G09B 1/16
The elements each bearing a plurality of different symbols, signs, or combinations
Official title: the elements each bearing a plurality of different symbols, signs, or combinations of symbols and signs, only one symbol, sign, or combination thereof, of each element to be used at a time
G09B1/16 (The elements each bearing a plurality of different symbols, signs, or combinations) appears on 117 US grants and 111 published applications in this corpus.
Search patents in G09B- Granted patents
- 117
- Published applications
- 111
- Assignees
- 41
- Inventors
- 207
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 5 | 0 |
| 1979 | 4 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 10 |
| 2004 | 7 | 17 |
| 2005 | 2 | 2 |
| 2006 | 6 | 6 |
| 2007 | 3 | 8 |
| 2008 | 2 | 7 |
| 2009 | 4 | 4 |
| 2010 | 1 | 0 |
| 2011 | 2 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 3 |
| 2016 | 3 | 4 |
| 2017 | 2 | 3 |
| 2018 | 4 | 5 |
| 2019 | 2 | 11 |
| 2020 | 4 | 4 |
| 2021 | 3 | 3 |
| 2022 | 3 | 10 |
| 2023 | 0 | 2 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Story ribbons7 Apr 2026US 12,597,360 B2
- Multi-layer toy3 Feb 2026US 12,539,458 B2
- Rubik's cube of Chinese characters3 Dec 2024US 12,159,553 B2
- Apparatuses for chiral and spontaneous separations of enantiomorphous objects6 Aug 2024US 12,053,801 B1Knowledge Makers LLC
- Educational aid30 Jan 2024US 11,887,500 B2
- Story ribbons12 Feb 2026US 2026/0045170 A1
- Smart block capable of supplying power and recognizing position, and control system for same5 Sep 2024US 2024/0293757 A1Creamo Inc.
- Educational blocks7 Sep 2023US 2023/0277919 A1
- Apparatus, and related systems and methods7 Sep 2023US 2023/0282127 A1
- Two-process sleep wheel15 Dec 2022US 2022/0395220 A1
Most cited
By later US patents
- Character recognition educational system223US 5,823,782 ATinkers & Chance · 1998
- Electronic educational toy appliance teaching letters words and numbers68US 6,739,874 B2Tinkers & Chance · 2004
- Music teaching aid54US 6,031,172 AMusacus International Limited · 2000
- Method and apparatus for interacting with a computer using a plurality of individual handheld objects47US 6,464,503 B1Tinkers & Chance · 2002
- Electronic educational toy teaching letters words, numbers and pictures41US 7,018,213 B2Tinkers & Chance · 2006