F02F 2001/006
Cylinders: having a ring at the inside of a liner or cylinder
Official title: {having a ring at the inside of a liner or cylinder for preventing the deposit of carbon oil particles, e.g. oil scrapers}
F02F2001/006 (Cylinders: having a ring at the inside of a liner or cylinder) appears on 55 US grants and 58 published applications in this corpus.
Search patents in F02F- Granted patents
- 55
- Published applications
- 58
- Assignees
- 42
- Inventors
- 155
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 2 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 4 |
| 2013 | 2 | 6 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 3 | 6 |
| 2017 | 5 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 1 |
| 2020 | 1 | 3 |
| 2021 | 5 | 3 |
| 2022 | 2 | 3 |
| 2023 | 2 | 5 |
| 2024 | 5 | 2 |
| 2025 | 2 | 5 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method having an anti-polishing ring for a piston9 Jun 2026US 12,650,096 B2Innio Jenbacher GmbH & Co OG
- Coke scraping ring, cylinder liner, cylinder, gas engine and gas engine operation method21 Apr 2026US 12,607,154 B2Caterpillar Energy Solutions GmbH
- Cylinder liner and reciprocating engine comprising cylinder liner21 Apr 2026US 12,607,155 B2Tpr Co., Ltd.
- Cylinder liner, apparatus for extracting a cylinder liner and method for extracting a cylinder liner17 Jun 2025US 12,331,696 B2Innio Jenbacher GmbH & Co OG
- Engine structure11 Feb 2025US 12,221,937 B2Isuzu Motors Limited
- System and method having an anti-polishing ring for a piston1 Oct 2026US 2026/0298172 A1Innio Jenbacher GmbH & Co OG
- Arrangement for an internal combustion engine18 Jun 2026US 2026/0168576 A1
- Burr-shaped cast-in cylinder liner and inspection method for same14 May 2026US 2026/0132757 A1Zynp Corporation
- System and method having an anti-polishing ring for a piston23 Apr 2026US 2026/0110271 A1Innio Jenbacher GmbH & Co OG
- Cylinder liner, apparatus for extracting a cylinder liner and method for extracting a cylinder liner9 Oct 2025US 2025/0314215 A1Innio Jenbacher GmbH & Co OG
Most cited
By later US patents
- Combined fire ring and carbon scraping insert24US 4,474,147 AMack Trucks, Inc. · 1984
- Scraping ring and sealing ring used with a cylinder liner in an internal combustion engine19US 6,164,260 ACaterpillar Inc. · 2000
- Anti-polishing ring17US 5,553,585 AWartsila Diesel International Ltd Oy · 1996
- Advanced antipolishing ring arrangement13US 6,367,463 B1Wartsila NSD OY AB · 2002
- Internal combustion engine and liner installation ring13US 7,438,037 B2Riken · 2008