H01J 35/13
Active cooling
Official title: {Active cooling, e.g. fluid flow, heat pipes}
H01J35/13 (Active cooling) appears on 116 US grants and 108 published applications in this corpus.
Search patents in H01J- Granted patents
- 116
- Published applications
- 108
- Assignees
- 77
- Inventors
- 263
- Latest grant
- 25 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 1 |
| 2003 | 3 | 2 |
| 2004 | 0 | 5 |
| 2005 | 2 | 2 |
| 2006 | 4 | 1 |
| 2007 | 2 | 2 |
| 2008 | 4 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 3 |
| 2011 | 2 | 3 |
| 2012 | 4 | 6 |
| 2013 | 2 | 2 |
| 2014 | 2 | 9 |
| 2015 | 3 | 8 |
| 2016 | 7 | 4 |
| 2017 | 6 | 2 |
| 2018 | 2 | 4 |
| 2019 | 2 | 3 |
| 2020 | 9 | 5 |
| 2021 | 6 | 16 |
| 2022 | 5 | 6 |
| 2023 | 12 | 5 |
| 2024 | 4 | 4 |
| 2025 | 6 | 5 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- X-ray source for X-ray diffraction apparatus, related apparatus and method25 Nov 2025US 12,480,895 B2Proto Patents Ltd.
- X-ray tube with corrugated wall25 Nov 2025US 12,482,626 B2
- Anodes, cooling systems, and x-ray sources including the same15 Jul 2025US 12,362,127 B2Varex Imaging Corporation
- Radiotherapy target device29 Apr 2025US 12,288,661 B2Shanghai United Imaging Healthcare Co., Ltd.
- Method and system for producing isotopes22 Apr 2025US 12,283,387 B2Northstar Medical Technologies, LLC
- X-ray apparatus with non-linear anode and non-linear cooling channels17 Sep 2026US 2026/0279714 A1Varex Imaging Corporation
- High brightness x-ray source10 Sep 2026US 2026/0269167 A1Nova Measuring Instruments Ltd.
- Improved cooling x-ray tube anode head4 Jun 2026US 2026/0155327 A1incoatec GmbH
- Cooled anodes, x-ray tubes, and methods of forming the same7 May 2026US 2026/0128250 A1Varex Imaging Corporation
- Anodes, cooling systems, and x-ray sources including the same2 Oct 2025US 2025/0308831 A1Varex Imaging Corporation
Most cited
By later US patents
- X-ray apparatus for computed tomography scanner107US 4,274,005 ATokyo Shibaura Denki Kabushiki Kaisha · 1981
- X-ray sources84US 7,349,525 B2Rapiscan Systems, Inc. · 2008
- Target for production of x-rays72US 6,463,123 B1STERIS Inc. · 2002
- Hand held precision X-ray source69US 4,694,480 AKevex Corporation · 1987
- X-ray sources63US 8,094,784 B2Rapiscan Systems, Inc. · 2012