G21F 5/12
Closures for containers
Official title: Closures for containers; Sealing arrangements
G21F5/12 (Closures for containers) appears on 338 US grants and 308 published applications in this corpus.
Search patents in G21F- Granted patents
- 338
- Published applications
- 308
- Assignees
- 182
- Inventors
- 669
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 9 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 6 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 1 | 1 |
| 2003 | 6 | 5 |
| 2004 | 6 | 5 |
| 2005 | 1 | 4 |
| 2006 | 3 | 4 |
| 2007 | 1 | 5 |
| 2008 | 5 | 9 |
| 2009 | 0 | 3 |
| 2010 | 5 | 10 |
| 2011 | 1 | 6 |
| 2012 | 7 | 6 |
| 2013 | 8 | 3 |
| 2014 | 15 | 12 |
| 2015 | 6 | 16 |
| 2016 | 13 | 16 |
| 2017 | 14 | 12 |
| 2018 | 9 | 18 |
| 2019 | 13 | 10 |
| 2020 | 15 | 23 |
| 2021 | 11 | 26 |
| 2022 | 31 | 20 |
| 2023 | 18 | 26 |
| 2024 | 19 | 25 |
| 2025 | 17 | 20 |
| 2026 | 16 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Transport basket for defective spent nuclear fuel of heavy-water reactor25 Aug 2026US 12,718,962 B2Korea Hydro & Nuclear Power Co., Ltd.
- Assembly for transporting uranium hexafluoride, comprising shock absorber caps18 Aug 2026US 12,712,091 B2Orano Nuclear Packages and Services
- Methods and compositions for treating cancer with von Willebrand factor peptide linked to immunotherapeutic antibodies11 Aug 2026US 12,706,227 B2The University of Chicago
- Radiation monitoring systems, radioactive material storage systems and associated components and methods4 Aug 2026US 12,700,516 B2Battelle Energy Alliance, LLC
- Retrievable waste capsules, retrieval-tool, systems and methods thereof21 Jul 2026US 12,687,082 B2NuclearSAFE Technology LLC
- Dry storage container for spent nuclear fuel with improved heat dissipation efficiency of decay heat8 Oct 2026US 2026/0311903 A1Korea Radioactive Waste Agency
- Spent nuclear fuel disposal container for recovering decay heat by applying thermoelectric element24 Sep 2026US 2026/0290632 A1Korea Radioactive Waste Agency
- Manufacturing systems and methods24 Sep 2026US 2026/0290638 A1
- Method for treating packaging for radioactive material against corrosion17 Sep 2026US 2026/0275561 A1Orano Nuclear Packages and Services
- Radiation and impact-protected radioactive waste cask20 Aug 2026US 2026/0245759 A1Global Tele Marketing Gtm SA
Most cited
By later US patents
- Double lid system91US 5,857,308 AAEA Technology plc · 1999
- Method and device for the loading and sealing of a double container system for the storage of radioactive material and a seal for the double container system62US 4,847,009 ADeutsche Gesellschaft fur Wiederaufarbeitung von Kernbrennstoffen mbH · 1989
- Radioactivity-shielding transport or storage receptacle for radioactive wastes60US 4,278,892 ASteag, Kernergie GmbH · 1981
- Combination of a filter and a material permeable to gases but impermeable to liquids47US 4,957,522 A1990
- Hepa filtered storage canisters44US 5,727,707 ANuclear Filter Technology, Inc. · 1998