F02B 2700/02
Four stroke engines
F02B2700/02 (Four stroke engines) appears on 12 US grants and 9 published applications in this corpus.
Search patents in F02B- Granted patents
- 12
- Published applications
- 9
- Assignees
- 12
- Inventors
- 24
- Latest grant
- 14 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 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 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02B 2700/023With measures for charging, increasing the powerIndexing code6
- F02B 2700/026With measures for increasing the part of the heat transferred to powerIndexing code5
- F02B 2700/021With measures for removing exhaust gases from the cylinderIndexing code2
- F02B 2700/025With measures for compressing the cylinder chargeIndexing code0
- F02B 2700/028Double-actingIndexing code0
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
- Stoichiometric high-temperature direct-injection compression-ignition engine3 Jan 2023US 11,542,856 B2The Board of Trustees of the Leland Stanford Junior University
- Four stroke relative motion cylinder with dedicated compression space15 Feb 2022US 11,248,521 B1
- Crank drive device for an internal combustion engine, drive train and vehicle10 Nov 2020US 10,830,127 B2Ford Global Technologies, LLC
- Stoichiometric high-temperature direct-injection compression-ignition engine27 Feb 2018US 9,903,262 B2The Board of Trustees of the Leland Stanford Junior University
- Internal combustion engine system1 Jan 2026US 2026/0002497 A1Volvo Truck Corporation
- Stoichiometric High-Temperature Direct-Injection Compression-Ignition Engine9 Nov 2023US 2023/0358161 A1The Board of Trustees of the Leland Stanford Junior University
- Crank drive device for an internal combustion engine, drive train and vehicle12 Mar 2020US 2020/0080472 A1Ford Global Technologies, LLC
- State quantity estimating device30 Jan 2020US 2020/0033229 A1Hino Motors, Ltd.
- Stoichiometric High-Temperature Direct-Injection Compression-Ignition Engine25 Oct 2018US 2018/0306098 A1The Board of Trustees of the Leland Stanford Junior University
Most cited
By later US patents
- Stoichiometric high-temperature direct-injection compression-ignition engine19US 9,903,262 B2The Board of Trustees of the Leland Stanford Junior University · 2018
- Hybrid engine16US 7,383,684 B2Deere & Company · 2008
- Turbo-piston engine11US 9,719,469 B12017
- Stoichiometric high-temperature direct-injection compression-ignition engine7US 11,542,856 B2The Board of Trustees of the Leland Stanford Junior University · 2023
- Compound transmission7US 7,966,817 B2LuK Vermoegensverwaltungsgesellschaft mbH · 2011