G21C 13/0735
Seals for closures or for rotatable closures
Official title: {Seals for closures or for rotatable closures}
G21C13/0735 (Seals for closures or for rotatable closures) appears on 22 US grants and 5 published applications in this corpus.
Search patents in G21C- Granted patents
- 22
- Published applications
- 5
- Assignees
- 18
- Inventors
- 49
- Latest grant
- 9 Mar 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 6 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Baffle structure for channel9 Mar 2021US 10,943,704 B2Tsinghua University
- Narrow annulus permanent canal seal plate22 Dec 2015US 9,218,896 B2Areva GmbH
- Method for securing and confining the gasket plane of a vessel of a nuclear reactor and a gasket for applying this method26 Nov 2013US 8,594,266 B2Areva Np
- Reactor vessel head O-ring installation tool10 May 1994US 5,309,626 AWestinghouse Electric Corp.
- Forming a seal between planar sealing surfaces29 Dec 1987US 4,716,005 AWestinghouse Electric Corp.
- Containment isolation test fixture for leak rate testing27 Mar 2025US 2025/0104880 A1NuScale Power, LLC
- Baffle structure for channel12 Jul 2018US 2018/0197642 A1Tsinghua University
- Narrow Annulus Permanent Canal Seal Plate4 Sep 2014US 2014/0247914 A1Areva Np
- Operation method of connection part between container body and cover23 Aug 2012US 2012/0213321 A1Mitsubishi Heavy Industries, Ltd.
- Method for Securing and Confining the Gasket Plane of a Vessel of a Nuclear Reactor and a Gasket for Applying this Method19 May 2011US 2011/0116588 A1Areva Np
Most cited
By later US patents
- Ultrasonic dip seal maintenance system51US 4,116,766 AThe United States of America as represented by the Department of Energy · 1978
- Reactor stud hole plug unit23US 4,312,708 AThaxton, Inc. · 1982
- Core disruptive accident margin seal12US 4,078,969 AThe United States Government as represented by the U. S. Department of Energy · 1978
- Reactor vessel head O-ring installation tool9US 5,309,626 AWestinghouse Electric Corp. · 1994
- Plug-to-plug gas transfer system8US 4,080,254 AThe United States of America as represented by the United States Department of Energy · 1978