G09B 1/18
The elements being rotatable
Official title: the elements being rotatable
G09B1/18 (The elements being rotatable) appears on 54 US grants and 39 published applications in this corpus.
Search patents in G09B- Granted patents
- 54
- Published applications
- 39
- Assignees
- 18
- Inventors
- 99
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 4 |
| 2007 | 0 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 3 |
| 2010 | 1 | 0 |
| 2011 | 0 | 3 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 1 | 2 |
| 2016 | 3 | 2 |
| 2017 | 0 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 5 |
| 2020 | 2 | 0 |
| 2021 | 2 | 0 |
| 2022 | 1 | 6 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-layer toy3 Feb 2026US 12,539,458 B2
- Language learning assembly and method of use5 Apr 2022US 11,295,630 B2Lilyza LLC
- Device for the representation of tactile characters28 Dec 2021US 11,210,960 B2Technische UniversitäT Wien
- Multi-layer toy16 Mar 2021US 10,950,141 B1
- Multi-layer toy29 Dec 2020US 10,878,720 B1
- Two-process sleep wheel15 Dec 2022US 2022/0395220 A1
- Multi-layer toy17 Nov 2022US 2022/0362658 A1
- Autocorrecting device suitable for learning a rule of grammar in a romance language4 Aug 2022US 2022/0246050 A1
- Spinning 3D Geometric Shapes21 Apr 2022US 2022/0122474 A1
- Language learning assembly and method of use10 Feb 2022US 2022/0044588 A1Lilyza LLC
Most cited
By later US patents
- Music teaching aid54US 6,031,172 AMusacus International Limited · 2000
- Educational book with interactive elements26US 4,537,576 A1985
- Vowel sound teaching device25US 4,643,680 A1987
- Educational device for dyslexic children23US 4,123,853 A1978
- Amusement device for spelling education21US 4,146,978 AMarvin Glass & Associates · 1979