Method for manufacturing horological balance springs
US-12481248-B2 · Nov 25, 2025 · US
for hairsprings {of balances}
for hairsprings {of balances} · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04D7/10 |
| Official title | for hairsprings {of balances} |
| Display label | for hairsprings {of balances} |
| Total patents | 27 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 4 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for manufacturing horological balance springs
US-2025199476-A1 · Jun 19, 2025 · US
Method for manufacturing a sprung balance oscillator for high torque variation balance springs
US-2025164930-A1 · May 22, 2025 · US
Method for testing and producing balance springs for timepieces
US-2025053138-A1 · Feb 13, 2025 · US
Method for treating a balance spring for a horological movement
US-2024393744-A1 · Nov 28, 2024 · US
Horological setting machine and setting method
US-12105477-B2 · Oct 1, 2024 · US
Method and production support tooling for measuring the torque of a timepiece balance spring
US-11921468-B2 · Mar 5, 2024 · US
Method for testing and manufacturing spiral springs for a timepiece
US-2024069496-A1 · Feb 29, 2024 · US
Method for manufacturing a plurality of resonators in a wafer
US-11709431-B2 · Jul 25, 2023 · US
Receptacle for horological assembly
US-11640143-B2 · May 2, 2023 · US
Method for manufacturing a plurality of resonators in a wafer
US-2022350255-A1 · Nov 3, 2022 · US
Balance-hairspring oscillator for a timepiece
US-11249440-B2 · Feb 15, 2022 · US
Horological setting machine and setting method
US-2021302913-A1 · Sep 30, 2021 · US
Receptacle for horological assembly
US-2021302915-A1 · Sep 30, 2021 · US
Method and production support tooling for measuring the torque of a timepiece balance spring
US-2020159171-A1 · May 21, 2020 · US
Method for fabrication of a balance spring of predetermined thickness through the addition of material
US-10324418-B2 · Jun 18, 2019 · US
Method for fabrication of a balance spring of a predetermined stiffness by removal of material
US-10324417-B2 · Jun 18, 2019 · US
Balance-hairspring oscillator for a timepiece
US-2019049900-A1 · Feb 14, 2019 · US
Method for determining an imbalance characteristic of an oscillator
US-10120341-B2 · Nov 6, 2018 · US
Mechanical timepiece movement provided with a feedback system for the movement
US-9971309-B2 · May 15, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G04D7/10?
- CPC G04D7/10 is the Cooperative Patent Classification code for “for hairsprings {of balances}.”
- How many patents are filed under CPC G04D7/10 (for hairsprings {of balances})?
- Our database includes 27 publications tagged with this CPC code.
- Is patent activity under CPC G04D7/10 growing?
- Publication counts under this code: 4 in 2024 vs 4 in 2025 (latest complete years).