F05D 2270/081
With as little smoke as possible
Official title: with as little smoke as possible
F05D2270/081 (With as little smoke as possible) appears on 33 US grants and 40 published applications in this corpus.
Search patents in F05D- Granted patents
- 33
- Published applications
- 40
- Assignees
- 12
- Inventors
- 37
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 2 |
| 2022 | 4 | 2 |
| 2023 | 5 | 8 |
| 2024 | 6 | 2 |
| 2025 | 3 | 9 |
| 2026 | 3 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Gas turbine engine and method for reducing nonvolatile particulate matter emissions in the exhaust19 May 2026US 12,631,335 B2ROLLS-ROYCE plc
- Gas turbine engine and method thereof for reducing nonvolatile particulate matter emissions7 Apr 2026US 12,595,912 B2ROLLS-ROYCE plc
- Gas turbine operation24 Mar 2026US 12,584,448 B2ROLLS-ROYCE plc
- Controlling soot4 Mar 2025US 12,241,629 B2ROLLS-ROYCE plc
- Fuel delivery4 Feb 2025US 12,215,635 B2ROLLS-ROYCE plc
- Gas turbine engine16 Jul 2026US 2026/0202059 A1ROLLS-ROYCE plc
- Gas turbine engine26 Mar 2026US 2026/0085838 A1ROLLS-ROYCE plc
- Fuel spray nozzles11 Dec 2025US 2025/0376954 A1ROLLS-ROYCE plc
- Aviation fuel11 Dec 2025US 2025/0377099 A1ROLLS-ROYCE plc
- Gas turbine engine and method for reducing nonvolatile particulate matter emissions in the exhaust11 Dec 2025US 2025/0377111 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Gas turbine operation16US 11,591,973 B1ROLLS-ROYCE plc · 2023
- Aircraft electrically-assisted propulsion control system14US 10,435,165 B2ROLLS-ROYCE plc · 2019
- Turbine mechanical output computation device and gas turbine control device equipped therewith11US 7,260,466 B2Mitsubishi Heavy Industries, Ltd. · 2007
- Fuel delivery system10US 9,309,811 B2ROLLS-ROYCE plc · 2016
- Method and device for compensating variations in fuel composition in a gas turbine system9US 7,472,540 B2Siemens Aktiengesellschaft · 2009