Description
Class G04D : APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
Subclass 7/10: Measuring, counting, calibrating, testing, or regulating apparatus for hairsprings
G04D 7/10
Sub-Class
Stats
- 10 US PATENTS IN FORCE
- 3 US APPLICATIONS PENDING
- 3 Total Patent Owners
- 26 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11921468 | Method and production support tooling for measuring the torque of a timepiece balance spring | Oct 24, 19 | Mar 05, 24 | Nivarox-Far SA |
| 11249440 | Balance-hairspring oscillator for a timepiece | Mar 15, 17 | Feb 15, 22 | Patek Philippe SA Geneve |
| 10338528 | Method for fabrication of a balance spring of a predetermined stiffness by local removal of material | Nov 18, 16 | Jul 02, 19 | CSEM Centre Suisse d' Electronique et de Microtechnique SA—Recherche et Developpement |
| 10324418 | Method for fabrication of a balance spring of predetermined thickness through the addition of material | Dec 08, 16 | Jun 18, 19 | CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recherche et Développement |
| 10324417 | Method for fabrication of a balance spring of a predetermined stiffness by removal of material | Nov 17, 16 | Jun 18, 19 | CSEM Centre Suisse d'Electronique et de Microtechnique SA-Recherche et Développement |
| 10120341 | Method for determining an imbalance characteristic of an oscillator | Jun 25, 13 | Nov 06, 18 | Rolex SA |
| 9971309 | Mechanical timepiece movement provided with a feedback system for the movement | Jun 29, 16 | May 15, 18 | ETA SA Manufacture Horlogere Suisse |
| 9811054 | System for securing a balance spring | Nov 25, 15 | Nov 07, 17 | ROLEX SA |
| 9235192 | Method of adjusting the oscillation frequency of a timepiece sub-assembly | Nov 17, 11 | Jan 12, 16 | Nivarox-FAR S.A. |
| 9188957 | Circuit for autoregulating the oscillation frequency of an oscillating mechanical system and device including the same | Oct 23, 12 | Nov 17, 15 | THE SWATCH GROUP RESEARCH AND DEVELOPMENT LTD |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0053,138 | METHOD FOR TESTING AND PRODUCING BALANCE SPRINGS FOR TIMEPIECES | Nov 30, 22 | Feb 13, 25 | Not available |
| 2024/0069,496 | METHOD FOR TESTING AND MANUFACTURING SPIRAL SPRINGS FOR A TIMEPIECE | Jan 14, 22 | Feb 29, 24 | Not available |
| 2020/0159,171 | METHOD AND PRODUCTION SUPPORT TOOLING FOR MEASURING THE TORQUE OF A TIMEPIECE BALANCE SPRING | Oct 24, 19 | May 21, 20 | Nivarox-Far SA |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 34 Months (last 2 years Issuances)
- 34 Months (last 5 years Issuances)