F05D 2260/821
Parameter estimation or prediction
F05D2260/821 (Parameter estimation or prediction) appears on 181 US grants and 226 published applications in this corpus.
Search patents in F05D- Granted patents
- 181
- Published applications
- 226
- Assignees
- 90
- Inventors
- 550
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 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 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 2 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 5 |
| 2014 | 2 | 5 |
| 2015 | 3 | 14 |
| 2016 | 7 | 18 |
| 2017 | 16 | 18 |
| 2018 | 12 | 26 |
| 2019 | 20 | 19 |
| 2020 | 16 | 14 |
| 2021 | 13 | 16 |
| 2022 | 16 | 17 |
| 2023 | 25 | 25 |
| 2024 | 17 | 22 |
| 2025 | 16 | 15 |
| 2026 | 12 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for determining a shape of a mistuned blade of an impeller of a turbomachine25 Aug 2026US 12,716,718 B2Rolls-Royce Deutschland Ltd & Co KG
- Geared architecture for high speed and small volume fan drive turbine16 Jun 2026US 12,655,811 B2Rtx Corporation
- Method for mapping contrail formation to engine performance characteristics2 Jun 2026US 12,644,409 B2Pratt & Whitney Canada Corp.
- Pump monitoring system and method2 Jun 2026US 12,644,449 B2Viking Pump, Inc.
- System and method for tracking aircraft fuel usage and emissions12 May 2026US 12,623,792 B2General Electric Company
- Fuel scheduling1 Oct 2026US 2026/0298156 A1ROLLS-ROYCE plc
- Plant control device and calculation amount changeability determination method30 Jul 2026US 2026/0221771 A1Hitachi, Ltd.
- Geared architecture for high speed and small volume fan drive turbine2 Jul 2026US 2026/0185495 A1Rtx Corporation
- T6 Probes Accuracy Based on Swirl Angle11 Jun 2026US 2026/0160180 A1Pratt & Whitney Canada Corp.
- Control system28 May 2026US 2026/0146566 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Reducing contrails from an aircraft powerplant21US 11,635,022 B1Raytheon Technologies Corporation · 2023
- Device and method for testing for motor bearing wear19US 4,584,865 ALawrence Pump and Engine Company · 1986
- Direct drive fan system with variable process control16US 10,031,535 B2Prime Datum, Inc. · 2018
- Engine and electrical machine health monitoring15US 10,442,547 B2General Electric Company · 2019
- Engine health monitoring and power allocation control for a turbine engine using electric generators15US 9,260,976 B2Rolls-Royce North American Technologies Inc. · 2016