G04B 19/257
Drum-shaped or three-dimensional shaped
Official title: drum-shaped {or three-dimensional shaped (G04B19/24306 takes precedence; for electrically driven timepieces G04C17/0083)}
G04B19/257 (Drum-shaped or three-dimensional shaped) appears on 9 US grants and 14 published applications in this corpus.
Search patents in G04B- Granted patents
- 9
- Published applications
- 14
- Assignees
- 4
- Inventors
- 18
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 2 | 3 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Leap-year display mechanism for a horological movement with a perpetual calendar display12 May 2026US 12,625,471 B2Montres Breguet S. A.
- Horological display mechanism with separate displays4 Nov 2025US 12,461,490 B2Harry Winston SA
- Horological display mechanism with separate displays4 Nov 2025US 12,461,491 B2Harry Winston SA
- Mechanical movement watch with a force control mechanism23 Jul 2024US 12,045,012 B2Montres Breguet S. A.
- Roller jumping timepiece display mechanism28 May 2024US 11,994,829 B2Omega SA
- Device for displaying a point in time24 Sep 2026US 2026/0288065 A1
- Adjustment system for a display mechanism26 Jun 2025US 2025/0208569 A1Montres Breguet S. A.
- Position-setting and marking device for a timepiece mechanism19 Jun 2025US 2025/0199473 A1Montres Breguet S. A.
- Magnetic indexing system for a display5 Jun 2025US 2025/0181032 A1Montres Breguet S. A.
- Leap-year display mechanism for a horological movement with a perpetual calendar display9 May 2024US 2024/0152096 A1Montres Breguet S. A.
Most cited
By later US patents