F05D 2260/40
Transmission of power
F05D2260/40 (Transmission of power) appears on 2,559 US grants and 3,191 published applications in this corpus.
Search patents in F05D- Granted patents
- 2,559
- Published applications
- 3,191
- Assignees
- 284
- Inventors
- 2,783
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 4 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 10 |
| 2005 | 4 | 7 |
| 2006 | 6 | 26 |
| 2007 | 6 | 25 |
| 2008 | 13 | 34 |
| 2009 | 16 | 31 |
| 2010 | 24 | 57 |
| 2011 | 32 | 36 |
| 2012 | 43 | 54 |
| 2013 | 45 | 127 |
| 2014 | 76 | 101 |
| 2015 | 71 | 131 |
| 2016 | 48 | 262 |
| 2017 | 97 | 235 |
| 2018 | 162 | 262 |
| 2019 | 252 | 239 |
| 2020 | 285 | 337 |
| 2021 | 271 | 261 |
| 2022 | 267 | 214 |
| 2023 | 243 | 225 |
| 2024 | 261 | 182 |
| 2025 | 189 | 161 |
| 2026 | 107 | 173 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F05D 2260/403Through the shape of the drive componentsIndexing code2,173
- F05D 2260/402Through friction drivesIndexing code203
- F05D 2260/406Through hydraulic systemsIndexing code114
- F05D 2260/407Through piezoelectric conversionIndexing code43
- F05D 2260/404Through magnetic drive couplingIndexing code37
- F05D 2260/408Through magnetohydrodynamic conversionIndexing code6
Recent patents
- Flexible support structure for a geared architecture gas turbine engine29 Sep 2026US 12,747,675 B2Rtx Corporation
- Integrated in-line emergency lube pump assembly for planetary gearbox configurations29 Sep 2026US 12,747,677 B2GE Avio S. r. l.
- Turbine engine and lubricant reservoir for planetary gearbox29 Sep 2026US 12,747,696 B2GE Avio S. r. l.
- Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes29 Sep 2026US 12,747,699 B2General Electric Company
- Gas turbine engine with acoustic spacing of the fan blades and outlet guide vanes29 Sep 2026US 12,747,700 B2General Electric Company
- Fluid system and method of separating oil from air in aircraft engine8 Oct 2026US 2026/0306988 A1Pratt & Whitney Canada Corp.
- Aircraft hybrid electric propulsion system8 Oct 2026US 2026/0307813 A1Pratt & Whitney Canada Corp.
- Rotor turning apparatus for a steam turbine generator8 Oct 2026US 2026/0309045 A1
- Gas turbine engine with improved heat management8 Oct 2026US 2026/0309080 A1ROLLS-ROYCE plc
- Electric machine comprising a clutch assembly8 Oct 2026US 2026/0309086 A1Unison Industries, LLC
Most cited
By later US patents
- Geartrain coupling for a turbofan engine421US 7,021,042 B2United Technologies Corporation · 2006
- Epicyclic gear train integral sun gear coupling design409US 7,591,754 B2United Technologies Corporation · 2009
- Flexible shaft for gas turbine engine391US 7,926,260 B2United Technologies Corporation · 2011
- Integral sun gear coupling360US 7,824,305 B2United Technologies Corporation · 2010
- Aircraft engine starting and emergency power generating system275US 4,979,362 ASundstrand Corporation · 1990