G04B 1/165
Spring cylinder with friction transmission to the gearing
Official title: {Spring cylinder with friction transmission to the gearing (especially for Roskopf clockworks); (friction clutch between spring and spring cylinder G04B1/185)}
G04B1/165 (Spring cylinder with friction transmission to the gearing) appears on 4 US grants and 7 published applications in this corpus.
Search patents in G04B- Granted patents
- 4
- Published applications
- 7
- Assignees
- 5
- Inventors
- 14
- Latest grant
- 10 May 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2014 | 0 | 3 |
| 2015 | 3 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Barrel10 May 2016US 9,335,738 B2Sowind SA
- Timepiece barrel assembly with reduced core diameter13 Oct 2015US 9,158,282 B2Blancpain SA
- Timepiece barrel with reduced core diameter29 Sep 2015US 9,146,535 B2Blancpain SA
- Timepiece barrel assembly with reduced core diameter19 May 2015US 9,033,573 B2ETA SA Manufacture Horlogere Suisse
- Friction system for a horology movement12 Feb 2026US 2026/0044113 A1Blancpain SA
- Movement for mechanical timepiece7 Dec 2017US 2017/0351215 A1Citizen Watch Co., Ltd.
- Crystalline Compounds for Use in Mechanical Watches and Methods of Manufacture Thereof5 Oct 2017US 2017/0285573 A1Firehouse Horology, Inc.
- Barrel21 May 2015US 2015/0138932 A1Sowind SA
- Timepiece barrel with reduced core diameter31 Jul 2014US 2014/0211595 A1Blancpain SA
Most cited
By later US patents