F05D 2270/20
To optimize the performance of a machine
Official title: to optimize the performance of a machine
F05D2270/20 (To optimize the performance of a machine) appears on 170 US grants and 207 published applications in this corpus.
Search patents in F05D- Granted patents
- 170
- Published applications
- 207
- Assignees
- 73
- Inventors
- 475
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 5 |
| 2013 | 3 | 7 |
| 2014 | 2 | 5 |
| 2015 | 7 | 15 |
| 2016 | 12 | 17 |
| 2017 | 10 | 12 |
| 2018 | 9 | 21 |
| 2019 | 15 | 24 |
| 2020 | 19 | 38 |
| 2021 | 26 | 9 |
| 2022 | 17 | 13 |
| 2023 | 16 | 15 |
| 2024 | 18 | 5 |
| 2025 | 8 | 11 |
| 2026 | 6 | 7 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Fan with variable depth groove casing treatment19 May 2026US 12,631,124 B1Rolls-Royce North American Technologies Inc.
- Method and system for configuring operation of an engine7 Apr 2026US 12,595,768 B2Pratt & Whitney Canada Corp.
- Gas turbine system, in particular for an electrically driven motor vehicle, and motor vehicle and method17 Mar 2026US 12,577,908 B2
- Electric enhanced transmission for multi-spool load-sharing turbofan engine10 Mar 2026US 12,571,352 B2Rtx Corporation
- Variable geometry turbocharger (VGT) durability by avoiding excessive force on one or more components of the VGT3 Feb 2026US 12,540,571 B2Caterpillar Inc.
- Active tip clearance control system for aircraft engine27 Aug 2026US 2026/0251072 A1Pratt & Whitney Canada Corp.
- Utilizing a combined empirical and deterministic model for automated tuning of gas turbine combustion systems6 Aug 2026US 2026/0226864 A1NAES Corporation
- Hydrogen/ammonia mixed combustion system, mixed combustion control device, and mixed combustion control method23 Jul 2026US 2026/0210301 A1Mitsubishi Heavy Industries, Ltd.
- Control system28 May 2026US 2026/0146566 A1ROLLS-ROYCE plc
- Fan with variable depth groove casing treatment21 May 2026US 2026/0139606 A1Rolls-Royce North American Technologies Inc.
Most cited
By later US patents
- Turbomachine with an electric machine assembly and method for operation49US 10,644,630 B2General Electric Company · 2020
- Hybrid turbo electric aero-propulsion system control36US 9,586,690 B2Rolls-Royce North American Technologies Inc. · 2017
- Efficiency based gearbox cooling control29US 10,634,233 B1ROLLS-ROYCE plc · 2020
- Systems and methods for fan blade de-icing29US 10,822,999 B2Raytheon Technologies Corporation · 2020
- Thermal management system23US 11,015,534 B2General Electric Company · 2021