G21C 17/116
Passages or insulators
Official title: Passages or insulators, e.g. for electric cables
G21C17/116 (Passages or insulators) appears on 62 US grants and 42 published applications in this corpus.
Search patents in G21C- Granted patents
- 62
- Published applications
- 42
- Assignees
- 42
- Inventors
- 139
- Latest grant
- 31 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 2 | 2 |
| 2015 | 2 | 2 |
| 2016 | 3 | 3 |
| 2017 | 5 | 7 |
| 2018 | 2 | 4 |
| 2019 | 4 | 2 |
| 2020 | 3 | 1 |
| 2021 | 4 | 4 |
| 2022 | 1 | 3 |
| 2023 | 2 | 0 |
| 2024 | 2 | 1 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Feedthrough for applications at high pressure31 Mar 2026US 12,590,650 B2Schott AG
- Electrical penetration3 Mar 2026US 12,567,507 B2Hitachi GE Vernova Nuclear Energy, Ltd.
- Cable feedthrough for radioactive environments30 Sep 2025US 12,431,252 B2Schott AG
- Method for providing a neutron radiation shield, and according shielding system18 Mar 2025US 12,254,995 B2Framatome
- Nuclear reactor with in-vessel ex-core neutron detectors and corresponding control method13 Feb 2024US 11,901,089 B2Societe Technique Pour L'energie Atomique
- Modular sodium pressure sensor for nuclear reactor23 Jul 2026US 2026/0213029 A1TerraPower, LLC
- Electrical lead-through and lead-through assembly11 Jun 2026US 2026/0162853 A1Schott AG
- Multi-use movable incore system to support reactor power distribution measurements and radioisotope production activities25 Dec 2025US 2025/0391581 A1Westinghouse Electric Corp.
- Integrated fuel and control system15 May 2025US 2025/0157678 A1Teknologian tutkimuskeskus VTT Oy
- Electrical Penetration9 May 2024US 2024/0153656 A1Hitachi-GE Nuclear Energy, Ltd.
Most cited
By later US patents
- Ball check valve35US 4,070,239 ACombustion Engineering, Inc. · 1978
- Interconnector25US 4,088,381 ABunker Ramo Corporation · 1978
- Electric penetration assembly23US 4,168,394 A1979
- Pressurizer system for electric penetration assemblies20US 4,235,674 ABunker Ramo Corporation · 1980
- Mounting of power conductor and instrument lead penetrations for nuclear reactor installations19US 4,420,456 AHochtemperatur-Reaktorbau GmbH · 1983