H01J 35/24
Tubes wherein the point of impact of the cathode ray on the
Official title: Tubes wherein the point of impact of the cathode ray on the anode or anticathode is movable relative to the surface thereof
H01J35/24 (Tubes wherein the point of impact of the cathode ray on the) appears on 435 US grants and 363 published applications in this corpus.
Search patents in H01J- Granted patents
- 435
- Published applications
- 363
- Assignees
- 182
- Inventors
- 771
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 0 |
| 2002 | 6 | 4 |
| 2003 | 4 | 4 |
| 2004 | 5 | 16 |
| 2005 | 9 | 13 |
| 2006 | 9 | 10 |
| 2007 | 12 | 16 |
| 2008 | 10 | 14 |
| 2009 | 14 | 15 |
| 2010 | 14 | 30 |
| 2011 | 9 | 10 |
| 2012 | 14 | 14 |
| 2013 | 7 | 9 |
| 2014 | 9 | 21 |
| 2015 | 16 | 31 |
| 2016 | 13 | 8 |
| 2017 | 18 | 19 |
| 2018 | 17 | 13 |
| 2019 | 13 | 11 |
| 2020 | 17 | 17 |
| 2021 | 18 | 23 |
| 2022 | 13 | 11 |
| 2023 | 19 | 13 |
| 2024 | 14 | 25 |
| 2025 | 12 | 10 |
| 2026 | 7 | 6 |
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.
- X-ray tube device and x-ray CT apparatus22 Sep 2026US 12,745,339 B2FUJIFILM Healthcare Corporation
- X-ray generator8 Sep 2026US 12,731,752 B2Hamamatsu Photonics K.K.
- X-ray generation device14 Jul 2026US 12,683,110 B2Hamamatsu Photonics K.K.
- Electron emitter for multiple focal spot sizes19 May 2026US 12,633,488 B2Siemens Healthineers AG
- Improvements in and relating to x-ray sources8 Oct 2026US 2026/0311952 A1Kratos Analytical Limited
- Vacuum enclosures and x-ray sources including vacuum enclosures with multiple sealable openings24 Sep 2026US 2026/0290738 A1Varex Imaging Corporation
- Electron beam emission structure and field emission device3 Sep 2026US 2026/0260836 A1Meidensha Corporation
- X-ray imaging device and method for extending image parameters14 May 2026US 2026/0133143 A1Bruker Belgium N.V.
- Compact x-ray electron beam scan tube, system and method23 Apr 2026US 2026/0112565 A1
Most cited
By later US patents
- X-ray source with shaped radiation pattern254US 5,422,926 APhotoelectron Corporation · 1995
- System for inspecting the contents of a container188US 6,542,574 B2American Science and Engineering, Inc. · 2003
- X-ray apparatus for applying a predetermined flux to an interior surface of a body cavity166US 5,621,780 APhotoelectron Corporation · 1997
- X-ray source with flexible probe153US 5,428,658 APhotoelectron Corporation · 1995
- X-ray tube133US 6,339,635 B12002