A63F 2009/0446
Twenty-sided
Official title: {twenty-sided}
A63F2009/0446 (Twenty-sided) appears on 18 US grants and 19 published applications in this corpus.
Search patents in A63F- Granted patents
- 18
- Published applications
- 19
- Assignees
- 5
- Inventors
- 43
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 3 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 4 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Game target, entertainment system, and method of use21 Jul 2026US 12,685,925 B2
- Tactile braille dice16 Sep 2025US 12,415,127 B2DOTS RPG Project Foundation
- Collapsible polyhedron11 Jan 2022US 11,219,818 B1
- Card game21 Feb 2017US 9,573,046 B2Mattel, Inc.
- Equals: the game of strategy for the basic facts19 Oct 2010US 7,815,191 B2
- Low Probability Dice25 Dec 2025US 2025/0387698 A1
- Game target, entertainment system, and method of use19 Dec 2024US 2024/0416218 A1
- Rounded dice22 Jun 2023US 2023/0191239 A1
- Tactile Braille Dice15 Dec 2022US 2022/0395745 A1DOTS RPG Project Foundation
- Embedding objects in castings1 Dec 2022US 2022/0379527 A1Spidermind Games Ltd
Most cited
By later US patents
- Method of playing a wagering game139US 6,123,333 A2000
- Icosahedron decimal dice36US 5,909,874 A1999
- Symmetrical dice with card indicia29US 5,224,708 A1993
- Symmetrical dice with card indicia28US 5,145,175 A1992
- Board game having a random indicator for determining direction, amount and axis of reference of movement of tokens24US 5,607,159 A1997