F02B 2201/064
Liquid and gas
F02B2201/064 (Liquid and gas) appears on 36 US grants and 27 published applications in this corpus.
Search patents in F02B- Granted patents
- 36
- Published applications
- 27
- Assignees
- 25
- Inventors
- 64
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 3 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 3 | 2 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 3 | 0 |
| 2019 | 1 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 3 |
| 2023 | 4 | 4 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture7 Jul 2026US 12,674,409 B2Climate Energy Investments, LLC
- Inverter generator27 Aug 2024US 12,074,503 B2Briggs & Stratton Corporation
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture9 Apr 2024US 11,952,936 B1ClearFlame Engines, Inc.
- Methods and systems for multi-fuel engine startup8 Aug 2023US 11,719,154 B2Transportation IP Holdings, LLC
- Inverter generator18 Jul 2023US 11,705,779 B2Briggs & Stratton Corporation
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture23 Jan 2025US 2025/0027440 A1ClearFlame Engines, Inc.
- Inverter generator23 Nov 2023US 2023/0378849 A1Briggs & Stratton Corporation
- Methods and systems for multi-fuel engine startup18 May 2023US 2023/0151764 A1Transportation IP Holdings, LLC
- Cold Start for High-Octane Fuels in a Diesel Engine Architecture27 Apr 2023US 2023/0129315 A1ClearFlame Engines, Inc.
- Methods and systems for multi-fuel engine16 Mar 2023US 2023/0081493 A1Transportation IP Holdings, LLC
Most cited
By later US patents
- Bi-fuel control system and retrofit assembly for diesel engines231US 6,543,395 B2Gas Technologies LLC · 2003
- Gas-diesel dual fuel engine64US 4,603,674 AYanmar Diesel Engine Co., Ltd. · 1986
- Homogeneous charge compression ignition dual fuel engine and method for operation61US 6,463,907 B1Caterpillar Inc. · 2002
- Bi-fuel control system and assembly for reciprocating diesel engine powered electric generators58US 6,250,260 B12001
- Dual-fuel control/monitoring system57US 6,003,478 AITG Innovative Technology Group Corporation · 1999