Y10S 320/29
Transformer having plural secondaries
Y10S320/29 (Transformer having plural secondaries) appears on 15 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 15
- Published applications
- 0
- Assignees
- 11
- Inventors
- 24
- Latest grant
- 13 Oct 1998
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Low cost battery sensing technique13 Oct 1998US 5,821,730 AInternational Components Corporation
- Lithium polymer battery charger apparatus5 May 1998US 5,747,968 ALockheed Martin Missiles & Space Company
- Battery charger with control circuit2 Dec 1997US 5,694,025 AMotorola, Inc.
- Battery charging using a transformer with a single primary winding and plural secondary windings19 Aug 1997US 5,659,237 AWisconsin Alumni Research Foundation
- Fault detector for a plurality of batteries in battery backup systems19 Oct 1993US 5,254,930 ADigital Equipment Corporation
No published applications in this class yet.
Most cited
By later US patents
- Electromagnetically coupled battery charger184US 4,031,449 AArthur D. Little, Inc. · 1977
- Low cost battery sensing technique100US 5,821,730 AInternational Components Corporation · 1998
- Battery charging using a transformer with a single primary winding and plural secondary windings97US 5,659,237 AWisconsin Alumni Research Foundation · 1997
- Universal battery charging system and a method75US 4,843,299 APower-Tech Systems Corporation · 1989
- Apparatus for reactively applying electrical energy pulses to a living body66US 4,654,574 A1987