F02B 23/0684
Ring like bowl
Official title: {Ring like bowl, e.g. toroidal}
F02B23/0684 (Ring like bowl) appears on 15 US grants and 18 published applications in this corpus.
Search patents in F02B- Granted patents
- 15
- Published applications
- 18
- Assignees
- 16
- Inventors
- 63
- Latest grant
- 17 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 0 | 1 |
| 2016 | 3 | 2 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 2 | 4 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Piston for a reciprocating piston machine, and reciprocating piston machine for a motor vehicle17 Sep 2024US 12,092,053 B2Mercedes-Benz Group AG
- Engine system3 Aug 2021US 11,078,828 B2Mazda Motor Corporation
- Fuel injection control system and fuel injection control method for diesel engine15 Dec 2020US 10,865,731 B2Mazda Motor Corporation
- Fuel injection control system and fuel injection control method for diesel engine17 Nov 2020US 10,837,397 B2Mazda Motor Corporation
- Piston bowl rim with fatigue resistance18 Jun 2019US 10,323,602 B2GM Global Technology Operations LLC
- Piston for an internal combustion engine11 Dec 2025US 2025/0376962 A1Volvo Truck Corporation
- Piston for a Reciprocating Piston Machine, and Reciprocating Piston Machine for a Motor Vehicle29 Sep 2022US 2022/0307445 A1Mercedes-Benz Group AG
- Air-compressing internal combustion engine29 Oct 2020US 2020/0340391 A1AVL List GmbH
- Engine system30 Jul 2020US 2020/0240332 A1Mazda Motor Corporation
- Fuel injection control system and fuel injection control method for diesel engine2 Jan 2020US 2020/0003146 A1Mazda Motor Corporation
Most cited
By later US patents
- Internal combustion engine with delayed torch ignition of oil fuel charge62US 4,091,772 ACooper Industries, Inc. · 1978
- Double bowl piston25US 7,185,614 B2Caterpillar Inc. · 2007
- Increased compression ratio diesel engine assembly for retarded fuel injection timing14US 6,318,308 B1General Electric Company · 2001
- Combustion chamber for air compressing, self-igniting internal combustion engines9US 5,363,820 AMAN Nutzfahrzeuge AG · 1994
- Combustion chamber of direct injection diesel engine for reducing the NOx7US 9,284,877 B2Doosan Infracore Co., Ltd. · 2016