Internal combustion engine12 May 2026US 12,624,669 B2Innio Jenbacher GmbH & Co OG
- Controller for internal combustion engine5 May 2026US 12,618,379 B2Toyota Jidosha Kabushiki Kaisha
- Hydrogen Supply System for an Internal Combustion Engine8 Oct 2026US 2026/0309107 A1Robert Bosch GmbH
- Fuel supply system, and vehicle1 Oct 2026US 2026/0298160 A1Isuzu Motors Limited
- Integrated fuel supply and injection system suitable for ammonia-hydrogen blending1 Oct 2026US 2026/0298180 A1Tianjin University
- Method for operating a tank unit, and tank unit for storing a gaseous fuel24 Sep 2026US 2026/0286918 A1Robert Bosch GmbH
- Fuel tank arrangement, marine vessel and method for cooling fuel comprising ammonia20 Aug 2026US 2026/0242047 A1WäRtsilä Finland Oy
Most cited
By later US patents
- Method and apparatus for operating a dual fuel internal combustion engine226US 7,627,416 B2Westport Power Inc. · 2009
- LNG delivery system for gas powered vehicles117US 5,127,230 AMinnesota Valley Engineering, Inc. · 1992
- Multifuel storage, metering and ignition system92US 7,628,137 B12009
- Control module for natural gas fuel supply for a vehicle90US 6,041,762 AImpco Technologies, Inc. · 2000
- Fuel system for a vehicle77US 9,694,671 B2Oshkosh Corporation · 2017