G21F 5/02
Transportable or portable shielded containers: with provision for restricted exposure of a
Official title: with provision for restricted exposure of a radiation source within the container
G21F5/02 (Transportable or portable shielded containers: with provision for restricted exposure of a) appears on 96 US grants and 60 published applications in this corpus.
Search patents in G21F- Granted patents
- 96
- Published applications
- 60
- Assignees
- 67
- Inventors
- 220
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 2 | 3 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 4 |
| 2018 | 3 | 3 |
| 2019 | 5 | 2 |
| 2020 | 5 | 4 |
| 2021 | 1 | 4 |
| 2022 | 4 | 3 |
| 2023 | 7 | 5 |
| 2024 | 4 | 9 |
| 2025 | 7 | 6 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Ray protection device and radiation inspection system9 Jun 2026US 12,651,676 B2Nuctech Company Limited
- Radioprotective container for radiometric measuring devices11 Nov 2025US 12,469,613 B2Endress + Hauser GmbH + Co. KG
- Nuclear gauge21 Oct 2025US 12,451,263 B1Troxler Electronic Laboratories, Inc.
- Methods and apparatus for radiographic source exposure29 Jul 2025US 12,372,481 B2Qsa Global, Inc.
- Methods and apparatus for radiographic source exposure8 Jul 2025US 12,352,907 B2Qsa Global, Inc.
- Manufacturing systems and methods24 Sep 2026US 2026/0290638 A1
- Measurement apparatus and control method13 Aug 2026US 2026/0235400 A1Yokogawa Electric Corporation
- Radiography sources and radiation exposure devices having keyed locking devices15 Jan 2026US 2026/0018311 A1Qsa Global, Inc.
- Methods and apparatus for radiographic source exposure1 Jan 2026US 2026/0002892 A1Qsa Global, Inc.
- Methods and apparatus for radiographic source exposure1 Jan 2026US 2026/0003082 A1Qsa Global, Inc.
Most cited
By later US patents
- Multiple layer multileaf collimator75US 5,591,983 ASiemens Medical Systems, Inc. · 1997
- System and method for verifying the amount of radiation delivered to an object69US 5,754,622 ASiemens Medical Systems, Inc. · 1998
- Apparatus and method for delivering radiation to an object and for displaying delivered radiation65US 5,621,779 ASiemens Medical Systems, Inc. · 1997
- Apparatus and method for adjusting radiation in a radiation-emitting device64US 5,668,847 ASiemens Medical Systems, Inc. · 1997
- Brachytherapy medical devices63US 6,639,237 B2Mentor Corporation · 2003