F01D 25/186
For sliding contact bearing
Official title: {for sliding contact bearing}
F01D25/186 (For sliding contact bearing) appears on 195 US grants and 183 published applications in this corpus.
Search patents in F01D- Granted patents
- 195
- Published applications
- 183
- Assignees
- 78
- Inventors
- 429
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 1 |
| 2003 | 0 | 2 |
| 2004 | 3 | 2 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 0 |
| 2010 | 1 | 6 |
| 2011 | 1 | 2 |
| 2012 | 3 | 2 |
| 2013 | 3 | 9 |
| 2014 | 11 | 19 |
| 2015 | 3 | 14 |
| 2016 | 5 | 17 |
| 2017 | 18 | 12 |
| 2018 | 22 | 20 |
| 2019 | 21 | 21 |
| 2020 | 18 | 10 |
| 2021 | 16 | 11 |
| 2022 | 6 | 8 |
| 2023 | 14 | 7 |
| 2024 | 8 | 6 |
| 2025 | 9 | 4 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gearboxes for aircraft gas turbine engines26 May 2026US 12,637,961 B2ROLLS-ROYCE plc
- Oil shield for a rotating assembly14 Apr 2026US 12,601,274 B1Rtx Corporation
- Fan module equipped with an oil transfer device4 Nov 2025US 12,460,550 B2Safran Aircraft Engines
- Additive manufactured bearing cap for temperature reduction on bearing cap wetted wall14 Oct 2025US 12,442,313 B2Solar Turbines Incorporated
- Carbon radial seal23 Sep 2025US 12,421,901 B2Rtx Corporation
- Turbomachine27 Aug 2026US 2026/0251078 A1Kawasaki Jukogyo Kabushiki Kaisha
- Gearboxes for aircraft gas turbine engines2 Jul 2026US 2026/0185464 A1ROLLS-ROYCE plc
- Carbon Radial Seal4 Jun 2026US 2026/0153056 A1Rtx Corporation
- Sealing device and turbomachine comprising the sealing device16 Apr 2026US 2026/0103992 A1Safran Aircraft Engines
- Gearboxes for aircraft gas turbine engines7 Aug 2025US 2025/0250912 A1ROLLS-ROYCE plc
Most cited
By later US patents
- Bearing cooling arrangement for air cycle machine65US 5,113,670 AUnited Technologies Corporation · 1992
- Pressure balanced turbocharger rotating seal45US 5,890,881 AAlliedSignal Inc. · 1999
- Lubricating and oil seal system for a high speed compressor39US 3,976,165 ANorwalk-Turbo, Inc. · 1976
- Gas turbine driven high speed centrifugal compressor unit38US 4,057,371 ANorwalk-Turbo, Inc. · 1977
- Oil seal system for shaft of turbocharger34US 4,389,052 AIshikawajima-Harima Jukogyo Kabushiki Kaisha · 1983