F02M 69/044
For injecting into the intake conduit downstream of an air throttle valve
Official title: {for injecting into the intake conduit downstream of an air throttle valve}
F02M69/044 (For injecting into the intake conduit downstream of an air throttle valve) appears on 430 US grants and 284 published applications in this corpus.
Search patents in F02M- Granted patents
- 430
- Published applications
- 284
- Assignees
- 141
- Inventors
- 821
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 8 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 10 | 0 |
| 1989 | 10 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 11 | 0 |
| 1993 | 14 | 0 |
| 1994 | 10 | 0 |
| 1995 | 7 | 0 |
| 1996 | 17 | 0 |
| 1997 | 17 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 7 | 9 |
| 2002 | 10 | 18 |
| 2003 | 18 | 10 |
| 2004 | 15 | 23 |
| 2005 | 18 | 29 |
| 2006 | 18 | 28 |
| 2007 | 20 | 25 |
| 2008 | 16 | 13 |
| 2009 | 15 | 20 |
| 2010 | 18 | 20 |
| 2011 | 10 | 11 |
| 2012 | 7 | 8 |
| 2013 | 12 | 9 |
| 2014 | 10 | 14 |
| 2015 | 9 | 5 |
| 2016 | 7 | 5 |
| 2017 | 8 | 4 |
| 2018 | 3 | 5 |
| 2019 | 4 | 3 |
| 2020 | 3 | 3 |
| 2021 | 2 | 4 |
| 2022 | 4 | 2 |
| 2023 | 4 | 8 |
| 2024 | 5 | 2 |
| 2025 | 3 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Port-injected engine having fuel distributor for reduced bias in fuel distribution17 Feb 2026US 12,553,407 B2Caterpillar Inc.
- Fuel and air charge forming device30 Sep 2025US 12,429,019 B2Walbro Corporation
- Fuel injection throttle body assembly having a fuel distribution sleeve30 Sep 2025US 12,429,021 B2Edelbrock Corporation
- Method of controlling a fuel injector12 Aug 2025US 12,385,457 B2Walbro Corporation
- Charge forming device with throttle valve18 Jun 2024US 12,012,920 B2Walbro Corporation
- Fuel injection arrangement for hand-held powertools8 Oct 2026US 2026/0309109 A1Husqvarna AB
- Fuel injection arrangement for hand-held powertools8 Oct 2026US 2026/0309110 A1Husqvarna AB
- A fuel injection arrangement for hand-held powertools23 Oct 2025US 2025/0327433 A1Husqvarna AB
- Port-injected engine having fuel distributor for reduced bias in fuel distribution31 Jul 2025US 2025/0243836 A1Caterpillar Inc.
- Fuel Injection Throttle Body Assembly Having A Fuel Distribution Sleeve8 May 2025US 2025/0146463 A1Edelbrock Corporation
Most cited
By later US patents
- Multiple operating mode engine and method of operation134US 6,561,157 B2Cummins Inc. · 2003
- System and method to pre-ignition in an internal combustion engine107US 7,178,503 B1Ford Global Technologies, LLC · 2007
- Method for controlling injection timing of an internal combustion engine103US 7,278,396 B2Ford Global Technologies, LLC · 2007
- Fuel gas admixing process and device78US 5,992,388 APatentanwalt Hans Rudolf Gachnang · 1999
- Cold start fuel control system71US 5,482,023 AHitachi America, Ltd., Research and Development Division · 1996