G04B 1/225
With the aid of an interposed power-accumulator which is always tensioned
Official title: {with the aid of an interposed power-accumulator (secondary spring) which is always tensioned (winding up several mainsprings or driving weights simultaneously G04B3/008)}
G04B1/225 (With the aid of an interposed power-accumulator which is always tensioned) appears on 16 US grants and 17 published applications in this corpus.
Search patents in G04B- Granted patents
- 16
- Published applications
- 17
- Assignees
- 14
- Inventors
- 27
- Latest grant
- 28 May 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2005 | 1 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 3 | 2 |
| 2016 | 0 | 3 |
| 2017 | 4 | 0 |
| 2018 | 0 | 2 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year.
Recent patents
- Mechanical movement watch with force control mechanism28 May 2024US 11,994,828 B2Montres Breguet S. A.
- Mechanism for a timepiece and timepiece having such a mechanism7 Jan 2020US 10,528,005 B2LVMH Swiss Manufactures SA
- Timepiece comprising a device for switching a timepiece mechanism5 Nov 2019US 10,468,215 B2Montres Breguet S. A.
- Barrel with substantially constant torque6 Jun 2017US 9,671,754 B2Glashütter Uhrenbetrieb GmbH
- Timepiece movement and timepiece including such a movement7 Mar 2017US 9,588,492 B2Gfpi S.A.
- Timepiece movement26 Dec 2024US 2024/0427288 A1Greubel Forsey S. A.
- Mechanical movement watch with force control mechanism7 Apr 2022US 2022/0107608 A1Montres Breguet S. A.
- Timepiece comprising a device for switching a timepiece mechanism31 May 2018US 2018/0151317 A1Montres Breguet S. A.
- Mechanism For A Timepiece And Timepiece Having Such A Mechanism18 Jan 2018US 2018/0017941 A1LVMH Swiss Manufactures SA
- Barrel with substantially constant torque22 Sep 2016US 2016/0274540 A1Glashuetter Uhrenbetrieb GmbH
Most cited
By later US patents
- Display device for a watch9US 7,508,738 B2Eterna SA · 2009
- Watch whose movement includes a constant force device6US 7,473,027 B2Montres Breguet S. A. · 2009
- Mechanism for a timepiece and timepiece having such a mechanism3US 10,528,005 B2LVMH Swiss Manufactures SA · 2020
- Mechanical timepiece3US 6,948,845 B22005
- Clock movement containing a constant force device3US 8,550,700 B2Agenhor SA · 2013