H01H 43/327
Acting by coulometric transfer of material
Official title: {acting by coulometric transfer of material}
H01H43/327 (Acting by coulometric transfer of material) appears on 2 US grants and 0 published applications in this corpus.
Search patents in H01H- Granted patents
- 2
- Published applications
- 0
- Assignees
- 2
- Inventors
- 3
- Latest grant
- 10 Aug 1976
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Coulometrically timed indicator lamp circuits operable from high voltages10 Aug 1976US 3,974,495 AAir Products and Chemicals, Inc.
- Warning circuit for indicating that an intermittently operated device has been operated for a predetermined cumulative length of time10 Feb 1976US 3,938,128 AFord Motor Company
No published applications in this class yet.
Most cited
By later US patents
- Coulometrically timed indicator lamp circuits operable from high voltages19US 3,974,495 AAir Products and Chemicals, Inc. · 1976
- Warning circuit for indicating that an intermittently operated device has been operated for a predetermined cumulative length of time11US 3,938,128 AFord Motor Company · 1976