F05D 2240/60
Shafts
F05D2240/60 (Shafts) appears on 889 US grants and 1,057 published applications in this corpus.
Search patents in F05D- Granted patents
- 889
- Published applications
- 1,057
- Assignees
- 251
- Inventors
- 1,908
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 3 |
| 2002 | 4 | 4 |
| 2003 | 2 | 4 |
| 2004 | 4 | 5 |
| 2005 | 3 | 4 |
| 2006 | 2 | 5 |
| 2007 | 3 | 5 |
| 2008 | 1 | 4 |
| 2009 | 5 | 7 |
| 2010 | 0 | 10 |
| 2011 | 4 | 5 |
| 2012 | 12 | 3 |
| 2013 | 6 | 26 |
| 2014 | 10 | 15 |
| 2015 | 11 | 24 |
| 2016 | 11 | 112 |
| 2017 | 34 | 140 |
| 2018 | 73 | 125 |
| 2019 | 123 | 80 |
| 2020 | 107 | 115 |
| 2021 | 78 | 122 |
| 2022 | 124 | 73 |
| 2023 | 100 | 58 |
| 2024 | 65 | 44 |
| 2025 | 47 | 35 |
| 2026 | 28 | 29 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flexible support structure for a geared architecture gas turbine engine29 Sep 2026US 12,747,675 B2Rtx Corporation
- Shaft assembly for an aircraft engine22 Sep 2026US 12,741,750 B1Pratt & Whitney Canada Corp.
- Center tie rotor annular seal11 Aug 2026US 12,704,073 B2Rtx Corporation
- Midshaft rating for turbomachine engines4 Aug 2026US 12,698,723 B2General Electric Company
- Hybrid aircraft propulsion system with electric motor alignment21 Jul 2026US 12,686,500 B2Pratt & Whitney Canada Corp.
- Turboshaft gearbox output gear arrangement with torque measurement system8 Oct 2026US 2026/0309089 A1Pratt & Whitney Canada Corp.
- Midshaft Rating For Turbomachine Engines8 Oct 2026US 2026/0309091 A1GE Avio S. r. l.
- Midshaft Rating For Turbomachine Engines8 Oct 2026US 2026/0309092 A1GE Avio S. r. l.
- Non rotating spacer for gas turbine engine27 Aug 2026US 2026/0251245 A1Pratt & Whitney Canada Corp.
- Dual speed or position probe-based shaft shear detection23 Jul 2026US 2026/0210300 A1Pratt & Whitney Canada Corp.
Most cited
By later US patents
- Coupling system for a planetary gear train525US 5,433,674 AUnited Technologies Corporation · 1995
- Flexible shaft for gas turbine engine391US 7,926,260 B2United Technologies Corporation · 2011
- Blood pump having rotor with internal bore for fluid flow121US 5,938,412 AAdvanced Bionics AG · 1999
- Pump motor having fluid cooling system93US 5,997,261 ASiemens Canada Limited · 1999
- Geared architecture for high speed and small volume fan drive turbine87US 8,747,055 B2United Technologies Corporation · 2014