G09B 7/02
Electrically-operated teaching apparatus or devices working with questions and answers: of the
Official title: of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
G09B7/02 (Electrically-operated teaching apparatus or devices working with questions and answers: of the) appears on 2,261 US grants and 3,611 published applications in this corpus.
Search patents in G09B- Granted patents
- 2,261
- Published applications
- 3,611
- Assignees
- 1,393
- Inventors
- 7,011
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 9 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 10 | 0 |
| 1983 | 3 | 0 |
| 1984 | 11 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 5 | 0 |
| 1991 | 11 | 0 |
| 1992 | 11 | 0 |
| 1993 | 21 | 0 |
| 1994 | 23 | 0 |
| 1995 | 26 | 0 |
| 1996 | 28 | 0 |
| 1997 | 21 | 0 |
| 1998 | 48 | 0 |
| 1999 | 44 | 0 |
| 2000 | 63 | 0 |
| 2001 | 49 | 33 |
| 2002 | 51 | 107 |
| 2003 | 50 | 100 |
| 2004 | 50 | 128 |
| 2005 | 30 | 105 |
| 2006 | 48 | 143 |
| 2007 | 30 | 107 |
| 2008 | 26 | 130 |
| 2009 | 31 | 94 |
| 2010 | 46 | 91 |
| 2011 | 41 | 82 |
| 2012 | 54 | 121 |
| 2013 | 67 | 134 |
| 2014 | 70 | 200 |
| 2015 | 69 | 198 |
| 2016 | 81 | 200 |
| 2017 | 84 | 169 |
| 2018 | 87 | 216 |
| 2019 | 125 | 204 |
| 2020 | 139 | 150 |
| 2021 | 134 | 159 |
| 2022 | 121 | 171 |
| 2023 | 116 | 164 |
| 2024 | 102 | 143 |
| 2025 | 100 | 126 |
| 2026 | 61 | 136 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Enhancing cognition in the presence of distraction and/or interruption6 Oct 2026US 12,755,643 B2The Regents of the University of California
- Individual learning system6 Oct 2026US 12,755,644 B2Iryou Jyouhou Gijyutu Kenkyusho Corporation
- Testing situational awareness of drivers tasked with monitoring a vehicle operating in an autonomous driving mode29 Sep 2026US 12,746,950 B2Waymo LLC
- Method and apparatus for predicting test scores22 Sep 2026US 12,743,963 B2Socra AI Inc.
- Auto exam builder8 Sep 2026US 12,731,504 B2Mastercontrol Solutions, Inc.
- Systems and methods for launching innovation8 Oct 2026US 2026/0311614 A1
- Method and server device for interactive learning1 Oct 2026US 2026/0301594 A1National Taiwan Normal University
- Virtual Meeting Coaching with Dynamically Extracted Content1 Oct 2026US 2026/0301595 A1Zoom Communications, Inc.
- Interactive learning with dynamically designed learning based on performance evaluation1 Oct 2026US 2026/0301596 A1Tata Consultancy Services Limited
- System24 Sep 2026US 2026/0289476 A1SoftBank Group Corp.
Most cited
By later US patents
- Automated and interactive behavioral and medical guidance system969US 5,596,994 A1997
- On-line health education and feedback system using motivational driver profile coding and automated content fulfillment951US 5,879,163 AHealth Hero Network, Inc. · 1999
- Method for mediating social and behavioral processes in medicine and business through an interactive telecommunications guidance system896US 5,722,418 A1998
- Agent based instruction system and method868US 5,727,950 ANetsage Corporation · 1998
- Dialog between TV movies and human viewers659US 4,305,131 A1981