H01J 2235/1046
Bearings and bearing contact surfaces
H01J2235/1046 (Bearings and bearing contact surfaces) appears on 169 US grants and 104 published applications in this corpus.
Search patents in H01J- Granted patents
- 169
- Published applications
- 104
- Assignees
- 40
- Inventors
- 263
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 1 |
| 2002 | 11 | 6 |
| 2003 | 6 | 2 |
| 2004 | 2 | 3 |
| 2005 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 3 | 3 |
| 2008 | 5 | 10 |
| 2009 | 6 | 8 |
| 2010 | 5 | 5 |
| 2011 | 4 | 5 |
| 2012 | 4 | 4 |
| 2013 | 3 | 3 |
| 2014 | 5 | 3 |
| 2015 | 2 | 2 |
| 2016 | 4 | 6 |
| 2017 | 2 | 3 |
| 2018 | 12 | 12 |
| 2019 | 5 | 4 |
| 2020 | 8 | 5 |
| 2021 | 4 | 3 |
| 2022 | 2 | 4 |
| 2023 | 2 | 4 |
| 2024 | 5 | 0 |
| 2025 | 2 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sliding bearing unit and rotary anode type X-RAY tube30 Sep 2025US 12,431,317 B2Canon Electron Tubes & Devices Co., Ltd.
- Rotary anode bearing assembly and rotary anode for X-ray tube and method for assembling a rotary anode bearing assembly8 Apr 2025US 12,272,516 B2MINEBEA MITSUMI Inc.
- X-ray tube device and X-ray CT apparatus24 Sep 2024US 12,100,571 B2FUJIFILM Corporation
- Rotary x-ray anode having an integrated liquid metal bearing outer shell24 Sep 2024US 12,100,572 B2Plansee SE
- Hydrodynamic bearing system and method for operating said hydrodynamic bearing system3 Sep 2024US 12,078,203 B2GE Precision Healthcare LLC
- Rotating anode disk assemblies9 Apr 2026US 2026/0100323 A1IXRF, Inc.
- Rotating anode x-ray tube12 Mar 2026US 2026/0074137 A1Canon Electron Tubes & Devices Co., Ltd.
- Anode rotation sensing in x-ray tubes4 Dec 2025US 2025/0372336 A1Varex Imaging Corporation
- Anode rotation sensing in x-ray tubes4 Dec 2025US 2025/0372337 A1Varex Imaging Corporation
- Liquid metal bearing with enhanced sealing structures26 Oct 2023US 2023/0343544 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
- Rotary-anode X-ray tube51US 4,210,371 AU. S. Philips Corporation · 1980
- Systems, methods and apparatus of a composite X-Ray target36US 7,382,864 B2General Electric Company · 2008
- 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