G04B 17/28
For the effect of imbalance of the weights
Official title: for the effect of imbalance of the weights, e.g. tourbillon
G04B17/28 (For the effect of imbalance of the weights) appears on 136 US grants and 141 published applications in this corpus.
Search patents in G04B- Granted patents
- 136
- Published applications
- 141
- Assignees
- 45
- Inventors
- 153
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 3 |
| 2004 | 1 | 2 |
| 2005 | 5 | 3 |
| 2006 | 2 | 5 |
| 2007 | 4 | 3 |
| 2008 | 3 | 5 |
| 2009 | 3 | 3 |
| 2010 | 6 | 6 |
| 2011 | 2 | 4 |
| 2012 | 4 | 0 |
| 2013 | 3 | 5 |
| 2014 | 0 | 6 |
| 2015 | 12 | 8 |
| 2016 | 5 | 3 |
| 2017 | 7 | 7 |
| 2018 | 8 | 9 |
| 2019 | 6 | 21 |
| 2020 | 4 | 12 |
| 2021 | 6 | 9 |
| 2022 | 14 | 9 |
| 2023 | 15 | 11 |
| 2024 | 8 | 3 |
| 2025 | 6 | 2 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Movement for timepiece and timepiece28 Jul 2026US 12,693,630 B2Tec Ebauches SA
- Diaphragm type deployment device, particularly for watchmaking2 Jun 2026US 12,645,183 B2Montres Breguet S. A.
- Pinion shaft, watch mechanism, watch or measurement device without a magnetic signature3 Mar 2026US 12,565,711 B2Omega SA
- Pinion shaft, watch mechanism, watch or measurement device without a magnetic signature10 Feb 2026US 12,546,021 B2Omega SA
- Stopping mechanism for stopping or releasing a horological regulating or chronograph mechanism wheel10 Feb 2026US 12,547,122 B2Montres Breguet S. A.
- Tourbillon mechanism for a timepiece movement30 Jul 2026US 2026/0219635 A1Greubel Forsey S. A.
- Watch with mechanical movement comprising a rotary-cage regulator25 Jun 2026US 2026/0177978 A1Glashütter Uhrenbetrieb GmbH
- Device with a regulating member for a timepiece21 Aug 2025US 2025/0264846 A1Chopard Technologies SA
- Horological karussel comprising two ball bearings22 May 2025US 2025/0164931 A1Blancpain SA
- Movement for timepiece and timepiece3 Oct 2024US 2024/0329599 A1Tec Ebauches SA
Most cited
By later US patents
- Watch comprising two tourbillons26US 7,527,423 B2Montres Breguet S. A. · 2009
- Mechanical timepiece provided with a tourbillon24US 5,608,694 AOmega SA · 1997
- Watch provided with a tourbillon23US 6,402,368 B1ETA SA Fabriques d'Ebauches · 2002
- Mechanical timepiece with posture detector18US 6,520,674 B1Seiko Instruments Inc. · 2003
- Mechanical timepiece with tourbillon mechanism14US 5,838,641 ASeiko Instruments Inc. · 1998