F04D 29/0566
Ceramic bearing designs
Official title: {Ceramic bearing designs}
F04D29/0566 (Ceramic bearing designs) appears on 26 US grants and 36 published applications in this corpus.
Search patents in F04D- Granted patents
- 26
- Published applications
- 36
- Assignees
- 24
- Inventors
- 71
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 1 |
| 2003 | 0 | 4 |
| 2004 | 3 | 3 |
| 2005 | 1 | 5 |
| 2006 | 2 | 3 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 2 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 1 | 3 |
| 2020 | 2 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Turbo chiller17 Mar 2026US 12,578,130 B2Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Offset compound bearing assembly15 Aug 2023US 11,725,693 B2Accessible Technologies, Inc.
- Motor assembly and method for manufacturing the same11 Oct 2022US 11,466,695 B2LG Electronics Inc.
- Two hybrid ball bearings and a compressor bearing arrangement18 May 2021US 11,009,035 B2Aktiebolaget Skf
- Motor having shock-proof design26 Jan 2021US 10,900,516 B2Delta Electronics, Inc.
- Turbo chiller12 Jun 2025US 2025/0189183 A1Mitsubishi Heavy Industries Thermal Systems, Ltd.
- Hydrogen pump for a redox flow battery13 Jun 2024US 2024/0194907 A1Ess Tech, Inc.
- Hydrogen pump for a redox flow battery13 Jun 2024US 2024/0194922 A1Ess Tech, Inc.
- Offset compound bearing assembly13 Jul 2023US 2023/0220883 A1Accessible Technologies, Inc.
- Turbo chiller5 May 2022US 2022/0136744 A1Mitsubishi Heavy Industries Thermal Systems, Ltd.
Most cited
By later US patents