F02M 35/10118
With variable cross-sections of intake ducts along their length
Official title: {with variable cross-sections of intake ducts along their length; Venturis; Diffusers}
F02M35/10118 (With variable cross-sections of intake ducts along their length) appears on 285 US grants and 208 published applications in this corpus.
Search patents in F02M- Granted patents
- 285
- Published applications
- 208
- Assignees
- 139
- Inventors
- 600
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 4 |
| 2002 | 9 | 5 |
| 2003 | 9 | 12 |
| 2004 | 10 | 8 |
| 2005 | 9 | 12 |
| 2006 | 12 | 9 |
| 2007 | 6 | 6 |
| 2008 | 7 | 15 |
| 2009 | 4 | 7 |
| 2010 | 5 | 10 |
| 2011 | 9 | 5 |
| 2012 | 6 | 8 |
| 2013 | 6 | 5 |
| 2014 | 3 | 6 |
| 2015 | 7 | 15 |
| 2016 | 10 | 9 |
| 2017 | 8 | 14 |
| 2018 | 12 | 12 |
| 2019 | 14 | 14 |
| 2020 | 9 | 9 |
| 2021 | 13 | 5 |
| 2022 | 8 | 4 |
| 2023 | 8 | 7 |
| 2024 | 6 | 5 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Enhancements for carbureted and retrofit electronic fuel injection aircraft engines1 Jul 2025US 12,345,222 B1
- Gaseous fuel-air mixer with higher mixture uniformity6 May 2025US 12,292,018 B2Cummins Inc.
- Intake bypass recirculation structure capable of silencing15 Apr 2025US 12,276,242 B1Harbin Engineering University
- Hydrogen intake assembly for a hydrogen internal combustion engine3 Sep 2024US 12,078,099 B2Volvo Truck Corporation
- Air intake port for a lean-burn gasoline engine23 Jul 2024US 12,044,192 B2Jaguar Land Rover Limited
- Variable air funnel apparatus17 Sep 2026US 2026/0275945 A1Honda Motor Co., Ltd.
- Airbox for a two-wheeled vehicle9 Oct 2025US 2025/0314224 A1Indian Motorcycle International, LLC
- Gaseous fuel-air mixer with higher mixture uniformity17 Oct 2024US 2024/0344491 A1Cummins Inc.
- Negative pressure generator and fuel tank ventilation5 Sep 2024US 2024/0295201 A1WOCO Industrietechnik GmbH
- Air intake port for a lean-burn gasoline engine16 May 2024US 2024/0159199 A1Jaguar Land Rover Limited
Most cited
By later US patents
- Venturi muffler with variable throat area58US 5,821,475 AThe United States of America as represented by the Secretary of the Navy · 1998
- Compact engine air/cleaner with integrated components55US 4,790,864 AFord Motor Company · 1988
- Venturi mixing system for exhaust gas recirculation (EGR)53US 7,032,578 B2International Engine Intellectual Property Company, LLC · 2006
- Intake air control device and internal combustion engine mounting the same50US 6,543,412 B2Hitachi Car Engineering Co., Ltd. · 2003
- Engine intake manifold assembly47US 4,805,564 ASharon Manufacturing Company · 1989