G09B 3/00
Manually or mechanically operated teaching appliances working with questions and answers
Official title: Manually or mechanically operated teaching appliances working with questions and answers (electrically-operated G09B7/00; {e.g. G09B7/063} advertising or displaying in general G09F)
G09B3/00 (Manually or mechanically operated teaching appliances working with questions and answers) appears on 300 US grants and 265 published applications in this corpus.
Search patents in G09B- Granted patents
- 300
- Published applications
- 265
- Assignees
- 134
- Inventors
- 615
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 13 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 6 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 3 | 0 |
| 1992 | 10 | 0 |
| 1993 | 7 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 14 | 0 |
| 2001 | 4 | 0 |
| 2002 | 5 | 6 |
| 2003 | 5 | 13 |
| 2004 | 8 | 30 |
| 2005 | 7 | 4 |
| 2006 | 10 | 19 |
| 2007 | 3 | 19 |
| 2008 | 1 | 20 |
| 2009 | 3 | 11 |
| 2010 | 4 | 13 |
| 2011 | 3 | 4 |
| 2012 | 8 | 9 |
| 2013 | 5 | 8 |
| 2014 | 12 | 13 |
| 2015 | 2 | 10 |
| 2016 | 5 | 5 |
| 2017 | 5 | 12 |
| 2018 | 6 | 9 |
| 2019 | 1 | 8 |
| 2020 | 10 | 11 |
| 2021 | 5 | 8 |
| 2022 | 3 | 6 |
| 2023 | 7 | 7 |
| 2024 | 5 | 10 |
| 2025 | 6 | 6 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image processing apparatus, method of controlling the same, and storage medium6 Oct 2026US 12,755,642 B2Canon Kabushiki Kaisha
- Customizable teaching cuboid8 Sep 2026US 12,728,665 B2
- Chat card engine(s) for conversational chat cards14 Jul 2026US 12,682,775 B2Microsoft Technology Licensing, LLC
- Apparatus and method for recursive use of articles in performance of activities21 Apr 2026US 12,609,041 B2
- Educational aid for teaching mathematics10 Mar 2026US 12,573,316 B2Equate-Ing IP Holdco, LLC
- Smarty Pants8 Oct 2026US 2026/0311609 A1
- System for online automated exam proctoring24 Sep 2026US 2026/0290178 A1Proctoru, Inc.
- Rotatable toy system2 Jul 2026US 2026/0183679 A14M Industrial Development Limited
- Method and system for generating secure verification documents15 Jan 2026US 2026/0019524 A1Xerox Corporation
- Ai powered dynamic story generation system for individualized learning and a method thereof16 Oct 2025US 2025/0322766 A12hr Learning, Inc.
Most cited
By later US patents
- Character recognition educational system223US 5,823,782 ATinkers & Chance · 1998
- Novel educational toy210US 4,027,402 A1977
- Method for evaluating standardized test results116US 6,960,088 B12005
- Information gathering system99US 4,428,733 A1984
- Computerized systems for optically scanning and electronically scoring and reporting test results80US 6,042,384 ABookette Software Company · 2000