F05D 2270/821
Displacement measuring means
Official title: Displacement measuring means, e.g. inductive
F05D2270/821 (Displacement measuring means) appears on 118 US grants and 138 published applications in this corpus.
Search patents in F05D- Granted patents
- 118
- Published applications
- 138
- Assignees
- 60
- Inventors
- 320
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 1 | 3 |
| 2014 | 2 | 10 |
| 2015 | 1 | 8 |
| 2016 | 5 | 12 |
| 2017 | 10 | 8 |
| 2018 | 13 | 6 |
| 2019 | 7 | 12 |
| 2020 | 10 | 14 |
| 2021 | 10 | 12 |
| 2022 | 15 | 11 |
| 2023 | 9 | 6 |
| 2024 | 14 | 15 |
| 2025 | 16 | 11 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Blade tip clearance sensor and gas turbine including same22 Sep 2026US 12,742,399 B2Doosan Enerbility Co., Ltd.
- Lock position sensing24 Feb 2026US 12,560,459 B2Goodrich Actuation Systems Limited
- Method for extracting rotor dynamic orbit from blade tip clearance and time of arrival measurements6 Jan 2026US 12,517,014 B2Rtx Corporation
- Preventing abnormal fan blade deflection or fan flutter with retroreflectors16 Dec 2025US 12,497,899 B1General Electric Company
- Blade tip clearance probe/lead cooling jacket11 Nov 2025US 12,467,376 B1Rtx Corporation
- Externally sourced cooling for probe and lead and method of delivery30 Jul 2026US 2026/0218626 A1Rtx Corporation
- Aircraft turbine engine having means for detecting the axial displacement of a fan16 Jul 2026US 2026/0201813 A1Safran Aircraft Engines
- Propulsion machine comprising a sensing arrangement25 Jun 2026US 2026/0177017 A1ROLLS-ROYCE plc
- Thrust reverser with improved reliability4 Jun 2026US 2026/0153063 A1Safran Nacelles
- Blade tip clearance sensor and gas turbine including same5 Mar 2026US 2026/0063047 A1Doosan Enerbility Co., Ltd.
Most cited
By later US patents
- Ultrasound fuel flow sensing and control26US 9,891,085 B2General Electric Company · 2018
- Apparatus for monitoring housed turbine blading to obtain blading-to-housing distance25US 4,644,270 AWestinghouse Electric Corp. · 1987
- In-situ blade-mounted optical camera inspected systems for turbine engines12US 9,581,440 B2Siemens Energy, Inc. · 2017
- Turbine blade monitoring9US 9,995,167 B2BAE SYSTEMS plc · 2018
- Method and system for monitoring non-rotating turbomachine parts8US 9,683,454 B1General Electric Company · 2017