H01J 25/46
The backward travelling wave being utilised
Official title: the backward travelling wave being utilised
H01J25/46 (The backward travelling wave being utilised) appears on 4 US grants and 3 published applications in this corpus.
Search patents in H01J- Granted patents
- 4
- Published applications
- 3
- Assignees
- 2
- Inventors
- 7
- Latest grant
- 18 Aug 2015
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 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 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Backward-wave oscillator in communication system18 Aug 2015US 9,111,714 B2Electronics and Telecommunications Research Institute
- Free-standing diamond structures and methods2 May 2006US 7,037,370 B2
- Backward wave oscillator tube utilizing successive delay line sections for increased power21 Apr 1981US 4,263,566 AThomson-CSF
- Backward wave oscillator tube for the production of microwave10 Apr 1979US 4,149,107 AThomson-CSF
Most cited
By later US patents