G21F 1/00
Shielding characterised by the composition of the materials
G21F1/00 (Shielding characterised by the composition of the materials) appears on 701 US grants and 777 published applications in this corpus.
Search patents in G21F- Granted patents
- 701
- Published applications
- 777
- Assignees
- 586
- Inventors
- 1,873
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 10 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 6 | 0 |
| 1988 | 10 | 0 |
| 1989 | 9 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 8 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 2 |
| 2002 | 6 | 10 |
| 2003 | 15 | 10 |
| 2004 | 5 | 17 |
| 2005 | 10 | 16 |
| 2006 | 6 | 19 |
| 2007 | 11 | 16 |
| 2008 | 13 | 21 |
| 2009 | 13 | 21 |
| 2010 | 10 | 24 |
| 2011 | 13 | 15 |
| 2012 | 13 | 17 |
| 2013 | 16 | 29 |
| 2014 | 23 | 45 |
| 2015 | 19 | 40 |
| 2016 | 20 | 36 |
| 2017 | 23 | 40 |
| 2018 | 31 | 44 |
| 2019 | 34 | 46 |
| 2020 | 48 | 61 |
| 2021 | 29 | 44 |
| 2022 | 47 | 40 |
| 2023 | 43 | 48 |
| 2024 | 25 | 43 |
| 2025 | 32 | 42 |
| 2026 | 16 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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-resistant inorganic material and fiber thereof21 Jul 2026US 12,686,632 B2Nippon Fiber Corporation
- Radiation imaging apparatus30 Jun 2026US 12,669,622 B2Konica Minolta, Inc.
- Anti-nuclear radiation magnetic fluid sealing device9 Jun 2026US 12,651,675 B2Beijing Jiaotong University
- Method and apparatus for confining the spread of pollutants spilled into a moving fluid8 Oct 2026US 2026/0308859 A1
- Neutron radiation shielding material, shielding material for semiconductor device, package for semiconductor device, shielding material for nuclear reactor, nuclear reactor containment vessel, nuclear reactor building, shielding material for nuclear fusion reactor, nuclear fusion reactor, and nuclear fusion reactor building8 Oct 2026US 2026/0311898 A1Dexerials Corporation
- Spent nuclear fuel disposal container for recovering decay heat by applying thermoelectric element24 Sep 2026US 2026/0290632 A1Korea Radioactive Waste Agency
- Neutron shielding material17 Sep 2026US 2026/0279611 A1United Kingdom Atomic Energy Authority
- Coating composition and radiation shielding coating composition10 Sep 2026US 2026/0265570 A1Mitsubishi Chemical Corporation
Most cited
By later US patents
- Production of metal ion containing carbon fibers useful in electron shielding applications454US 3,997,638 ACelanese Corporation · 1976
- High density composite material358US 6,048,379 AIdeas to Market, L.P. · 2000
- Electromagnetic shielding composite comprising nanotubes213US 6,265,466 B1Eikos, Inc. · 2001
- Radiation shield133US 4,938,233 ATechton, Inc. · 1990
- Article of fibrillated polytetrafluoroethylene containing high volumes of particulate material and methods of making and using same119US 4,194,040 A1980