G09B 5/04
Electrically-operated educational appliances: with audible presentation of the material to be studied
Official title: with audible presentation of the material to be studied (sound recording or reproducing G11B)
G09B5/04 (Electrically-operated educational appliances: with audible presentation of the material to be studied) appears on 616 US grants and 766 published applications in this corpus.
Search patents in G09B- Granted patents
- 616
- Published applications
- 766
- Assignees
- 390
- Inventors
- 1,499
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 11 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 10 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 11 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 7 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 1 |
| 2002 | 15 | 14 |
| 2003 | 6 | 17 |
| 2004 | 5 | 15 |
| 2005 | 4 | 15 |
| 2006 | 8 | 25 |
| 2007 | 6 | 24 |
| 2008 | 4 | 25 |
| 2009 | 5 | 22 |
| 2010 | 8 | 20 |
| 2011 | 13 | 12 |
| 2012 | 11 | 12 |
| 2013 | 8 | 17 |
| 2014 | 11 | 25 |
| 2015 | 12 | 55 |
| 2016 | 25 | 52 |
| 2017 | 43 | 53 |
| 2018 | 27 | 54 |
| 2019 | 39 | 51 |
| 2020 | 43 | 43 |
| 2021 | 34 | 39 |
| 2022 | 34 | 44 |
| 2023 | 37 | 39 |
| 2024 | 23 | 35 |
| 2025 | 13 | 26 |
| 2026 | 11 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- System and method for audio guide11 Aug 2026US 12,705,994 B2Universal City Studios LLC
- Interactive educational electronic toy system21 Jul 2026US 12,688,791 B2Flycatcher Corp Ltd
- Lockdown apparatus for initiation of lockdown procedures at a facility during an emergency14 Jul 2026US 12,682,734 B2Lockdown Experts, LLC
- Child safety anatomy education device and teaching method24 Sep 2026US 2026/0284542 A1
- Personalized learning systems and methods24 Sep 2026US 2026/0290183 A1
- Systems and methods for assisting verbal communication in real-time with adaptive feedback, hearing-device integration and outcome-based learning24 Sep 2026US 2026/0290184 A1
- Systems and methods for an artificial intelligence health coach with biometric data integration and personalized health intervention generation17 Sep 2026US 2026/0279592 A1
- System10 Sep 2026US 2026/0268893 A1SoftBank Group Corp.
Most cited
By later US patents
- System and method for natural language processing of query answers680US 7,702,508 B2Phoenix Solutions, Inc. · 2010
- Interactive speech based learning/training system formulating search queries based on natural language parsing of recognized user queries566US 6,665,640 B1Phoenix Solutions, Inc. · 2003
- Query engine for processing voice based queries including semantic decoding558US 7,725,307 B2Phoenix Solutions, Inc. · 2010
- System and method for processing sentence based queries488US 7,657,424 B2Phoenix Solutions, Inc. · 2010
- Natural language speech lattice containing semantic variants485US 7,873,519 B2Phoenix Solutions, Inc. · 2011