F02B 53/10
Fuel supply
Official title: Fuel supply; Introducing fuel to combustion space
F02B53/10 (Fuel supply) appears on 207 US grants and 155 published applications in this corpus.
Search patents in F02B- Granted patents
- 207
- Published applications
- 155
- Assignees
- 62
- Inventors
- 243
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 17 | 0 |
| 1978 | 14 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 2 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 2 |
| 2012 | 1 | 2 |
| 2013 | 4 | 8 |
| 2014 | 2 | 13 |
| 2015 | 10 | 8 |
| 2016 | 10 | 18 |
| 2017 | 6 | 13 |
| 2018 | 19 | 17 |
| 2019 | 17 | 9 |
| 2020 | 19 | 10 |
| 2021 | 9 | 13 |
| 2022 | 11 | 8 |
| 2023 | 8 | 6 |
| 2024 | 12 | 5 |
| 2025 | 5 | 8 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Combined sealing piece, volumetric machine and wide fuel engine18 Nov 2025US 12,473,872 B2
- Aircraft power plant8 Jul 2025US 12,351,322 B2Pratt & Whitney Canada Corp.
- Rotary machine17 Sep 2026US 2026/0275868 A1Lumenium LLC
- Rotary engine with internal arc-sector actuation27 Aug 2026US 2026/0251090 A1
- Engine Systems and Methods of Their Use12 Mar 2026US 2026/0071596 A1Alpha Portfolio LLC
- Member Profile Population2 Oct 2025US 2025/0305444 A1Edatanetworks Inc.
- Rotational engine18 Sep 2025US 2025/0290419 A1Duplicent, LLC
Most cited
By later US patents
- Internal combustion engine43US 3,980,064 ANissan Motor Co., Ltd. · 1976
- Rotary energy converter with respiring chambers40US 4,106,472 A1978
- Precombustion chamber rotary piston diesel engine38US 3,957,021 ACurtiss-Wright Corporation · 1976
- Combined fuel engine36US 4,876,988 A1989
- Rotary engine and method of operation36US 5,720,251 A1998