G09B 1/36
The elements being connectible by corresponding projections and recesses
Official title: the elements being connectible by corresponding projections and recesses
G09B1/36 (The elements being connectible by corresponding projections and recesses) appears on 71 US grants and 77 published applications in this corpus.
Search patents in G09B- Granted patents
- 71
- Published applications
- 77
- Assignees
- 27
- Inventors
- 121
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 6 |
| 2004 | 5 | 14 |
| 2005 | 0 | 0 |
| 2006 | 6 | 4 |
| 2007 | 3 | 6 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 2 | 1 |
| 2012 | 0 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 1 |
| 2017 | 3 | 4 |
| 2018 | 1 | 6 |
| 2019 | 1 | 5 |
| 2020 | 0 | 4 |
| 2021 | 2 | 5 |
| 2022 | 6 | 2 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, methods, and manipulatives for instruction in exponents and logarithms17 Feb 2026US 12,555,493 B2Financial Life Cycle Education
- Use of semantic boards and semantic buttons for training and assisting the expression and understanding of language22 Jul 2025US 12,364,248 B2
- Building block system and method of use8 Oct 2024US 12,109,503 B2Timber Brands LLC
- Device for generating computer programs and a method for generating computer programs6 Aug 2024US 12,057,027 B2Becreo Technologies Sp. Z O. O.
- Use of semantic boards and semantic buttons for training and assisting the expression and understanding of language2 May 2023US 11,638,414 B2
- Puzzle14 May 2026US 2026/0131230 A1Lovevery, Inc.
- Training tool for improvement of autism spectrum disorder23 Oct 2025US 2025/0325779 A1Creamo Inc.
- Modular training apparatus13 Feb 2025US 2025/0050237 A1
- Education material and mind game11 Jan 2024US 2024/0013678 A1
- Use of semantic boards and semantic buttons for training and assisting the expression and understanding of language21 Sep 2023US 2023/0292711 A1
Most cited
By later US patents
- Character recognition educational system223US 5,823,782 ATinkers & Chance · 1998
- Learning system with interlocking hexagonal control structures75US 5,447,433 A1995
- Activity device70US 7,238,026 B2Mattel, Inc. · 2007
- Electronic educational toy appliance teaching letters words and numbers68US 6,739,874 B2Tinkers & Chance · 2004
- Educational block with replaceable chip58US 4,003,144 ADamon Corporation · 1977