G04D 7/001
Purely mechanical measuring and testing apparatus
Official title: {Purely mechanical measuring and testing apparatus}
G04D7/001 (Purely mechanical measuring and testing apparatus) appears on 7 US grants and 9 published applications in this corpus.
Search patents in G04D- Granted patents
- 7
- Published applications
- 9
- Assignees
- 5
- Inventors
- 12
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 2 |
| 2015 | 0 | 4 |
| 2016 | 2 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method for optimizing an operation of setting and winding a watch, and device for implementation of same26 May 2026US 12,638,811 B2Montres Breguet S. A.
- Device and method for testing a mechanical property of a timepiece shaft20 Aug 2024US 12,066,794 B2Rolex SA
- Dynamic torque and/or force calibration device27 Apr 2021US 10,989,617 B2ETA SA Manufacture Horlogere Suisse
- Method and system for authenticating a device26 Sep 2017US 9,772,607 B2Sicpa Holding SA
- Method for checking the identity of a mechanical watch movement21 Feb 2017US 9,575,467 B2Montres Breguet S. A.
- Method for optimising an operation of setting and winding a watch, and device for implementation of same18 Apr 2024US 2024/0126214 A1The Swatch Group Research and Development Ltd
- Device and method for testing a mechanical property of a timepiece shaft16 Jun 2022US 2022/0187053 A1Rolex SA
- Dynamic torque and/or force calibration device28 Mar 2019US 2019/0094096 A1ETA SA Manufacture Horlogere Suisse
- A method for authenticating a timepiece29 Oct 2015US 2015/0309478 A1Sicpa Holding SA
- Method and system for authenticating using a quartz oscillator26 Feb 2015US 2015/0053006 A1Sicpa Holding SA
Most cited
By later US patents