Y10S 320/28
Regulating transformer
Official title: Regulating transformer, e.g. high leakage, ferro-resonant
Y10S320/28 (Regulating transformer) appears on 41 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 41
- Published applications
- 0
- Assignees
- 22
- Inventors
- 47
- Latest grant
- 30 Mar 1999
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Power transfer and voltage level conversion for a battery-powered electronic device30 Mar 1999US 5,889,384 AEricsson Inc.
- Apparatus and method for charging a DC battery11 Aug 1998US 5,793,624 AHydro-Quebec
- Apparatus and method for charging a DC battery23 Jun 1998US 5,771,165 AHydro-Quebec
- Charging batteries of electric vehicles9 Dec 1997US 5,696,367 A
- Charging batteries of electric vehicles28 Jan 1997US 5,598,084 A
No published applications in this class yet.
Most cited
By later US patents
- Induction charging system307US 3,938,018 A1976
- Charging batteries of electric vehicles208US 5,462,439 A1995
- Power transfer and voltage level conversion for a battery-powered electronic device101US 5,889,384 AEricsson Inc. · 1999
- Charging batteries of electric vehicles79US 5,696,367 A1997
- Condition responsive battery charging circuit52US 4,209,736 AGeneral Electric Company · 1980