Sympathetic timepiece assembly
US-12585224-B2 · Mar 24, 2026 · US
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Winding mechanical clocks electrically
Winding mechanical clocks electrically · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04C1/00 |
| Official title | Winding mechanical clocks electrically |
| Display label | Winding mechanical clocks electrically |
| Total patents | 13 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 4 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sympathetic timepiece assembly
US-12487563-B2 · Dec 2, 2025 · US
Sympathetic timepiece assembly
US-12455537-B2 · Oct 28, 2025 · US
Sympathetic timepiece assembly
US-2023315020-A1 · Oct 5, 2023 · US
Sympathetic timepiece assembly
US-2023305496-A1 · Sep 28, 2023 · US
Sympathetic timepiece assembly
US-2023288876-A1 · Sep 14, 2023 · US
Sympathetic timepiece assembly
US-2023288874-A1 · Sep 14, 2023 · US
Mechanical clock
US-10990065-B2 · Apr 27, 2021 · US
A mechanical clock
US-2020089167-A1 · Mar 19, 2020 · US
Self-winding watch
US-10338527-B2 · Jul 2, 2019 · US
Self-winding watch
US-2018088534-A1 · Mar 29, 2018 · US
Device-Based Activity Classification Using Predictive Feature Analysis
US-2016066857-A1 · Mar 10, 2016 · US
Device-based activity classification using predictive feature analysis
US-2016066858-A1 · Mar 10, 2016 · US