H01J 35/00
X-ray tubes
H01J35/00 (X-ray tubes) appears on 3,057 US grants and 2,503 published applications in this corpus.
Search patents in H01J- Granted patents
- 3,057
- Published applications
- 2,503
- Assignees
- 719
- Inventors
- 3,872
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 20 | 0 |
| 1977 | 26 | 0 |
| 1978 | 42 | 0 |
| 1979 | 24 | 0 |
| 1980 | 32 | 0 |
| 1981 | 23 | 0 |
| 1982 | 30 | 0 |
| 1983 | 18 | 0 |
| 1984 | 20 | 0 |
| 1985 | 19 | 0 |
| 1986 | 34 | 0 |
| 1987 | 40 | 0 |
| 1988 | 26 | 0 |
| 1989 | 31 | 0 |
| 1990 | 40 | 0 |
| 1991 | 36 | 0 |
| 1992 | 36 | 0 |
| 1993 | 38 | 0 |
| 1994 | 23 | 0 |
| 1995 | 27 | 0 |
| 1996 | 53 | 0 |
| 1997 | 42 | 0 |
| 1998 | 41 | 0 |
| 1999 | 37 | 0 |
| 2000 | 48 | 0 |
| 2001 | 60 | 16 |
| 2002 | 86 | 56 |
| 2003 | 58 | 43 |
| 2004 | 46 | 76 |
| 2005 | 46 | 79 |
| 2006 | 72 | 58 |
| 2007 | 65 | 84 |
| 2008 | 74 | 79 |
| 2009 | 64 | 95 |
| 2010 | 80 | 134 |
| 2011 | 70 | 97 |
| 2012 | 82 | 108 |
| 2013 | 74 | 102 |
| 2014 | 64 | 144 |
| 2015 | 122 | 162 |
| 2016 | 124 | 117 |
| 2017 | 133 | 119 |
| 2018 | 103 | 113 |
| 2019 | 117 | 132 |
| 2020 | 158 | 118 |
| 2021 | 126 | 120 |
| 2022 | 84 | 105 |
| 2023 | 95 | 96 |
| 2024 | 93 | 103 |
| 2025 | 97 | 93 |
| 2026 | 58 | 54 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Patterned X-ray emitting target29 Sep 2026US 12,749,642 B2Nova Measuring Instruments Ltd.
- Method and arrangement for an X-ray source29 Sep 2026US 12,750,938 B2Excillum AB
- X-ray tube22 Sep 2026US 12,744,177 B2Hamamatsu Photonics K.K.
- X-ray tube device and x-ray CT apparatus22 Sep 2026US 12,745,339 B2FUJIFILM Healthcare Corporation
- X-ray tube with stable electron beam15 Sep 2026US 12,738,440 B2Moxtek, Inc.
- X-ray devices with nanotube emitters and methods of forming8 Oct 2026US 2026/0311951 A1Varex Imaging Corporation
- Improvements in and relating to x-ray sources8 Oct 2026US 2026/0311952 A1Kratos Analytical Limited
- Planar filament with focused, central electron emission24 Sep 2026US 2026/0290737 A1Moxtek, Inc.
- Vacuum enclosures and x-ray sources including vacuum enclosures with multiple sealable openings24 Sep 2026US 2026/0290738 A1Varex Imaging Corporation
- X-ray tubes, enclosures for x-ray tubes, and methods of manufacture24 Sep 2026US 2026/0290739 A1Varex Imaging Corporation
Most cited
By later US patents
- X-ray source with shaped radiation pattern254US 5,422,926 APhotoelectron Corporation · 1995
- X-ray generating mechanism using electron field emission cathode190US 6,553,096 B1University of North Carolina - Chapel Hill · 2003
- System for inspecting the contents of a container188US 6,542,574 B2American Science and Engineering, Inc. · 2003
- Liquid cooled anode x-ray tubes179US 4,622,687 A1986
- Miniature x-ray source178US 5,729,583 AThe United States of America as represented by the Secretary of Commerce · 1998