F02B 2720/00
Engines with liquid fuel
F02B2720/00 (Engines with liquid fuel) appears on 21 US grants and 23 published applications in this corpus.
Search patents in F02B- Granted patents
- 21
- Published applications
- 23
- Assignees
- 18
- Inventors
- 39
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 4 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 3 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 2 |
| 2018 | 1 | 4 |
| 2019 | 2 | 1 |
| 2020 | 3 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02B 2720/25Supply of fuel in the cylinderIndexing code8
- F02B 2720/23Two stroke enginesIndexing code5
- F02B 2720/13Two stroke engines with ignition deviceIndexing code3
- F02B 2720/20Air compressing engines with ignition by the heat of compressionIndexing code3
- F02B 2720/12Four stroke engines with ignition deviceIndexing code2
- F02B 2720/15Mixture compressing engines with ignition device and mixture formation in the cylinderIndexing code2
- F02B 2720/27Air compressing engines with hot-bulb ignitionIndexing code2
- F02B 2720/22Four stroke enginesIndexing code1
Recent patents
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture7 Jul 2026US 12,674,409 B2Climate Energy Investments, LLC
- Stoichiometric high-temperature direct-injection compression-ignition engine14 Jan 2025US 12,196,125 B2The Board of Trustees of the Leland Stanford Junior University
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture9 Apr 2024US 11,952,936 B1ClearFlame Engines, Inc.
- 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
- Two-stroke engine2 Apr 2026US 2026/0092553 A1Andreas Stihl AG & CO.KG
- Systems and methods for combusting unconventional fuel chemistries in a diesel engine architecture23 Jan 2025US 2025/0027440 A1ClearFlame Engines, Inc.
- Stoichiometric High-Temperature Direct-Injection Compression-Ignition Engine9 Nov 2023US 2023/0358161 A1The Board of Trustees of the Leland Stanford Junior University
- Cold Start for High-Octane Fuels in a Diesel Engine Architecture27 Apr 2023US 2023/0129315 A1ClearFlame Engines, Inc.
- Cold start for high-octane fuels in a diesel engine architecture25 Feb 2021US 2021/0054777 A1ClearFlame Engines, Inc.
Most cited
By later US patents
- Turbocharger system for internal combustion engine with internal isolated turbocharger oil drainback passage20US 8,234,867 B2Ford Global Technologies, LLC · 2012
- Stoichiometric high-temperature direct-injection compression-ignition engine19US 9,903,262 B2The Board of Trustees of the Leland Stanford Junior University · 2018
- Two-stroke internal combustion engine10US 7,255,072 B2Kioritz Corporation · 2007
- 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