G04G 13/021
Details
Official title: {Details}
G04G13/021 (Details) appears on 252 US grants and 172 published applications in this corpus.
Search patents in G04G- Granted patents
- 252
- Published applications
- 172
- Assignees
- 126
- Inventors
- 515
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 5 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 13 | 0 |
| 1981 | 8 | 0 |
| 1982 | 7 | 0 |
| 1983 | 10 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 7 |
| 2003 | 3 | 5 |
| 2004 | 4 | 6 |
| 2005 | 6 | 6 |
| 2006 | 1 | 3 |
| 2007 | 5 | 8 |
| 2008 | 4 | 2 |
| 2009 | 2 | 15 |
| 2010 | 2 | 8 |
| 2011 | 2 | 5 |
| 2012 | 5 | 5 |
| 2013 | 5 | 7 |
| 2014 | 9 | 14 |
| 2015 | 5 | 5 |
| 2016 | 6 | 11 |
| 2017 | 14 | 14 |
| 2018 | 5 | 3 |
| 2019 | 8 | 6 |
| 2020 | 5 | 8 |
| 2021 | 7 | 7 |
| 2022 | 4 | 5 |
| 2023 | 5 | 5 |
| 2024 | 7 | 6 |
| 2025 | 4 | 5 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Organic-light emitting diode11 Aug 2026US 12,704,230 B2Pictiva Displays International Limited
- Transducer device for a wearable object, and method for operating same7 Jul 2026US 12,675,078 B2The Swatch Group Research and Development Ltd
- Audio communication14 Apr 2026US 12,603,711 B2Apple Inc.
- Wakeup device utilizing weight of liquid to enable and disable functionality24 Feb 2026US 12,560,892 B1
- Methods and systems for disabling sleep alarm based on automated wake detection3 Feb 2026US 12,542,047 B2Apple Inc.
- Organic-light emitting diode1 Oct 2026US 2026/0298429 A1Pictiva Displays International Limited
- Schedule management method, and electronic device for supporting same17 Sep 2026US 2026/0277167 A1Samsung Electronics Co., Ltd.
- Alert Wristband Device25 Jun 2026US 2026/0177990 A1
- Sound playback device, sound playback method, and sound playback program12 Feb 2026US 2026/0044120 A1Nintendo Co., Ltd.
- Alarm playback device, alarm playback method, and non-transitory computer readable medium12 Feb 2026US 2026/0044121 A1Nintendo Co., Ltd.
Most cited
By later US patents
- Method and apparatus for a waking control system121US 6,888,779 B2Pulsar Informatics, Inc. · 2005
- Lamp and alarm clock with gradually increasing light or sounds106US 6,236,622 B1Verilux, Inc. · 2001
- Resonant piezoelectric alerting device76US 6,078,126 AMotorola, Inc. · 2000
- Electronic clock with alarm and method for setting alarm time60US 5,559,762 ASeiko Epson Corporation · 1996
- Damped resonant piezoelectric alerting device55US 5,945,772 AMotorla, Inc. · 1999