G04D 7/04
Measuring, counting, calibrating, testing or regulating apparatus: for gearwork
Official title: for gearwork, {(e.g. optical control of gear wheels; optical control in general G01B, G01B9/08)}
G04D7/04 (Measuring, counting, calibrating, testing or regulating apparatus: for gearwork) appears on 6 US grants and 6 published applications in this corpus.
Search patents in G04D- Granted patents
- 6
- Published applications
- 6
- Assignees
- 7
- Inventors
- 11
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Portable modular unit for inspecting in a timepiece the presence of a lubricating agent or of an epilame24 Jun 2025US 12,339,230 B2The Swatch Group Research and Development Ltd
- Geometric inspection device for horological mobile components16 Apr 2024US 11,960,246 B2ETA SA Manufacture Horlogere Suisse
- Device and method for measuring horological shakes2 Aug 2022US 11,402,805 B2ETA SA Manufacture Horlogere Suisse
- Timepiece wheel set with a unidirectional wheel28 Jun 2022US 11,372,370 B2Blancpain SA
- Micromechanical part with an opening for fastening to a spindle19 Apr 2011US 7,926,355 B2Rolex SA
- Method for manufacturing a series of timepiece movements10 Sep 2026US 2026/0267288 A1Breitling SA
- Portable modular unit for inspecting in a timepiece the presence of a lubricating agent or of an epilame16 Feb 2023US 2023/0048871 A1The Swatch Group Research and Development Ltd
- Geometric inspection device for horological mobile components2 Sep 2021US 2021/0271206 A1ETA SA Manufacture Horlogere Suisse
- Device and method for measuring horological shakes10 Jun 2021US 2021/0173349 A1ETA SA Manufacture Horlogere Suisse
- Timepiece wheel set with a unidirectional wheel30 May 2019US 2019/0163134 A1Blancpain SA
Most cited
By later US patents
- Micromechanical part with an opening for fastening to a spindle8US 7,926,355 B2Rolex SA · 2011
- Timepiece including means for indicating the angular position of coaxial analogue display indicators5US 6,454,458 B1Asulab S. A. · 2002
- Timepiece wheel set with a unidirectional wheel1US 11,372,370 B2Blancpain SA · 2022