F04D 29/056
Bearings
F04D29/056 (Bearings) appears on 1,404 US grants and 1,705 published applications in this corpus.
Search patents in F04D- Granted patents
- 1,404
- Published applications
- 1,705
- Assignees
- 557
- Inventors
- 2,935
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 7 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 9 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 14 | 4 |
| 2002 | 28 | 19 |
| 2003 | 20 | 21 |
| 2004 | 16 | 24 |
| 2005 | 11 | 35 |
| 2006 | 17 | 26 |
| 2007 | 15 | 37 |
| 2008 | 13 | 50 |
| 2009 | 12 | 37 |
| 2010 | 26 | 40 |
| 2011 | 27 | 44 |
| 2012 | 28 | 43 |
| 2013 | 29 | 81 |
| 2014 | 34 | 83 |
| 2015 | 40 | 92 |
| 2016 | 58 | 100 |
| 2017 | 77 | 117 |
| 2018 | 93 | 138 |
| 2019 | 106 | 117 |
| 2020 | 137 | 105 |
| 2021 | 89 | 106 |
| 2022 | 106 | 96 |
| 2023 | 86 | 78 |
| 2024 | 95 | 85 |
| 2025 | 68 | 72 |
| 2026 | 53 | 55 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Motorized compressor device with air bearing having reduced axial and radial stack-up6 Oct 2026US 12,753,707 B2Garrett Transportation I Inc.
- Fan6 Oct 2026US 12,753,768 B2Levitronix LLC
- Flexible support structure for a geared architecture gas turbine engine29 Sep 2026US 12,747,675 B2Rtx Corporation
- Magnetic bearing and compressor22 Sep 2026US 12,742,475 B2Gree Electric Appliances, Inc. of Zhuhai
- Electric centrifugal compressor8 Sep 2026US 12,729,690 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Compressor assembly1 Oct 2026US 2026/0298254 A1Siemens Energy Global GmbH & Co. KG
- Radial compressor with radial bearing and radial seal1 Oct 2026US 2026/0298255 A1ebm-papst Mulfingen GmbH & Co. KGaA & Co. KG
- A vacuum pump and a permanent magnetic bearing assembly for a vacuum pump24 Sep 2026US 2026/0286969 A1
- Magnetic assembly and vacuum pump17 Sep 2026US 2026/0275991 A1Leybold Aktiengesellschaft
- Centrifugal compressor10 Sep 2026US 2026/0266311 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Blower with bearing tube333US 8,636,479 B2ResMed Motor Technologies Inc. · 2014
- Compressor149US 5,857,348 AMultistack International Limited · 1999
- Centrifugal compressor110US 4,523,896 ACreusot-Loire · 1985
- Method for preventing collision of two mutually movable bodies and an apparatus including an arrangement for preventing collision109US 4,578,757 AU. S. Philips Corporation · 1986
- Low noise turbine for geared turbofan engine84US 8,246,292 B1MTU Aero Engines AG · 2012