F02M 23/003
Particular shape of air intake
Official title: {Particular shape of air intake}
F02M23/003 (Particular shape of air intake) appears on 13 US grants and 12 published applications in this corpus.
Search patents in F02M- Granted patents
- 13
- Published applications
- 12
- Assignees
- 11
- Inventors
- 27
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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- Engine system18 Apr 2023US 11,629,671 B2Subaru Corporation
- Intake control apparatus4 Aug 2020US 10,731,572 B2Keihin Corporation
- Combustion engine with fresh gas line to increase turbulence28 Apr 2020US 10,634,097 B2Bayerische Motoren erke Aktiengesellschaft
- Exhaust emission control device for internal combustion engine30 Apr 2019US 10,273,905 B2Honda Motor Co., Ltd.
- Gas mixer27 Jun 2024US 2024/0209815 A1Caterpillar Energy Solution GmbH
- Engine system4 Aug 2022US 2022/0243686 A1Subaru Corporation
- Reciprocating-piston internal combustion engine with device for increasing the torque thereof16 Sep 2021US 2021/0285361 A1
- Intake control apparatus14 Mar 2019US 2019/0078518 A1Keihin Corporation
- Exhaust emission control device for internal combustion engine4 Aug 2016US 2016/0222922 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Additional air supply means for an internal combustion engine7US 4,934,331 A1990
- Internal combustion engine having diverter valve and separate passage for purging engine4US 4,487,171 A1984
- Carburetor for an internal combustion engine2US 4,430,982 ARamirez Development Corporation · 1984
- Fuel saving apparatus2US 4,664,089 A1987
- Internal combustion engine with air-fuel mixture injection1US 7,252,076 B2Honda Motor Co., Ltd. · 2007