G21C 7/16
Hydraulic or pneumatic drive
G21C7/16 (Hydraulic or pneumatic drive) appears on 69 US grants and 33 published applications in this corpus.
Search patents in G21C- Granted patents
- 69
- Published applications
- 33
- Assignees
- 29
- Inventors
- 140
- Latest grant
- 13 Feb 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 6 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 2 | 4 |
| 2017 | 1 | 1 |
| 2018 | 3 | 3 |
| 2019 | 2 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Combined mounting/electrical distribution plate for powering internal control rod drive mechanism (CRDM) units of a nuclear reactor13 Feb 2024US 11,901,091 B2BWXT mPower, Inc.
- Nuclear reactor, guide tube support, and corresponding maintenance method17 Jan 2023US 11,557,402 B2Framatome
- Space reactor gas assist control rod release mechanism11 Oct 2022US 11,469,004 B2BWXT Advanced Technologies LLC
- Control rod drive mechanism (CRDM) mounting method for pressurized water reactors24 May 2022US 11,342,082 B2BWXT mPower, Inc.
- Combined mounting/electrical distribution plate for powering internal control rod drive mechanism (CRDM) units of a nuclear reactor6 Jul 2021US 11,056,249 B2BWXT mPower, Inc.
- A reactor control system2 Jan 2025US 2025/0006384 A1BAE SYSTEMS plc
- Devices, systems, and methods for the enhanced operation of hydraulic control units of a control rod drive mechanism to regulate nuclear flux in a reactor core11 Apr 2024US 2024/0120116 A1Westinghouse Electric Corp.
- Combined mounting/electrical distribution plate for powering internal control rod drive mechanism (crdm) units of a nuclear reactor6 Jan 2022US 2022/0005618 A1BWXT mPower, Inc.
- Nuclear reactor and corresponding maintenance method25 Nov 2021US 2021/0366624 A1Framatome
- Space reactor gas assist control rod release mechanism26 Nov 2020US 2020/0373028 A1BWXT Advanced Technologies LLC
Most cited
By later US patents
- Internal control rod drive for a BWR27US 5,361,279 AGeneral Electric Company · 1994
- Control rod drives for nuclear reactors19US 4,092,213 AHitachi, Ltd. · 1978
- Control rod drive with upward removable drive internals19US 4,904,443 AGeneral Electric Company · 1990
- Hydraulic control rod drive for a nuclear reactor16US 5,276,719 ASiemens Aktiengesellschaft · 1994
- Control rod driving apparatus15US 5,581,587 AKabushiki Kaisha Toshiba · 1996