F02M 21/0224
Secondary gaseous fuel storages
Official title: {Secondary gaseous fuel storages}
F02M21/0224 (Secondary gaseous fuel storages) appears on 150 US grants and 157 published applications in this corpus.
Search patents in F02M- Granted patents
- 150
- Published applications
- 157
- Assignees
- 103
- Inventors
- 367
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 6 |
| 2003 | 4 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 5 |
| 2006 | 4 | 5 |
| 2007 | 4 | 2 |
| 2008 | 5 | 7 |
| 2009 | 1 | 8 |
| 2010 | 0 | 5 |
| 2011 | 4 | 7 |
| 2012 | 3 | 5 |
| 2013 | 7 | 5 |
| 2014 | 4 | 10 |
| 2015 | 5 | 7 |
| 2016 | 10 | 7 |
| 2017 | 3 | 9 |
| 2018 | 8 | 7 |
| 2019 | 7 | 6 |
| 2020 | 7 | 4 |
| 2021 | 4 | 5 |
| 2022 | 4 | 7 |
| 2023 | 5 | 7 |
| 2024 | 9 | 9 |
| 2025 | 8 | 12 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- 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
- Gaseous fuel supply system for a clean combustion engine of a vehicle21 Apr 2026US 12,607,159 B2Volvo Truck Corporation
- Hydrogen gas supply system17 Mar 2026US 12,580,210 B2Volvo Truck Corporation
- Ammonia cracking for multi-fuel engines17 Feb 2026US 12,552,419 B2Cummins Power Generation Inc.
- Fuel injection system for an internal combustion engine of a vehicle and a fuel injection method20 Aug 2026US 2026/0243192 A1Volvo Truck Corporation
- Ammonia cracking for multi-fuel engines4 Jun 2026US 2026/0152212 A1Cummins Power Generation Inc.
- Hydrogen fueling systems and methods16 Apr 2026US 2026/0103069 A1Cummins Inc.
- Apparatus and method for pressurizing and supplying gaseous fuel to an internal combustion engine26 Mar 2026US 2026/0085643 A1Cespira Canada Limited Partnership
- System for supplying high-pressure gaseous hydrogen fuel19 Mar 2026US 2026/0078720 A1Volvo Truck Corporation
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
- Gaseous hydrocarbon fuel storage system and power plant for vehicles and associated refueling apparatus61US 4,522,159 AMichigan Consolidated Gas Company · 1985
- Gas fuel supply mechanism for gas combustion engine58US 5,611,316 AHonda Giken Kogyo Kabushiki Kaisha · 1997
- Method and apparatus for utilizing gaseous and liquid fuels in an internal combustion engine49US 5,816,224 AWelsh Technologies, Inc. · 1998