F02M 21/047
Venturi mixer
Official title: {Venturi mixer}
F02M21/047 (Venturi mixer) appears on 142 US grants and 91 published applications in this corpus.
Search patents in F02M- Granted patents
- 142
- Published applications
- 91
- Assignees
- 77
- Inventors
- 233
- Latest grant
- 30 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 5 |
| 2005 | 6 | 1 |
| 2006 | 1 | 3 |
| 2007 | 0 | 2 |
| 2008 | 4 | 4 |
| 2009 | 1 | 11 |
| 2010 | 3 | 5 |
| 2011 | 6 | 1 |
| 2012 | 0 | 2 |
| 2013 | 3 | 3 |
| 2014 | 1 | 4 |
| 2015 | 3 | 9 |
| 2016 | 4 | 9 |
| 2017 | 6 | 2 |
| 2018 | 3 | 1 |
| 2019 | 5 | 5 |
| 2020 | 5 | 4 |
| 2021 | 3 | 1 |
| 2022 | 3 | 1 |
| 2023 | 8 | 12 |
| 2024 | 6 | 0 |
| 2025 | 2 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Supplemental fuel system for compression-ignition engine30 Dec 2025US 12,510,043 B2American CNG, LLC
- Integrated throttle—fuel mixer18 Nov 2025US 12,473,866 B2Generac Power Systems, Inc.
- Method and system for diagnosing an evaporative emissions system22 Oct 2024US 12,123,376 B2Ford Global Technologies, LLC
- Supplemental fuel system for compression-ignition engine15 Oct 2024US 12,116,959 B2American CNG, LLC
- Supplemental fuel system for compression-ignition engine2 Jul 2024US 12,025,081 B2American CNG, LLC
- Integrated throttle - fuel mixer18 Jun 2026US 2026/0168448 A1Generac Power Systems, Inc.
- Fuel system for engine2 Apr 2026US 2026/0092584 A1American CNG, LLC
- Supplemental fuel system for compression-ignition engine9 Jan 2025US 2025/0012241 A1American CNG, LLC
- Supplemental fuel system for compression-ignition engine26 Oct 2023US 2023/0340932 A1American CNG, LLC
- Supplemental fuel system for compression-ignition engine28 Sep 2023US 2023/0304450 A1American CNG, LLC
Most cited
By later US patents
- Internal combustion engine dual fuel system73US 4,335,697 A1982
- Bi-fuel control system and assembly for reciprocating diesel engine powered electric generators58US 6,250,260 B12001
- Dual fuel system54US 5,450,832 A1995
- Fuel selection device53US 7,591,257 B2Generac Power Systems, Inc. · 2009
- Fuel control system and method for gas engines51US 8,005,603 B2Continental Controls Corporation · 2011