F02F 3/0076
The inside of the pistons being provided with ribs or fins
Official title: {the inside of the pistons being provided with ribs or fins}
F02F3/0076 (The inside of the pistons being provided with ribs or fins) appears on 61 US grants and 63 published applications in this corpus.
Search patents in F02F- Granted patents
- 61
- Published applications
- 63
- Assignees
- 43
- Inventors
- 153
- Latest grant
- 9 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 2 | 2 |
| 2009 | 0 | 3 |
| 2010 | 0 | 5 |
| 2011 | 3 | 2 |
| 2012 | 1 | 0 |
| 2013 | 3 | 4 |
| 2014 | 3 | 1 |
| 2015 | 2 | 5 |
| 2016 | 4 | 5 |
| 2017 | 1 | 8 |
| 2018 | 2 | 7 |
| 2019 | 14 | 0 |
| 2020 | 2 | 8 |
| 2021 | 3 | 2 |
| 2022 | 1 | 2 |
| 2023 | 3 | 2 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Power device capable of generating greater propelling force9 Jan 2024US 11,866,160 B2
- Engine piston, engine, hand-held tool, and method of manufacturing an engine piston15 Aug 2023US 11,725,570 B2Husqvarna AB
- Linear combustion engines with valve in piston4 Jul 2023US 11,692,478 B2Intelline Inc.
- Piston with a structured design6 Jun 2023US 11,668,263 B2KS Kolbenschmidt GmbH
- Automobile engine13 Dec 2022US 11,524,774 B2
- Power device capable of generating greater propelling force14 Mar 2024US 2024/0083572 A1
- Power device capable of generating greater propelling force23 Feb 2023US 2023/0056477 A1
- Linear combustion engines with valve in piston23 Feb 2023US 2023/0058375 A1Intelline Inc.
- One-piece cast piston for an internal combustion engine13 Oct 2022US 2022/0325676 A1Federal-Mogul Nurnberg GmbH
- Engine Piston, Engine, Hand-Held Tool, and Method of Manufacturing an Engine Piston17 Feb 2022US 2022/0049642 A1Husqvarna AB
Most cited
By later US patents
- Structurally lightened piston utilizable especially in an internal combustion engine42US 4,662,319 AS.E.M.T., S.A. · 1987
- Two-piece piston assembly40US 6,318,243 B12001
- Pistons for internal combustion engines27US 4,989,559 AWellworthy Limited · 1991
- Free-piston electric current generator26US 4,403,153 A1983
- Liquid-cooled piston for internal combustion engines15US 4,368,697 AKarl Schmidt GmbH · 1983