G21F 7/047
Shielded passages
Official title: Shielded passages; Closing or transferring means between glove-boxes
G21F7/047 (Shielded passages) appears on 39 US grants and 34 published applications in this corpus.
Search patents in G21F- Granted patents
- 39
- Published applications
- 34
- Assignees
- 35
- Inventors
- 77
- Latest grant
- 5 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 2 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 3 |
| 2018 | 0 | 3 |
| 2019 | 0 | 0 |
| 2020 | 4 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 1 | 5 |
| 2024 | 3 | 1 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Rolling radiation shield5 May 2026US 12,620,503 B2Mettler-Toledo AG
- Device for the sealed transfer between two enclosed volumes, comprising an external control lever18 Nov 2025US 12,474,005 B2Abc Transfer
- Door assembly allowing sealed transfer between two enclosed volumes3 Jun 2025US 12,320,188 B2Abc Transfer
- Method for transporting material in and out of atmosphere-containment structures24 Dec 2024US 12,172,300 B2
- Airtight box for measurement, airtight apparatus, measurement system and measurement apparatus26 Mar 2024US 11,942,231 B2Rigaku Corporation
- Improved cell flange for a sealed transfer system30 Jul 2026US 2026/0218550 A1Getinge Life Science France
- Door arrangement fitted to a first enclosed space for reducing contamination risks when a second enclosed space is connected to the first enclosed space30 Oct 2025US 2025/0332584 A1
- Rolling radiation shield10 Apr 2025US 2025/0118452 A1Mettler-Toledo AG
- Transfer device for a sealed enclosure comprising a deformable portion15 Aug 2024US 2024/0269871 A1
- Device for the Sealed Transfer Between Two Enclosed Volumes, Comprising an External Control Lever6 Jul 2023US 2023/0213130 A1Abc Transfer
Most cited
By later US patents
- System for effecting access into sealed enclosures31US 4,141,609 ACentral Research Laboratories Limited · 1979
- Device for connecting doors between two chambers isolated from the external medium21US 6,553,722 B12003
- Transfer arrangement for sealable enclosure14US 5,139,318 AThe Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland · 1992
- Transfer device with a double tight barrier between a container and a confinement enclosure10US 4,619,572 ACogema-Compagnie Generale des Matieres Nucleaires · 1986
- Disconnectable sealing device for linking two closed volumes without breaking the confinement10US 4,747,601 ASociete Nouvelle d'exploitation de la Calhene · 1988