H01F 38/06
For changing the wave shape
Official title: for changing the wave shape
H01F38/06 (For changing the wave shape) appears on 7 US grants and 3 published applications in this corpus.
Search patents in H01F- Granted patents
- 7
- Published applications
- 3
- Assignees
- 6
- Inventors
- 15
- Latest grant
- 9 Feb 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 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 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Switching power supply device9 Feb 2016US 9,257,912 B2Murata Manufacturing Co., Ltd.
- Three-phase 48-pulse rectifier transformer21 Apr 2015US 9,013,905 B2Jiangsu Huapeng Transformer Co., Ltd.
- Slope gap inductor for line harmonic current reduction2 Dec 2003US 6,657,528 B1Astec International Limited
- High average power magnetic modulator for metal vapor lasers24 May 1994US 5,315,611 AThe United States of America as represented by the United States Department of Energy
- Harmonic inductor for generation of an energy conserving power wave3 Jan 1989US 4,795,959 ALesco Development
Most cited
By later US patents
- High average power magnetic modulator for metal vapor lasers121US 5,315,611 AThe United States of America as represented by the United States Department of Energy · 1994
- Harmonic inductor for generation of an energy conserving power wave12US 4,795,959 ALesco Development · 1989
- Slope gap inductor for line harmonic current reduction8US 6,657,528 B1Astec International Limited · 2003
- Voltage regulating transformer7US 4,007,416 A1977
- Transformer3US 4,470,006 A1984