G04C 13/12
By continuously-rotating electric motors
Official title: by continuously-rotating electric motors {(independent clocks G04C3/16; clocks driven by synchronous motors G04C15/00)}
G04C13/12 (By continuously-rotating electric motors) appears on 2 US grants and 1 published applications in this corpus.
Search patents in G04C- Granted patents
- 2
- Published applications
- 1
- Assignees
- 2
- Inventors
- 3
- Latest grant
- 19 Sep 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
By publication year.
Recent patents
- Piezoelectric actuator, timepiece, and electronic device19 Sep 2006US 7,109,638 B2Seiko Epson Corporation
- Monophase electromechanical transducer, in particular of the horological type, and electromechanical device including at least one such transducer20 Aug 2002US 6,437,466 B1ETA SA Fabriques d'Ebauches
Most cited
By later US patents