G01R 11/58
Tariff-switching devices therefor
G01R11/58 (Tariff-switching devices therefor) appears on 4 US grants and 0 published applications in this corpus.
Search patents in G01R- Granted patents
- 4
- Published applications
- 0
- Assignees
- 2
- Inventors
- 6
- Latest grant
- 28 Jun 1988
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 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 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Seasonal reset for electric watthour meter registers28 Jun 1988US 4,754,217 AGeneral Electric Company
- Clutch mechanism for time of day watt demand meter registers22 Dec 1981US 4,307,341 AWestinghouse Electric Corp.
- Multiple rate electrical energy metering system and method4 Sep 1979US 4,166,975 AGeneral Electric Company
- Multiple rate electrical energy metering system and method20 Sep 1977US 4,050,020 AGeneral Electric Company
No published applications in this class yet.
Most cited
By later US patents
- Multiple rate electrical energy metering system and method26US 4,050,020 AGeneral Electric Company · 1977
- Multiple rate electrical energy metering system and method22US 4,166,975 AGeneral Electric Company · 1979
- Clutch mechanism for time of day watt demand meter registers4US 4,307,341 AWestinghouse Electric Corp. · 1981
- Seasonal reset for electric watthour meter registers4US 4,754,217 AGeneral Electric Company · 1988