F02B 23/0603
At least part of the interior volume or the wall of the
Official title: {at least part of the interior volume or the wall of the combustion space being made of material different from the surrounding piston part, e.g. combustion space formed within a ceramic part fixed to a metal piston head}
F02B23/0603 (At least part of the interior volume or the wall of the) appears on 109 US grants and 57 published applications in this corpus.
Search patents in F02B- Granted patents
- 109
- Published applications
- 57
- Assignees
- 67
- Inventors
- 194
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 7 | 0 |
| 1986 | 4 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 5 |
| 2005 | 2 | 2 |
| 2006 | 3 | 1 |
| 2007 | 2 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 0 | 6 |
| 2016 | 2 | 4 |
| 2017 | 4 | 8 |
| 2018 | 5 | 3 |
| 2019 | 4 | 6 |
| 2020 | 6 | 2 |
| 2021 | 2 | 2 |
| 2022 | 0 | 0 |
| 2023 | 3 | 3 |
| 2024 | 0 | 1 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Stoichiometric high-temperature direct-injection compression-ignition engine14 Jan 2025US 12,196,125 B2The Board of Trustees of the Leland Stanford Junior University
- Catalyst mounting in internal combustion engines14 Jan 2025US 12,196,153 B2Hydro-Ject, LLC
- Piston with engineered crown coating and method of manufacturing8 Aug 2023US 11,719,184 B1Tenneco Inc.
- Piston for an internal combustion engine8 Aug 2023US 11,719,186 B2Man Truck & Bus AG
- Stoichiometric high-temperature direct-injection compression-ignition engine3 Jan 2023US 11,542,856 B2The Board of Trustees of the Leland Stanford Junior University
- Catalyst mounting in internal combustion engines25 Jul 2024US 2024/0247618 A1Hydro-Ject, LLC
- Stoichiometric High-Temperature Direct-Injection Compression-Ignition Engine9 Nov 2023US 2023/0358161 A1The Board of Trustees of the Leland Stanford Junior University
- Piston with engineered crown coating and method of manufacturing26 Oct 2023US 2023/0340925 A1Tenneco Inc.
- Piston with engineered crown coating and method of manufacturing27 Jul 2023US 2023/0235714 A1Tenneco Inc.
- Piston for an internal combustion engine21 Oct 2021US 2021/0324815 A1Man Truck & Bus AG
Most cited
By later US patents
- Hybrid electric vehicle127US 5,881,559 AIsuzu Ceramics Research Institute Co., Ltd. · 1999
- Cast metal composite article53US 4,587,177 AImperial Clevite Inc. · 1986
- Ceramic insulated engine pistons52US 4,245,611 AGeneral Motors Corporation · 1981
- Gas-fueled, compression ignition engine with maximized pilot ignition intensity52US 6,598,584 B2Clean Air Partners, Inc. · 2003
- Multi-fuel compression ignition engine50US 7,036,482 B2Clean Air Power, Inc. · 2006