G21F 5/125
Means to monitor or detect the leak-tightness of the closure
Official title: {Means to monitor or detect the leak-tightness of the closure}
G21F5/125 (Means to monitor or detect the leak-tightness of the closure) appears on 14 US grants and 18 published applications in this corpus.
Search patents in G21F- Granted patents
- 14
- Published applications
- 18
- Assignees
- 15
- Inventors
- 42
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 3 |
| 2021 | 3 | 2 |
| 2022 | 3 | 2 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Radiation monitoring systems, radioactive material storage systems and associated components and methods4 Aug 2026US 12,700,516 B2Battelle Energy Alliance, LLC
- Containers1 Apr 2025US 12,266,453 B2Capsa Solutions LLC
- Hazardous material canister systems and methods12 Dec 2023US 11,842,822 B2Deep Isolation, Inc.
- Container and method for storing spent nuclear fuel14 Mar 2023US 11,605,474 B2Nfc Logistics, Joint-Stock Company (Nfcl Jsc)
- Gas leakage detection method and gas leakage detection apparatus in horizontally-installed canister10 May 2022US 11,326,974 B2Central Research Institute of Electric Power Industry
- Manufacturing systems and methods24 Sep 2026US 2026/0290638 A1
- Radiation monitoring systems, radioactive material storage systems and associated components and methods9 May 2024US 2024/0153659 A1Battelle Energy Alliance, LLC
- Improvements in and relating to containers11 Aug 2022US 2022/0254534 A1Capsa Solutions LLC
- Hazardous material canister systems and methods14 Jul 2022US 2022/0223308 A1Deep Isolation, Inc.
- Hazardous material canister systems and methods4 Nov 2021US 2021/0343440 A1Deep Isolation, Inc.
Most cited
By later US patents
- System and method for storing and leak testing a radioactive materials storage canister10US 9,442,037 B2Holtec International · 2016
- Radioactive material storage canister10US 9,779,843 B2Holtec International · 2017
- Hazardous material canister systems and methods7US 10,943,706 B2Deep Isolation, Inc. · 2021
- Method and apparatus for detecting gas leakage from radioactive material sealed container4US 10,145,754 B2Central Research Institute of Electric Power Industry · 2018
- Hazardous material canister systems and methods4US 11,289,230 B2Deep Isolation, Inc. · 2022