F05D 2260/4031
As in toothed gearing
Official title: as in toothed gearing
F05D2260/4031 (As in toothed gearing) appears on 2,108 US grants and 2,658 published applications in this corpus.
Search patents in F05D- Granted patents
- 2,108
- Published applications
- 2,658
- Assignees
- 185
- Inventors
- 2,035
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 7 |
| 2005 | 3 | 6 |
| 2006 | 5 | 16 |
| 2007 | 4 | 15 |
| 2008 | 6 | 29 |
| 2009 | 12 | 24 |
| 2010 | 17 | 30 |
| 2011 | 26 | 21 |
| 2012 | 23 | 42 |
| 2013 | 33 | 107 |
| 2014 | 62 | 88 |
| 2015 | 59 | 106 |
| 2016 | 35 | 222 |
| 2017 | 77 | 191 |
| 2018 | 141 | 214 |
| 2019 | 199 | 206 |
| 2020 | 239 | 301 |
| 2021 | 245 | 227 |
| 2022 | 223 | 178 |
| 2023 | 212 | 189 |
| 2024 | 221 | 151 |
| 2025 | 164 | 142 |
| 2026 | 89 | 145 |
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
- 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
- Gas turbine propulsion system with spool coupling device8 Oct 2026US 2026/0309088 A1Rtx Corporation
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
- Lubrication of windmilling journal bearings269US 7,662,059 B2United Technologies Corporation · 2010