A63H 33/086
With primary projections fitting by friction in complementary spaces between secondary projections
Official title: {with primary projections fitting by friction in complementary spaces between secondary projections, e.g. sidewalls}
A63H33/086 (With primary projections fitting by friction in complementary spaces between secondary projections) appears on 345 US grants and 495 published applications in this corpus.
Search patents in A63H- Granted patents
- 345
- Published applications
- 495
- Assignees
- 184
- Inventors
- 810
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 12 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 6 | 2 |
| 2004 | 3 | 3 |
| 2005 | 0 | 6 |
| 2006 | 1 | 8 |
| 2007 | 3 | 7 |
| 2008 | 4 | 4 |
| 2009 | 1 | 9 |
| 2010 | 3 | 10 |
| 2011 | 2 | 13 |
| 2012 | 3 | 13 |
| 2013 | 9 | 22 |
| 2014 | 16 | 23 |
| 2015 | 15 | 25 |
| 2016 | 15 | 30 |
| 2017 | 21 | 42 |
| 2018 | 20 | 42 |
| 2019 | 32 | 35 |
| 2020 | 26 | 37 |
| 2021 | 25 | 34 |
| 2022 | 21 | 23 |
| 2023 | 21 | 31 |
| 2024 | 19 | 28 |
| 2025 | 15 | 23 |
| 2026 | 10 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Smart blocks213US 6,443,796 B12002
- Adapter block120US 4,744,780 ATyco Industries, Inc. · 1988
- Interlocking toy building blocks with interconnecting, releasable hinges116US 4,606,732 A1986
- Building block110US 6,050,044 AKitsilano Industries Inc. · 2000
- Construction toy support base104US 5,779,515 ARitvik Holdings Inc. · 1998