G21F 1/085
Heavy metals or alloys
Official title: {Heavy metals or alloys}
G21F1/085 (Heavy metals or alloys) appears on 85 US grants and 118 published applications in this corpus.
Search patents in G21F- Granted patents
- 85
- Published applications
- 118
- Assignees
- 92
- Inventors
- 265
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 4 |
| 2014 | 3 | 4 |
| 2015 | 3 | 6 |
| 2016 | 3 | 1 |
| 2017 | 3 | 3 |
| 2018 | 2 | 7 |
| 2019 | 4 | 13 |
| 2020 | 11 | 15 |
| 2021 | 7 | 8 |
| 2022 | 11 | 9 |
| 2023 | 11 | 8 |
| 2024 | 3 | 11 |
| 2025 | 3 | 12 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Highly dense red mud shields for X-ray and γ-ray attenuation29 Sep 2026US 12,747,190 B2Council of Scientific and Industrial Research
- Shielding device of source mounting and demounting for nuclear logging instrument15 Sep 2026US 12,736,707 B2Institute of Geology and Geophysics, Cas
- Radiation imaging apparatus30 Jun 2026US 12,669,622 B2Konica Minolta, Inc.
- Radioisotope power system for vehicle19 May 2026US 12,633,429 B2Standard Nuclear, Inc.
- Shielded radioactive storage device3 Feb 2026US 12,542,218 B2
- Crystalline lens protector for radiation therapy16 Jul 2026US 2026/0199703 A1J and Yl Co., Ltd.
- Porous lead-free x-ray shielding material and manufacturing method thereof25 Jun 2026US 2026/0179796 A1Pukyong National University Industry-University Cooperation Foundation
- Radiation shielding garment with modular back panel and expandable portions25 Jun 2026US 2026/0179799 A1Salus Scientific Corp
- Systems and methods for reducing interference in radiation portal monitors18 Jun 2026US 2026/0168940 A1Smiths Detection Inc.
- Multi-leaf collimators, radiation treatment devices, and control methods thereof30 Apr 2026US 2026/0115493 A1Shanghai United Imaging Healthcare Co., Ltd.
Most cited
By later US patents
- Radiation shielding composition41US 5,786,611 ALockheed Idaho Technologies Company · 1998
- Radiation shielding curtain33US 3,967,129 AResearch Corporation · 1976
- Augmented reality goggles having X-ray protection31US 10,610,179 B2Biosense Webster (Israel) Ltd. · 2020
- Radiation shielding composition29US 6,166,390 ABechtel BWXT Idaho, LLC · 2000
- Method and an arrangement for defining a radiation treatment field28US 3,950,651 A1976