F02D 9/104
Shaping of the flow path in the vicinity of the flap
Official title: {Shaping of the flow path in the vicinity of the flap, e.g. having inserts in the housing}
F02D9/104 (Shaping of the flow path in the vicinity of the flap) appears on 177 US grants and 148 published applications in this corpus.
Search patents in F02D- Granted patents
- 177
- Published applications
- 148
- Assignees
- 99
- Inventors
- 388
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 1 |
| 2002 | 8 | 10 |
| 2003 | 5 | 7 |
| 2004 | 9 | 14 |
| 2005 | 7 | 14 |
| 2006 | 13 | 7 |
| 2007 | 9 | 9 |
| 2008 | 7 | 9 |
| 2009 | 7 | 15 |
| 2010 | 6 | 2 |
| 2011 | 6 | 5 |
| 2012 | 3 | 5 |
| 2013 | 3 | 2 |
| 2014 | 1 | 0 |
| 2015 | 3 | 4 |
| 2016 | 3 | 4 |
| 2017 | 4 | 7 |
| 2018 | 6 | 5 |
| 2019 | 3 | 12 |
| 2020 | 8 | 3 |
| 2021 | 7 | 8 |
| 2022 | 6 | 1 |
| 2023 | 3 | 1 |
| 2024 | 0 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sealing arrangement9 Jun 2026US 12,650,173 B1Vitesco Technologies GmbH
- Exhaust brake valve30 Dec 2025US 12,510,032 B2Power Packer North America, Inc.
- Throttle body structure25 Mar 2025US 12,258,920 B2Guangdong Huakong Auto Tech Co., Ltd
- Throttle body with fluid flow control10 Oct 2023US 11,781,493 B2Walbro Corporation
- Control flap for controlled exhaust gas recirculation and method for its production1 Aug 2023US 11,713,736 B2Umfotec GmbH
- Sealing arrangement11 Jun 2026US 2026/0160339 A1Vitesco Technologies GmbH
- Exhaust brake valve21 Nov 2024US 2024/0384690 A1Power Packer North America, Inc.
- Throttle body structure23 May 2024US 2024/0167428 A1Guangdong Huakong Auto Tech Co., Ltd
- Fuel feed unit and two-stroke engine having a fuel feed unit19 Jan 2023US 2023/0013645 A1Andreas Stihl AG & CO.KG
- Throttle body with fluid flow control12 May 2022US 2022/0145812 A1Walbro Corporation
Most cited
By later US patents
- Flow improvement vanes in the intake system of an internal combustion engine47US 5,924,398 AFord Global Technologies, LLC · 1999
- Throttle device41US 5,669,350 AFilterwerk Mann & Hummel GmbH · 1997
- Noise suppression vanes in the intake system of an internal combustion engine37US 5,758,614 AFord Global Technologies, LLC · 1998
- Bypass venturi assembly for an exhaust gas recirculation system36US 6,609,374 B2Caterpillar Inc. · 2003
- Rotary diesel electric EGR valve35US 5,531,205 ASiemens Electric Limited · 1996