H01J 35/32
Tubes wherein the x-rays are produced at or near the end of
Official title: Tubes wherein the X-rays are produced at or near the end of the tube or a part thereof which tube or part has a small cross-section to facilitate introduction into a small hole or cavity
H01J35/32 (Tubes wherein the x-rays are produced at or near the end of) appears on 118 US grants and 93 published applications in this corpus.
Search patents in H01J- Granted patents
- 118
- Published applications
- 93
- Assignees
- 76
- Inventors
- 196
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 3 |
| 2002 | 12 | 14 |
| 2003 | 10 | 7 |
| 2004 | 4 | 6 |
| 2005 | 2 | 6 |
| 2006 | 7 | 5 |
| 2007 | 3 | 1 |
| 2008 | 1 | 1 |
| 2009 | 2 | 3 |
| 2010 | 4 | 5 |
| 2011 | 2 | 2 |
| 2012 | 0 | 2 |
| 2013 | 2 | 4 |
| 2014 | 0 | 5 |
| 2015 | 6 | 5 |
| 2016 | 2 | 4 |
| 2017 | 7 | 4 |
| 2018 | 2 | 2 |
| 2019 | 2 | 3 |
| 2020 | 4 | 4 |
| 2021 | 4 | 3 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Three-dimensional beam forming X-ray source24 Jun 2025US 12,340,968 B2Empyrean Medical Systems, Inc.
- Three-dimensional beam forming X-ray source2 Jul 2024US 12,027,341 B2Empyrean Medical Systems, Inc.
- Regulated charged particle beam emitter systems and methods13 Feb 2024US 11,899,159 B2Schlumberger Technology Corporation
- Method for reducing the diameter of a x-ray tube through recessing of the vacuum port5 Sep 2023US 11,749,490 B2Visuray Intech Ltd (BVI)
- Three-dimensional beam forming x-ray source6 Dec 2022US 11,521,820 B2Empyrean Medical Systems, Inc.
- Three-dimensional beam forming x-ray source29 May 2025US 2025/0174423 A1Empyrean Medical Systems, Inc.
- Three-dimensional beam forming x-ray source8 Aug 2024US 2024/0266137 A1Empyrean Medical Systems, Inc.
- Three-dimensional beam forming x-ray source8 Jun 2023US 2023/0178324 A1Empyrean Medical Systems, Inc.
- Method for reducing the diameter of a x-ray tube through recessing of the vacuum port28 Jul 2022US 2022/0238294 A1Visuray Intech Ltd (BVI)
- X-ray tube device and spring pin1 Jul 2021US 2021/0204385 A1Nuctech Company Limited
Most cited
By later US patents
- X-ray source with shaped radiation pattern254US 5,422,926 APhotoelectron Corporation · 1995
- Miniature x-ray source178US 5,729,583 AThe United States of America as represented by the Secretary of Commerce · 1998
- 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
- Miniaturized low power x-ray source135US 5,153,900 APhotoelectron Corporation · 1992