F02F 3/0084
The pistons being constructed from specific materials
Official title: {the pistons being constructed from specific materials}
F02F3/0084 (The pistons being constructed from specific materials) appears on 158 US grants and 209 published applications in this corpus.
Search patents in F02F- Granted patents
- 158
- Published applications
- 209
- Assignees
- 90
- Inventors
- 371
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 2 |
| 2004 | 3 | 4 |
| 2005 | 3 | 0 |
| 2006 | 1 | 5 |
| 2007 | 0 | 7 |
| 2008 | 5 | 8 |
| 2009 | 0 | 3 |
| 2010 | 0 | 4 |
| 2011 | 5 | 2 |
| 2012 | 2 | 7 |
| 2013 | 3 | 6 |
| 2014 | 4 | 11 |
| 2015 | 7 | 22 |
| 2016 | 6 | 19 |
| 2017 | 12 | 27 |
| 2018 | 13 | 22 |
| 2019 | 29 | 13 |
| 2020 | 17 | 17 |
| 2021 | 11 | 12 |
| 2022 | 8 | 4 |
| 2023 | 10 | 8 |
| 2024 | 4 | 5 |
| 2025 | 4 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Internal combustion engine19 May 2026US 12,631,138 B2Carnot, S.A.
- Piston for an internal combustion engine14 Oct 2025US 12,442,348 B2Federal-Mogul Nurnberg GmbH
- Embedded piston structures7 Oct 2025US 12,435,679 B2Brp-Rotax GmbH & Co. KG
- Piston for an internal combustion engine and method of manufacturing the piston17 Jun 2025US 12,331,697 B2Mahle International GmbH
- Internal combustion engine with reduced oil maintenance15 Apr 2025US 12,276,235 B2Briggs & Stratton Corporation
- Piston for an internal combustion engine and method of manufacturing the piston9 Jan 2025US 2025/0012231 A1Mahle International GmbH
- Piston for an internal combustion engine14 Nov 2024US 2024/0376849 A1Federal-Mogul Nurnberg GmbH
- Embedded piston structures8 Aug 2024US 2024/0263598 A1Brp-Rotax GmbH & Co. KG
- Method of designing and producing fiber-reinforced polymer pistons29 Feb 2024US 2024/0066644 A1AWA Forged Composites, LLC
- Aluminum alloy, method for producing an engine component, and engine component29 Feb 2024US 2024/0068076 A1Federal-Mogul Nurnberg GmbH
Most cited
By later US patents
- Piston-cylinder set for reciprocating internal-combustion engines, especially Otto and diesel engines33US 4,466,399 ADeutsche Forschungs- und Versuchsanstalt fur Luft- und Raumfahrt e. V. · 1984
- Multipart cooled piston for a combustion engine19US 6,698,391 B1Mahle GmbH · 2004
- Cooling duct piston for a direct-injection diesel engine17US 6,892,689 B2Mahle GmbH · 2005
- One piece cast steel monobloc piston16US 7,406,941 B2Federal-Mogul World Wide, Inc. · 2008
- Engine piston and a process for making an engine piston16US 9,611,803 B2Mahle International GmbH · 2017