Y10S 320/27
Transformerless
Y10S320/27 (Transformerless) appears on 11 US grants and 0 published applications in this corpus.
Search patents in Y10S- Granted patents
- 11
- Published applications
- 0
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 2 Dec 1997
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Variable pulse recharging battery pack2 Dec 1997US 5,694,022 ASelfCHARGE, Inc.
- Method of charging a battery using asymmetrical current8 Jul 1997US 5,646,505 AVista International, Inc.
- Automatic charging apparatus19 Dec 1995US 5,477,128 ATechnical Associates Co., Ltd.
- Non-isolated thermally responsive battery charger1 Aug 1989US 4,853,607 ABlack & Decker Inc.
- Charging base for a battery-powered appliance29 Dec 1987US 4,716,352 ABlack & Decker Inc.
No published applications in this class yet.
Most cited
By later US patents
- Charging base for a battery-powered appliance147US 4,716,352 ABlack & Decker Inc. · 1987
- Battery charging circuit25US 3,943,423 A1976
- Integrated battery and recharger21US 4,622,507 A1986
- Non-isolated thermally responsive battery charger19US 4,853,607 ABlack & Decker Inc. · 1989
- Secondary cell charging system11US 4,236,107 AGeneral Motors Corporation · 1980