H01J 2235/165
Shielding arrangements
H01J2235/165 (Shielding arrangements) appears on 239 US grants and 231 published applications in this corpus.
Search patents in H01J- Granted patents
- 239
- Published applications
- 231
- Assignees
- 93
- Inventors
- 411
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 2 |
| 2003 | 3 | 1 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 6 |
| 2007 | 6 | 7 |
| 2008 | 8 | 4 |
| 2009 | 3 | 8 |
| 2010 | 6 | 14 |
| 2011 | 11 | 11 |
| 2012 | 7 | 15 |
| 2013 | 6 | 10 |
| 2014 | 7 | 20 |
| 2015 | 16 | 15 |
| 2016 | 15 | 7 |
| 2017 | 13 | 8 |
| 2018 | 10 | 10 |
| 2019 | 11 | 16 |
| 2020 | 12 | 5 |
| 2021 | 13 | 13 |
| 2022 | 9 | 15 |
| 2023 | 9 | 7 |
| 2024 | 7 | 16 |
| 2025 | 13 | 12 |
| 2026 | 9 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- X-ray generation apparatus and X-ray imaging apparatus4 Aug 2026US 12,701,647 B2Canon Anelva Corporation
- X-ray tube2 Jun 2026US 12,646,677 B2Canon Electron Tubes & Devices Co., Ltd.
- X-ray generation apparatus and X-ray imaging apparatus28 Apr 2026US 12,615,704 B2Canon Anelva Corporation
- X-ray emitter and mobile x-ray device14 Apr 2026US 12,603,243 B2Siemens Healthineers AG
- Modular getters and getters with different materials in vacuum enclosures31 Mar 2026US 12,592,354 B2Varex Imaging Corporation
- Monochromatic x-ray system and methods for high power operation26 Mar 2026US 2026/0088241 A1Imagine Scientific, Inc.
- X-ray fluoroscopic imaging apparatus19 Mar 2026US 2026/0081092 A1Shimadzu Corporation
- X-ray tubes19 Feb 2026US 2026/0051452 A1
- X-ray tube15 Jan 2026US 2026/0018363 A1Canon Electron Tubes & Devices Co., Ltd.
- X-ray cathode shield8 Jan 2026US 2026/0011523 A1GE Precision Healthcare LLC
Most cited
By later US patents
- Filter apparatus for use with an x-ray source88US 4,837,794 AMaxwell Laboratories, Inc. · 1989
- X-Ray tube73US 4,468,802 ASiemens Aktiengesellschaft · 1984
- X-ray tube window heat shield73US 6,005,918 APicker International, Inc. · 1999
- X-ray tube66US 5,511,104 ASiemens Aktiengesellschaft · 1996
- X-ray tube having reduced window heating61US 5,987,097 AGeneral Electric Company · 1999