General two degree of freedom isotropic harmonic oscillator and associated time base
US-10585398-B2 · Mar 10, 2020 · US
Oscillators acting by spring tension
Oscillators acting by spring tension · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G04B17/04 |
| Official title | Oscillators acting by spring tension |
| Display label | Oscillators acting by spring tension |
| Total patents | 120 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 19 |
| 2017 | 11 |
| 2018 | 13 |
| 2019 | 11 |
| 2020 | 10 |
| 2021 | 12 |
| 2022 | 6 |
| 2023 | 11 |
| 2024 | 11 |
| 2025 | 6 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Timepiece oscillator with flexure bearings having a long angular stroke
US-2019391532-A1 · Dec 26, 2019 · US
Mechanical timepiece oscillator which is isochronous in all positions
US-2019361398-A1 · Nov 28, 2019 · US
Anti shock protection for a resonator mechanism with rotary flexure bearing
US-2019324401-A1 · Oct 24, 2019 · US
Mechanical oscillator
US-2019324398-A1 · Oct 24, 2019 · US
Isotropic harmonic oscillator and associated time base without escapement or with simplified escapement
US-10365609-B2 · Jul 30, 2019 · US
General 2 Degree of Freedom Isotropic Harmonic Oscillator and Associated Time Base Without Escapement or with Simplified Escapement
US-2019227493-A1 · Jul 25, 2019 · US
Method for maintaining and regulating the frequency of a timepiece resonator
US-10324416-B2 · Jun 18, 2019 · US
Method for maintaining and regulating a timepiece resonator
US-10241473-B2 · Mar 26, 2019 · US
Protection for the strips of a mechanical watch resonator
US-10216149-B2 · Feb 26, 2019 · US
Mechanical movement with rotary resonator, which is isochronous and positionally insensitive
US-2019032644-A1 · Jan 31, 2019 · US
Timepiece oscillator with flexure bearings having a long angular stroke
US-2019033784-A1 · Jan 31, 2019 · US
High quality factor resonator for mechanical watches
US-10152025-B2 · Dec 11, 2018 · US
Monolithic timepiece regulator, timepiece movement and timepiece having such a timepiece regulator
US-10133238-B2 · Nov 20, 2018 · US
Mechanical watch with isochronic position insensitive rotary resonator
US-10126711-B2 · Nov 13, 2018 · US
Optimised timepiece movement
US-10114340-B2 · Oct 30, 2018 · US
Protection for the strips of a mechanical watch resonator
US-2018136609-A1 · May 17, 2018 · US
Timepiece resonator mechanism
US-9971303-B2 · May 15, 2018 · US
Timepiece resonator mechanism
US-9958831-B2 · May 1, 2018 · US
Coupled timepiece oscillators
US-9958833-B2 · May 1, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G04B17/04?
- CPC G04B17/04 is the Cooperative Patent Classification code for “Oscillators acting by spring tension.”
- How many patents are filed under CPC G04B17/04 (Oscillators acting by spring tension)?
- Our database includes 120 publications tagged with this CPC code.
- Is patent activity under CPC G04B17/04 growing?
- Publication counts under this code: 11 in 2024 vs 6 in 2025 (latest complete years).