G04B 1/185
Friction clutch between spring and spring cylinder
Official title: {Friction clutch between spring and spring cylinder (friction transmission between spring cylinder and gearing G04B1/165; other arrangements for protection against rupture or overwinding G04B1/20)}
G04B1/185 (Friction clutch between spring and spring cylinder) appears on 5 US grants and 5 published applications in this corpus.
Search patents in G04B- Granted patents
- 5
- Published applications
- 5
- Assignees
- 5
- Inventors
- 13
- Latest grant
- 1 Mar 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 2 |
| 2016 | 3 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 0 |
By publication year.
Recent patents
- Mechanical connection device1 Mar 2022US 11,262,707 B2Rolex SA
- Timepiece barrel with improved transmission of force6 Dec 2016US 9,513,601 B2Montres Breguet S. A.
- Barrel10 May 2016US 9,335,738 B2Sowind SA
- Mainspring for a timepiece3 May 2016US 9,329,571 B2Nivarox-FAR S. A.
- Barrel for a self winding timepiece5 Nov 2013US 8,573,832 B2ETA SA Manufacture Horlogere Suisse
- Mechanical connection device29 Nov 2018US 2018/0341229 A1Rolex SA
- Timepiece barrel with improved transmission of force28 Jan 2016US 2016/0026152 A1Montres Breguet S. A.
- Mainspring for a timepiece1 Oct 2015US 2015/0277380 A1Nivarox-FAR S. A.
- Barrel21 May 2015US 2015/0138932 A1Sowind SA
- Barrel for a self winding timepiece23 Feb 2012US 2012/0044789 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents