Mechanical timepiece
US-2025181035-A1 · Jun 5, 2025 · US
using electromagnetic coupling between electric power source and balance
using electromagnetic coupling between electric power source and balance · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04C3/06 |
| Official title | using electromagnetic coupling between electric power source and balance |
| Display label | using electromagnetic coupling between electric power source and balance |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2022 | 3 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Timepiece assembly comprising a watch and a system for correcting the time
US-12292715-B2 · May 6, 2025 · US
Mechanical Timepiece
US-2024329600-A1 · Oct 3, 2024 · US
Mechanical Watch
US-2024272588-A1 · Aug 15, 2024 · US
Timepiece comprising a mechanical oscillator associated with a regulation system
US-11846915-B2 · Dec 19, 2023 · US
Timepiece assembly comprising a watch and a system for correcting the time
US-2023132978-A1 · May 4, 2023 · US
Self-adjustable horological oscillator
US-11537085-B2 · Dec 27, 2022 · US
Timepiece
US-11480922-B2 · Oct 25, 2022 · US
Timepiece assembly comprising a mechanical oscillator associated with an electronic device for controlling its mean frequency
US-11327440-B2 · May 10, 2022 · US
Self-adjustable horological oscillator
US-2020319598-A1 · Oct 8, 2020 · US
Timepiece
US-2020272103-A1 · Aug 27, 2020 · US
Timepiece assembly comprising a mechanical oscillator associated with an electronic device for controlling its mean frequency
US-2020103827-A1 · Apr 2, 2020 · US
Timepiece comprising a mechanical oscillator associated with a regulation system
US-2019187624-A1 · Jun 20, 2019 · US
Timepiece regulating mechanism with optimised magnetic escapement
US-10241475-B2 · Mar 26, 2019 · US
Escapement with escape wheel with field ramps and non-return
US-10054908-B2 · Aug 21, 2018 · US
Mechanical timepiece movement provided with a feedback system for the movement
US-9971309-B2 · May 15, 2018 · US
Natural escapement
US-9927773-B2 · Mar 27, 2018 · US
Timepiece regulating mechanism with optimised magnetic escapement
US-2017261933-A1 · Sep 14, 2017 · US
Contactless cylinder escapement mechanism for timepieces
US-9746829-B2 · Aug 29, 2017 · US
Mechanical timepiece movement provided with a feedback system for the movement
US-2017045861-A1 · Feb 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G04C3/06?
- CPC G04C3/06 is the Cooperative Patent Classification code for “using electromagnetic coupling between electric power source and balance.”
- How many patents are filed under CPC G04C3/06 (using electromagnetic coupling between electric power source and balance)?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC G04C3/06 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).