F02B 1/14
Methods of operating
F02B1/14 (Methods of operating) appears on 62 US grants and 63 published applications in this corpus.
Search patents in F02B- Granted patents
- 62
- Published applications
- 63
- Assignees
- 33
- Inventors
- 159
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 2 | 3 |
| 2013 | 0 | 4 |
| 2014 | 3 | 2 |
| 2015 | 2 | 4 |
| 2016 | 2 | 5 |
| 2017 | 4 | 4 |
| 2018 | 3 | 6 |
| 2019 | 4 | 14 |
| 2020 | 17 | 7 |
| 2021 | 7 | 1 |
| 2022 | 6 | 3 |
| 2023 | 1 | 3 |
| 2024 | 3 | 0 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Fuel agnostic compression ignition engine18 Aug 2026US 12,710,015 B2Climate Energy Investments, LLC
- Vibration reduction in internal combustion engine4 Feb 2025US 12,215,638 B2Scania CV AB
- Full agnostic compression ignition engine7 May 2024US 11,976,606 B2ClearFlame Engines, Inc.
- Fuel agnostic compression ignition engine16 Apr 2024US 11,959,434 B2ClearFlame Engines, Inc.
- Fuel agnostic compression ignition engine9 Apr 2024US 11,952,954 B2ClearFlame Engines, Inc.
- Compression ignition engine and system utilizing ammonia as a fuel source24 Sep 2026US 2026/0286881 A1Analytical Engineering, Inc.
- Fuel agnostic compression ignition engine30 Jan 2025US 2025/0035062 A1ClearFlame Engines, Inc.
- Vibration Reduction in Internal Combustion Engine24 Aug 2023US 2023/0265802 A1Scania CV AB
- Full agnostic compression ignition engine17 Aug 2023US 2023/0258143 A1ClearFlame Engines, Inc.
- Fuel agnostic compression ignition engine6 Jul 2023US 2023/0212997 A1ClearFlame Engines, Inc.
Most cited
By later US patents
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Two-stroke reciprocating piston injection-ignition or compression-ignition engine16US 9,441,573 B1Combustion Engine Technologies, LLC · 2016
- Control strategy for HCCI-CD combustion in a diesel engine using two fuel injection phases15US 7,021,276 B2International Engine Intellectual Property Company, LLC · 2006
- Engine valve actuation for combustion enhancement13US 6,736,106 B2Wisconsin Alumni Research Foundation · 2004
- Gasoline direct-injection engine11US 9,546,617 B2Mazda Motor Corporation · 2017