H01J 35/104
Fluid bearings
Official title: {Fluid bearings}
H01J35/104 (Fluid bearings) appears on 96 US grants and 72 published applications in this corpus.
Search patents in H01J- Granted patents
- 96
- Published applications
- 72
- Assignees
- 24
- Inventors
- 157
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 7 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 3 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 2 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 4 |
| 2010 | 2 | 2 |
| 2011 | 3 | 4 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 3 | 3 |
| 2015 | 0 | 2 |
| 2016 | 4 | 3 |
| 2017 | 2 | 6 |
| 2018 | 6 | 3 |
| 2019 | 4 | 6 |
| 2020 | 6 | 4 |
| 2021 | 5 | 5 |
| 2022 | 4 | 2 |
| 2023 | 3 | 5 |
| 2024 | 4 | 3 |
| 2025 | 2 | 7 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Smart power system and method to protect an X-ray tube during a power outage15 Sep 2026US 12,739,960 B2GE Precision Healthcare LLC
- Sliding bearing unit and rotating anode X-ray tube7 Jul 2026US 12,676,277 B2Canon Electron Tubes & Devices Co., Ltd.
- X-ray generating apparatus and imaging device7 Apr 2026US 12,597,580 B2Siemens Healthineers AG
- Sliding bearing unit and rotary anode type X-RAY tube30 Sep 2025US 12,431,317 B2Canon Electron Tubes & Devices Co., Ltd.
- Systems and methods for a liquid metal bearing assembly fill port and plug3 Jun 2025US 12,322,566 B2GE Precision Healthcare LLC
- Rotating anode x-ray tube12 Mar 2026US 2026/0074137 A1Canon Electron Tubes & Devices Co., Ltd.
- Systems and methods for an x-ray tube6 Nov 2025US 2025/0344310 A1GE Precision Healthcare LLC
- Smart power system and method to protect an x-ray tube during a power outage30 Oct 2025US 2025/0338383 A1GE Precision Healthcare LLC
- Rotating anode x-ray tube18 Sep 2025US 2025/0292988 A1Canon Electron Tubes & Devices Co., Ltd.
- Thrust bearing vent for a liquid metal bearing assembly1 May 2025US 2025/0140508 A1GE Precision Healthcare LLC
Most cited
By later US patents
- Rotary anode X-ray tube having a sliding bearing58US 4,677,651 AU. S. Philips Corporation · 1987
- X-ray apparatus having a control device for preventing damaging X-ray emissions27US 5,809,106 AKabushiki Kaisha Toshiba · 1998
- X-ray tube apparatus25US 5,260,983 AKabushiki Kaisha Toshiba · 1993
- X-ray tube comprising anode disc rotatably supported by bearing having push-pull bearing on an axial face24US 4,641,332 AU. S. Philips Corporation · 1987
- Metal-lubricated helical-groove bearing comprising an anti-wetting layer21US 4,614,445 AU. S. Philips Corporation · 1986