G04G 13/00
Producing acoustic time signals
G04G13/00 (Producing acoustic time signals) appears on 776 US grants and 557 published applications in this corpus.
Search patents in G04G- Granted patents
- 776
- Published applications
- 557
- Assignees
- 278
- Inventors
- 1,474
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 10 | 0 |
| 1978 | 26 | 0 |
| 1979 | 15 | 0 |
| 1980 | 31 | 0 |
| 1981 | 37 | 0 |
| 1982 | 20 | 0 |
| 1983 | 36 | 0 |
| 1984 | 40 | 0 |
| 1985 | 22 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 13 | 0 |
| 1995 | 8 | 0 |
| 1996 | 9 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 17 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 2 |
| 2002 | 9 | 15 |
| 2003 | 5 | 10 |
| 2004 | 9 | 11 |
| 2005 | 13 | 18 |
| 2006 | 5 | 19 |
| 2007 | 15 | 28 |
| 2008 | 14 | 15 |
| 2009 | 11 | 34 |
| 2010 | 8 | 22 |
| 2011 | 18 | 27 |
| 2012 | 16 | 22 |
| 2013 | 24 | 28 |
| 2014 | 26 | 37 |
| 2015 | 18 | 23 |
| 2016 | 20 | 37 |
| 2017 | 34 | 32 |
| 2018 | 20 | 26 |
| 2019 | 19 | 20 |
| 2020 | 26 | 29 |
| 2021 | 14 | 22 |
| 2022 | 16 | 15 |
| 2023 | 15 | 20 |
| 2024 | 16 | 17 |
| 2025 | 12 | 13 |
| 2026 | 9 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus control device, apparatus control method, and recording medium25 Aug 2026US 12,717,291 B2Casio Computer Co., Ltd.
- 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
- Adaptive alarm management in an electronic device12 May 2026US 12,627,756 B2Motorola Mobility LLC
- Audio communication14 Apr 2026US 12,603,711 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.
- Stand-Alone Apparatus and Related Method for Determining an Interval of Time Elapsed From a Certain Instant of Time by a Person Who Carries Out an Activity13 Aug 2026US 2026/0235990 A1Patmos, Unipessoal LDA
- Child sleep clock23 Jul 2026US 2026/0207882 A1Fisketech, LLC
- Multifunction sleep training device with remote locking mechanism and methods of operation thereof9 Jul 2026US 2026/0192082 A1Hatch Baby, Inc.
Most cited
By later US patents
- Alarm interface for a smart watch766US 6,477,117 B1International Business Machines Corporation · 2002
- Digital audio devices273US 6,678,215 B12004
- Prescription compliance device and method of using device189US 6,018,289 A2000
- Multi-modal data input/output apparatus and method compatible with bio-engineering requirements182US 4,070,649 ASAID Sanford J. Wright, by said Peter Anderson and said Ralph Grimes · 1978
- System for discriminating sleep state145US 5,101,831 AMatsushita Electric Works, Ltd. · 1992