F02F 3/285
The head being provided with an insert located in or on the
Official title: {the head being provided with an insert located in or on the combustion-gas-swept surface}
F02F3/285 (The head being provided with an insert located in or on the) appears on 29 US grants and 28 published applications in this corpus.
Search patents in F02F- Granted patents
- 29
- Published applications
- 28
- Assignees
- 23
- Inventors
- 64
- Latest grant
- 3 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 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 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 3 | 7 |
| 2017 | 3 | 7 |
| 2018 | 8 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Engine having hotspot fuel igniter and piston and methodology using same3 Mar 2026US 12,565,865 B2Caterpillar Inc.
- Embedded piston structures7 Oct 2025US 12,435,679 B2Brp-Rotax GmbH & Co. KG
- Reciprocating-piston internal combustion engine16 Jan 2024US 11,873,779 B2Man Truck & Bus AG
- Multi-layered piston crown for opposed-piston engines28 Apr 2020US 10,634,091 B2Achates Power, Inc.
- Complex-shaped forged piston oil galleries2 Apr 2019US 10,247,134 B2Tenneco Inc.
- Piston for an internal combustion engine, suitable for aerodynamic movement of gas28 Aug 2025US 2025/0270968 A1
- Engine having hotspot fuel igniter and piston and methodology using same28 Aug 2025US 2025/0270969 A1Caterpillar Inc.
- Embedded piston structures8 Aug 2024US 2024/0263598 A1Brp-Rotax GmbH & Co. KG
- Reciprocating-piston internal combustion engine22 Jun 2023US 2023/0193849 A1Man Truck & Bus AG
- Multi-layered piston crown for opposed-piston engines28 Mar 2019US 2019/0093597 A1Achates Power, Inc.
Most cited
By later US patents
- Piston for internal combustion engines27US 4,711,208 AKolbenschmidt Aktiengesellschaft · 1987
- Ducted combustion chamber for direct injection engines and method19US 8,967,129 B2Caterpillar Inc. · 2015
- Piston14US 9,938,927 B2Subaru Corporation · 2018
- Engine with precombustion chambers8US 5,515,823 AIsuzu Ceramics Research Institute Co., Ltd. · 1996
- Piston of aluminum alloy for internal combustion engines6US 4,971,003 AIzumi Industries, Ltd. · 1990