G09B 5/02
Electrically-operated educational appliances: with visual presentation of the material to be studied
Official title: with visual presentation of the material to be studied, e.g. using film strip
G09B5/02 (Electrically-operated educational appliances: with visual presentation of the material to be studied) appears on 1,945 US grants and 3,425 published applications in this corpus.
Search patents in G09B- Granted patents
- 1,945
- Published applications
- 3,425
- Assignees
- 1,296
- Inventors
- 6,440
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 12 | 8 |
| 2002 | 14 | 27 |
| 2003 | 10 | 15 |
| 2004 | 11 | 19 |
| 2005 | 8 | 17 |
| 2006 | 10 | 19 |
| 2007 | 8 | 22 |
| 2008 | 7 | 19 |
| 2009 | 8 | 21 |
| 2010 | 11 | 42 |
| 2011 | 16 | 38 |
| 2012 | 22 | 48 |
| 2013 | 20 | 66 |
| 2014 | 48 | 155 |
| 2015 | 32 | 239 |
| 2016 | 105 | 341 |
| 2017 | 128 | 344 |
| 2018 | 140 | 265 |
| 2019 | 202 | 256 |
| 2020 | 216 | 207 |
| 2021 | 168 | 214 |
| 2022 | 167 | 253 |
| 2023 | 147 | 194 |
| 2024 | 140 | 214 |
| 2025 | 132 | 207 |
| 2026 | 84 | 175 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Drug pump systems and methods1,088US 5,935,099 ASIMS Deltec, Inc. · 1999
- Agent based instruction system and method868US 5,727,950 ANetsage Corporation · 1998
- Drug pump systems and methods658US 6,241,704 B1SIMS Deltec, Inc. · 2001
- Panoramic display system611US 5,130,794 A1992
- Method and system for logging vehicle behavior514US 9,311,271 B22016