F04D 29/0467
Spherical bearings
Official title: {Spherical bearings}
F04D29/0467 (Spherical bearings) appears on 100 US grants and 77 published applications in this corpus.
Search patents in F04D- Granted patents
- 100
- Published applications
- 77
- Assignees
- 62
- Inventors
- 176
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 1 |
| 2003 | 1 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 5 |
| 2008 | 2 | 2 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 3 | 6 |
| 2012 | 3 | 0 |
| 2013 | 2 | 6 |
| 2014 | 5 | 3 |
| 2015 | 0 | 3 |
| 2016 | 2 | 4 |
| 2017 | 4 | 4 |
| 2018 | 3 | 4 |
| 2019 | 6 | 1 |
| 2020 | 3 | 3 |
| 2021 | 2 | 1 |
| 2022 | 3 | 6 |
| 2023 | 4 | 5 |
| 2024 | 3 | 4 |
| 2025 | 4 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Portable fan, drive circuit, handheld fan, and neck fan13 Jan 2026US 12,523,231 B2Shenzhen Jisu Technology Co., Ltd
- Fluid pump2 Dec 2025US 12,485,270 B2Berlin Heart GmbH
- Valve-integrated electric water pump11 Nov 2025US 12,467,477 B2Coavis
- Modular fluid pump for use in diverse applications19 Aug 2025US 12,395,022 B2GHSP, Inc.
- Blood pump shaft bearing6 May 2025US 12,290,676 B2Boston Scientific Scimed, Inc.
- Driving apparatus and blood pump11 Jun 2026US 2026/0158261 A1Shenzhen Core Medical Technology Co., Ltd.
- Portable fan, drive circuit, handheld fan, and neck fan12 Feb 2026US 2026/0043411 A1Shenzhen Jisu Technology Co., Ltd
- Modular fluid pump for use in diverse applications6 Nov 2025US 2025/0343455 A1GHSP, Inc.
- Blood pump shaft bearing17 Jul 2025US 2025/0229078 A1Boston Scientific Scimed, Inc.
- Portable fan, drive circuit, handheld fan, and neck fan13 Feb 2025US 2025/0052250 A1Shenzhen Jisu Technology Co., Ltd
Most cited
By later US patents
- Method and apparatus for cardiac blood flow assistance397US 5,911,685 AGuidant Corporation · 1999
- Method for providing a jewel bearing for supporting a pump rotor shaft388US 6,254,359 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2001
- Intravascular blood pump382US 6,176,848 B1Impella Cardiotechnik Aktiengesellschaft · 2001
- Implantable electric axial-flow blood pump344US 5,588,812 ANimbus, Inc. · 1996
- Sealless rotodynamic pump with fluid bearing280US 5,370,509 AThe Cleveland Clinic Foundation · 1994