G09B 1/04
The elements each bearing a single symbol or a single combination of
Official title: the elements each bearing a single symbol or a single combination of symbols
G09B1/04 (The elements each bearing a single symbol or a single combination of) appears on 245 US grants and 166 published applications in this corpus.
Search patents in G09B- Granted patents
- 245
- Published applications
- 166
- Assignees
- 75
- Inventors
- 392
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 5 | 0 |
| 1978 | 4 | 0 |
| 1979 | 10 | 0 |
| 1980 | 11 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 12 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 13 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 4 |
| 2003 | 2 | 9 |
| 2004 | 6 | 14 |
| 2005 | 1 | 5 |
| 2006 | 6 | 5 |
| 2007 | 5 | 4 |
| 2008 | 3 | 1 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 8 |
| 2012 | 1 | 5 |
| 2013 | 5 | 1 |
| 2014 | 2 | 3 |
| 2015 | 1 | 9 |
| 2016 | 3 | 6 |
| 2017 | 4 | 13 |
| 2018 | 5 | 8 |
| 2019 | 6 | 12 |
| 2020 | 8 | 15 |
| 2021 | 9 | 9 |
| 2022 | 7 | 10 |
| 2023 | 1 | 6 |
| 2024 | 2 | 4 |
| 2025 | 3 | 6 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Educational treasure hunting game assembly and method of use25 Aug 2026US 12,718,704 B2
- Medicament delivery device21 Jul 2026US RE50,960 E1Shl Medical AG
- System and method for student engagement and active learning2 Jun 2026US 12,646,416 B2
- Sensory learning, sensory play pegboard display and methods of making and using same19 May 2026US 12,633,225 B2
- Interactive educational tool11 Nov 2025US 12,469,403 B1
- Smarty Pants8 Oct 2026US 2026/0311609 A1
- Self-locking electronic circuit tester with built-in portable power distributor6 Aug 2026US 2026/0229145 A1Codebender R&D Hellas Monoprosopi Ike
- Interactive learning board system and method thereof9 Jul 2026US 2026/0196137 A1
- Noahs ark baby stroller28 May 2026US 2026/0145722 A1
- Freestanding sensory learning and display tool with incorporated reusable writing surface14 May 2026US 2026/0134793 A1
Most cited
By later US patents
- Character recognition educational system223US 5,823,782 ATinkers & Chance · 1998
- Magnetic writing board chore chart116US 9,483,958 B12016
- Talking phonics interactive learning device90US 5,511,980 ALeapfrog RBT · 1996
- Motivational task tracking device80US 5,577,915 A1996
- Information shapes76US 5,013,245 A1991