F01D 25/16
Arrangement of bearings
Official title: Arrangement of bearings; Supporting or mounting bearings in casings (bearings per se F16C)
F01D25/16 (Arrangement of bearings) appears on 2,930 US grants and 2,980 published applications in this corpus.
Search patents in F01D- Granted patents
- 2,930
- Published applications
- 2,980
- Assignees
- 425
- Inventors
- 4,445
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 10 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 10 | 0 |
| 1981 | 15 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 21 | 0 |
| 1985 | 12 | 0 |
| 1986 | 6 | 0 |
| 1987 | 13 | 0 |
| 1988 | 13 | 0 |
| 1989 | 14 | 0 |
| 1990 | 19 | 0 |
| 1991 | 18 | 0 |
| 1992 | 21 | 0 |
| 1993 | 24 | 0 |
| 1994 | 11 | 0 |
| 1995 | 11 | 0 |
| 1996 | 12 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 17 | 0 |
| 2001 | 20 | 3 |
| 2002 | 26 | 18 |
| 2003 | 13 | 29 |
| 2004 | 24 | 36 |
| 2005 | 30 | 38 |
| 2006 | 22 | 36 |
| 2007 | 19 | 50 |
| 2008 | 30 | 55 |
| 2009 | 33 | 64 |
| 2010 | 37 | 70 |
| 2011 | 29 | 69 |
| 2012 | 83 | 102 |
| 2013 | 81 | 167 |
| 2014 | 89 | 165 |
| 2015 | 104 | 198 |
| 2016 | 105 | 285 |
| 2017 | 195 | 225 |
| 2018 | 253 | 263 |
| 2019 | 292 | 218 |
| 2020 | 265 | 211 |
| 2021 | 209 | 162 |
| 2022 | 189 | 135 |
| 2023 | 164 | 113 |
| 2024 | 129 | 111 |
| 2025 | 118 | 83 |
| 2026 | 64 | 74 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bearing for turbomachine variable pitch stator vane pivot, stator vane comprising such a bearing and turbomachine comprising such stator vanes6 Oct 2026US 12,753,705 B2Safran Aircraft Engines
- Motorized compressor device with air bearing having reduced axial and radial stack-up6 Oct 2026US 12,753,707 B2Garrett Transportation I Inc.
- Turbocharger29 Sep 2026US 12,747,674 B2IHI Corporation
- Flexible support structure for a geared architecture gas turbine engine29 Sep 2026US 12,747,675 B2Rtx Corporation
- Joint arrangement for impeller containment22 Sep 2026US 12,742,400 B2Pratt & Whitney Canada Corp.
- Axial pump with integrated seal8 Oct 2026US 2026/0309043 A1Pratt & Whitney Canada Corp.
- Reinforcement assembly for gas turbine bearing housing8 Oct 2026US 2026/0309049 A1
- Maintainable design for bearing compartment service line incorporating a grooved end8 Oct 2026US 2026/0309052 A1Rtx Corporation
- Turbofan engine including a fan actuation system1 Oct 2026US 2026/0298101 A1General Electric Company
- Turbofan engine including a fan actuation system17 Sep 2026US 2026/0275875 A1General Electric Company
Most cited
By later US patents
- Turbine exhaust case design330US 4,478,551 AUnited Technologies Corporation · 1984
- Aircraft engine with inter-turbine engine frame supported counter rotating low pressure turbine rotors329US 6,619,030 B1General Electric Company · 2003
- Aircraft engine with inter-turbine engine frame278US 6,883,303 B1General Electric Company · 2005
- Gas turbine engine rotor support system219US 5,361,580 AGeneral Electric Company · 1994
- Bearing damper system211US 4,289,360 AGeneral Electric Company · 1981