A63F 2250/122
Closed loop
A63F2250/122 (Closed loop) appears on 14 US grants and 7 published applications in this corpus.
Search patents in A63F- Granted patents
- 14
- Published applications
- 7
- Assignees
- 6
- Inventors
- 24
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 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 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Glow-in-the-dark string and string shooting device5 Mar 2024US 11,918,927 B1Zipstring LLC
- Wisdom ring puzzle6 Jul 2021US 11,052,306 B2i Subaru Co., Ltd.
- Game utilizing magnetic forces6 Apr 2021US 10,967,247 B1Kluster LLC
- Apparatus for cat's cradle game12 Sep 2006US 7,104,865 B1
- Wire maze toy13 Jan 2004US 6,676,481 B2Educo International, Inc.
- Glow-in-the-dark string and string shooting device6 Jun 2024US 2024/0181366 A1Zipstring LLC
- Glow-in-the-dark string and string shooting device28 Mar 2024US 2024/0100448 A1Zipstring LLC
- Toy with bistable spring attachment component and skill game using same8 Sep 2022US 2022/0280865 A1Bright Kingdom Development Ltd.
- Game system, game sheet, game program, and game device20 May 2021US 2021/0146231 A1
- Wisdom ring puzzle6 Aug 2020US 2020/0246685 A1i Subaru Co., Ltd.
Most cited
By later US patents
- Pyramid puzzle formed from tetrahedral and octaeder pieces connected by a strand44US 5,108,100 A1992
- Telescoping strut members and tendons for constructing tensile integrity structures36US 4,614,502 A1986
- Game with pegs randomly moved on board to stretch an elastic band25US 4,667,965 AO-Board, Inc. · 1987
- Loop transfer game device12US 4,957,292 A1990
- Wire maze toy9US 6,676,481 B2Educo International, Inc. · 2004