G04B 19/32
By luminescent substances
Official title: by luminescent substances {(disc or drum shaped indicating means with marks or windows G04B19/04; with numbers or number-marks G04B19/20; cases for housing the electrical parts G04G17/00; projection of hands and/or scales on weighing apparatus G01G19/00; on measuring instruments G01D5/262; for advertising G09F19/18)}
G04B19/32 (By luminescent substances) appears on 59 US grants and 62 published applications in this corpus.
Search patents in G04B- Granted patents
- 59
- Published applications
- 62
- Assignees
- 35
- Inventors
- 114
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 4 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 4 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 3 |
| 2012 | 2 | 1 |
| 2013 | 2 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 4 |
| 2016 | 4 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 2 | 7 |
| 2020 | 1 | 3 |
| 2021 | 2 | 3 |
| 2022 | 4 | 5 |
| 2023 | 0 | 3 |
| 2024 | 6 | 3 |
| 2025 | 7 | 7 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Versatile horology component4 Aug 2026US 12,699,355 B2Rolex SA
- Method for manufacturing luminescent hands11 Nov 2025US 12,468,260 B2The Swatch Group Research and Development Ltd
- Timepiece with localized illumination4 Nov 2025US 12,461,493 B2The Swatch Group Research and Development Ltd
- Timepiece comprising an external element provided with a zirconia portion26 Aug 2025US 12,399,463 B2The Swatch Group Research and Development Ltd
- Miniature user-powered lighting device, system and method of using same29 Jul 2025US 12,372,926 B2Preciflex SA
- Watch with an analogue display featuring coaxial luminous hands1 Oct 2026US 2026/0299519 A1The Swatch Group Research and Development Ltd
- Watch with display lighting device18 Jun 2026US 2026/0169436 A1The Swatch Group Research and Development Ltd
- Luminescent adhesive decoration for horology components30 Apr 2026US 2026/0117093 A1The Swatch Group Research and Development Ltd
- More efficient photoluminescent material26 Jun 2025US 2025/0207018 A1The Swatch Group Research and Development Ltd
- Device for determining an acoustic event for a watch dial26 Jun 2025US 2025/0208580 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents
- Illumination devices for watches and other instruments257US 6,729,738 B2Luminary Logic Ltd. · 2004
- Motion controlled clock with alarm and flashlight features27US 5,524,101 ATimex Corporation · 1996
- Instrument illuminating arrangement24US 4,561,042 APforzheimer Uhren-Rohwerke PORTA GmbH · 1985
- Luminous body for a watch22US 6,208,593 B12001
- Electroluminescent display and luminous timepiece dial19US 5,838,644 ASeiko Precision Inc. · 1998