H01J 35/106
Active cooling
Official title: {Active cooling, e.g. fluid flow, heat pipes}
H01J35/106 (Active cooling) appears on 114 US grants and 83 published applications in this corpus.
Search patents in H01J- Granted patents
- 114
- Published applications
- 83
- Assignees
- 66
- Inventors
- 214
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 2 |
| 2003 | 3 | 1 |
| 2004 | 3 | 2 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 3 | 6 |
| 2008 | 5 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 5 |
| 2011 | 3 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 6 |
| 2015 | 2 | 5 |
| 2016 | 3 | 2 |
| 2017 | 5 | 3 |
| 2018 | 9 | 7 |
| 2019 | 2 | 6 |
| 2020 | 8 | 8 |
| 2021 | 8 | 7 |
| 2022 | 5 | 2 |
| 2023 | 4 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- X-ray generating apparatus and imaging device7 Apr 2026US 12,597,580 B2Siemens Healthineers AG
- Shielded x-ray source with radiation shielding and cooling system6 May 2025US 12,295,087 B2Linev Systems, Inc.
- Radiation emission device27 Aug 2024US 12,074,006 B2Shanghai United Imaging Healthcare Co., Ltd.
- Water cooled, air bearing based rotating anode x-ray illumination source9 Apr 2024US 11,955,308 B1KLA Corporation
- Rotary-transmission-target microfocus X-ray source and ray generation method14 Nov 2023US 11,817,287 B1Beijing Institute of Technology
- 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.
- Systems and methods for an x-ray tube6 Nov 2025US 2025/0344310 A1GE Precision Healthcare LLC
- High Brightness X-Ray Source For Semiconductor Metrology18 Sep 2025US 2025/0292987 A1
- Rotating anode x-ray tube18 Sep 2025US 2025/0292988 A1Canon Electron Tubes & Devices Co., Ltd.
Most cited
By later US patents
- Liquid cooled anode x-ray tubes179US 4,622,687 A1986
- Rotating anode x-ray source and cooling technique therefor71US 4,165,472 ARockwell International Corporation · 1979
- X-ray tube having rotary anode cooled with high thermal conductivity fluid62US 5,541,975 A1996
- High duty-cycle x-ray tube54US 5,105,456 AImatron, Inc. · 1992
- X-ray target cooling50US 4,945,562 AGeneral Electric Company · 1990