G04B 19/305
The hands carrying the light source
Official title: {the hands carrying the light source (hands and manufacture thereof G04B19/042; projection of hands or dials G04B19/34; illumination of scales and/or hands on moving scales H03J1/02; on compasses G01C17/24; on weighing apparatus G01G23/18; on measuring instruments G01D11/28)}
G04B19/305 (The hands carrying the light source) appears on 19 US grants and 16 published applications in this corpus.
Search patents in G04B- Granted patents
- 19
- Published applications
- 16
- Assignees
- 9
- Inventors
- 32
- Latest grant
- 8 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 2 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing a functional element on a timepiece component8 Apr 2025US 12,271,154 B2ETA SA Manufacture Horlogere Suisse
- Watch9 Apr 2024US 11,953,858 B2Seiko Epson Corporation
- Luminous display device18 May 2021US 11,009,652 B2The Swatch Group Research and Development Ltd
- Pointer and timepiece18 May 2021US 11,009,832 B2Casio Computer Co., Ltd.
- Luminous display device8 Dec 2020US 10,859,978 B2The Swatch Group Research and Development Ltd
- Luminous display device for a timepiece, in particular for a watch, comprising means for improving the visual appearance of the timepiece12 Feb 2026US 2026/0044114 A1The Swatch Group Research and Development Ltd
- Luminous timepiece display using optical coupling via microstructures12 Dec 2024US 2024/0411275 A1The Swatch Group Research and Development Ltd
- Watch22 Jul 2021US 2021/0223744 A1Seiko Epson Corporation
- Luminous display device9 Apr 2020US 2020/0110215 A1The Swatch Group Research and Development Ltd
- Method for producing a functional element on a timepiece component20 Jun 2019US 2019/0187620 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents
- Pendulum indicator horological device15US 4,723,232 A1988
- Analog display having electroluminescent pointer14US 5,697,322 ADurel Corporation · 1997
- Illuminated pointer for instrument gage11US 5,797,345 AFord Global Technologies, LLC · 1998
- Magnetically controlled arrhythmical pendulum device9US 4,723,233 A1988
- Power supply system for luminous hands9US 4,993,005 ASeikosha Co., Ltd. · 1991