G04B 19/2538
Automatically corrected at the end of months having less than 31 days
Official title: {automatically corrected at the end of months having less than 31 days}
G04B19/2538 (Automatically corrected at the end of months having less than 31 days) appears on 20 US grants and 21 published applications in this corpus.
Search patents in G04B- Granted patents
- 20
- Published applications
- 21
- Assignees
- 11
- Inventors
- 28
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 1 |
| 2007 | 3 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 3 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Timepiece calendar system11 Aug 2026US 12,704,813 B2Rolex SA
- Movement transmission system11 Aug 2026US 12,704,814 B2Rolex SA
- Timepiece calendar system12 May 2026US 12,625,470 B2Rolex SA
- Clock calendar mobile22 Jul 2025US 12,366,829 B2Rolex SA
- Indicator device for watchmaking31 Dec 2024US 12,181,839 B2La Vallee S.R.L.
- Timepiece calendar system16 Oct 2025US 2025/0321539 A1Rolex SA
- Timepiece calendar system16 Oct 2025US 2025/0321540 A1Rolex SA
- Timepiece calendar system1 Jun 2023US 2023/0168630 A1Rolex SA
- Timepiece calendar system1 Jun 2023US 2023/0168631 A1Rolex SA
- Movement transmission system1 Jun 2023US 2023/0168632 A1Rolex SA
Most cited
By later US patents
- Annual calendar mechanism for watch movement15US 7,218,576 B1ETA SA Manufacture Horlogere Suisse · 2007
- Perpetual calendar mechanism14US 7,706,214 B2Chopard Manufacture SA · 2010
- Annual data mechanism for a timepiece movement9US 7,242,640 B2Rolex SA · 2007
- Train of clockwork with perpetual Julian date5US 6,118,734 AGirard-Perregaux S. A. · 2000
- Timepiece display mechanism with a fast corrector5US 9,841,734 B2ETA SA Manufacture Horlogere Suisse · 2017