F04D 29/059
Roller bearings
F04D29/059 (Roller bearings) appears on 363 US grants and 441 published applications in this corpus.
Search patents in F04D- Granted patents
- 363
- Published applications
- 441
- Assignees
- 219
- Inventors
- 917
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 4 |
| 2002 | 8 | 5 |
| 2003 | 7 | 8 |
| 2004 | 4 | 6 |
| 2005 | 1 | 10 |
| 2006 | 7 | 8 |
| 2007 | 3 | 10 |
| 2008 | 6 | 19 |
| 2009 | 5 | 14 |
| 2010 | 8 | 13 |
| 2011 | 12 | 13 |
| 2012 | 11 | 7 |
| 2013 | 8 | 13 |
| 2014 | 8 | 26 |
| 2015 | 13 | 19 |
| 2016 | 8 | 31 |
| 2017 | 16 | 24 |
| 2018 | 25 | 32 |
| 2019 | 26 | 34 |
| 2020 | 31 | 24 |
| 2021 | 19 | 22 |
| 2022 | 24 | 24 |
| 2023 | 22 | 23 |
| 2024 | 26 | 26 |
| 2025 | 17 | 12 |
| 2026 | 15 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbomolecular pump16 Jun 2026US 12,655,850 B2Detect-Ion LLC
- Pump, a bearing assembly for a pump and a method of assembling the bearing assembly26 May 2026US 12,638,053 B2Edwards Limited
- Fan bearing anti-slip fixing structure with bushing5 May 2026US 12,618,415 B1Asia Vital Components Co., Ltd.
- Fan bearing support system for gas turbine engine with power gearbox28 Apr 2026US 12,612,921 B1General Electric Company
- Turbopump capable of balancing axial thrust21 Apr 2026US 12,607,195 B2Korea Aerospace Research Institute
- Turbofan engine including a fan actuation system27 Aug 2026US 2026/0251152 A1General Electric Company
- Turbofan engine including a fan actuation system23 Jul 2026US 2026/0210255 A1General Electric Company
- Bearing sleeve for blower25 Jun 2026US 2026/0174983 A1ResMed Motor Technologies Inc.
- Rotating device25 Jun 2026US 2026/0177061 A1MINEBEA MITSUMI Inc.
- Turbofan engine including a fan actuation system18 Jun 2026US 2026/0168511 A1General Electric Company
Most cited
By later US patents
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- Turbine engine with cooled P3 air to impeller rear cavity59US 6,035,627 APratt & Whitney Canada Corp. · 2000
- Low capacity centrifugal refrigeration compressor57US 5,350,039 ANartron Corporation · 1994
- Hybrid bearing turbomachine54US 9,234,522 B2United Technologies Corporation · 2016
- Compact turbocharger45US 6,739,845 B22004