G21C 17/12
Sensitive element forming part of control element
G21C17/12 (Sensitive element forming part of control element) appears on 62 US grants and 33 published applications in this corpus.
Search patents in G21C- Granted patents
- 62
- Published applications
- 33
- Assignees
- 36
- Inventors
- 131
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 3 | 1 |
| 2015 | 0 | 2 |
| 2016 | 2 | 4 |
| 2017 | 4 | 4 |
| 2018 | 2 | 2 |
| 2019 | 3 | 0 |
| 2020 | 0 | 2 |
| 2021 | 4 | 2 |
| 2022 | 3 | 5 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for measuring drop time of a control rod cluster integrated with a rod position measurement device7 Jul 2026US 12,676,247 B2Nuclear Power Operations Research Institute (Npri)
- Digital systems and methods for high precision control in nuclear reactors16 Sep 2025US 12,417,855 B2GE-Hitachi Nuclear Energy Americas LLC
- Digital rod position indication system and method20 May 2025US 12,306,021 B2Westinghouse Electric Corp.
- Control rod position indication system for a nuclear reactor23 Apr 2024US 11,967,437 B2Framatome
- Nuclear movable element position indication apparatus, system, and method2 Jan 2024US 11,862,350 B2Westinghouse Electric Corp.
- Abnormality detection device, abnormality detection method, and program for control rod drive device5 Mar 2026US 2026/0066143 A1Hitachi GE Vernova Nuclear Energy, Ltd.
- Simultaneous wound solenoid position indicator and nuclear power plant comprising same25 Dec 2025US 2025/0391580 A1Korea Atomic Energy Research Institute
- Method and apparatus for determining rod position of control rod of pressurized water reactor, and rod position measurement system13 Nov 2025US 2025/0349445 A1Cnnp Nuclear Power Operations Management Co., Ltd.
- Learning device and neutron measurement device26 Dec 2024US 2024/0427036 A1Mitsubishi Electric Corporation
- Method for measuring drop time of a control rod cluster integrated with a rod position measurement device28 Mar 2024US 2024/0105351 A1Nuclear Power Operations Research Institute (Npri)
Most cited
By later US patents
- Method and system for monitoring control rod element assembly position25US 6,236,699 B1Combustion Engineering, Inc. · 2001
- Monitoring control rod element assembly position25US 6,421,405 B1Westinghouse Electric Corp. · 2002
- Position sensor of linearly moving bodies24US 4,210,865 A1980
- Method and apparatus for remotely monitoring a process carried out in a containment structure24US 4,668,465 AWestinghouse Electric Corp. · 1987
- Phase encoded digital position probe assembly22US 4,170,754 AWestinghouse Electric Corp. · 1979