G21C 17/14
Period meters
G21C17/14 (Period meters) appears on 6 US grants and 1 published applications in this corpus.
Search patents in G21C- Granted patents
- 6
- Published applications
- 1
- Assignees
- 6
- Inventors
- 12
- Latest grant
- 12 May 2009
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 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 | 1 |
| 2009 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Systems and methods of predicting a critical effective k for a nuclear reactor12 May 2009US 7,532,698 B2Global Nuclear Fuel - Americas, LLC
- Method and an apparatus for monitoring the period of a nuclear reactor6 Mar 1984US 4,435,356 AStudsvik Energiteknik AB
- Count-doubling time safety circuit7 Jul 1981US 4,277,308 AThe United States of America as represented by the United States Department of Energy
- Method for shortening response time of logarithmic measuring apparatus14 Oct 1980US 4,228,355 AJapan Atomic Energy Research Institute
- Logic elements for reactor period meter2 Mar 1976US 3,942,014 AThe United States of America as represented by the United States Energy Research and Development Administration
Most cited
By later US patents
- Period meter for reactors9US 3,931,522 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976
- Logic elements for reactor period meter4US 3,942,014 AThe United States of America as represented by the United States Energy Research and Development Administration · 1976
- Count-doubling time safety circuit3US 4,277,308 AThe United States of America as represented by the United States Department of Energy · 1981
- Systems and methods of predicting a critical effective k for a nuclear reactor2US 7,532,698 B2Global Nuclear Fuel - Americas, LLC · 2009
- Method for shortening response time of logarithmic measuring apparatus1US 4,228,355 AJapan Atomic Energy Research Institute · 1980