A63H 18/021
Flexible tracks
Official title: {Flexible tracks; Fluid-pressure-actuated tracks}
A63H18/021 (Flexible tracks) appears on 44 US grants and 44 published applications in this corpus.
Search patents in A63H- Granted patents
- 44
- Published applications
- 44
- Assignees
- 20
- Inventors
- 87
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 3 |
| 2011 | 3 | 3 |
| 2012 | 1 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 3 | 5 |
| 2019 | 7 | 6 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 2 | 1 |
| 2023 | 0 | 2 |
| 2024 | 2 | 2 |
| 2025 | 1 | 2 |
| 2026 | 4 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flexible toy vehicle track25 Aug 2026US 12,714,946 B1
- Toy vehicle track28 Jul 2026US 12,691,385 B2Mattel, Inc.
- Toy vehicle track21 Apr 2026US 12,605,642 B2Mattel, Inc.
- Toy vehicle track with lift, release and stunt apparatuses3 Feb 2026US 12,539,469 B2Spin Master Ltd.
- Toy vehicle track13 May 2025US 12,296,278 B1Mattel, Inc.
- Toy Vehicle Track16 Oct 2025US 2025/0319415 A1Mattel, Inc.
- Toy vehicle track16 Oct 2025US 2025/0319416 A1Mattel, Inc.
- Toy vehicle playset17 Oct 2024US 2024/0342620 A1Mattel, Inc.
- Toy vehicle track with lift, release and stunt apparatuses4 Apr 2024US 2024/0108996 A1Spin Master Ltd.
- Flexible Track Assembly19 Oct 2023US 2023/0330551 A1
Most cited
By later US patents
- Toy vehicle track22US 7,770,811 B22010
- Tube racer track system21US 10,335,700 B2Dongguan Silverlit Toys Co., Ltd. · 2019
- Electrically-operated moving body travelling on a rail capable of explaining free quadrants described in the mobius theorem21US 5,678,489 AJya Cheng Enterprise Co. Ltd. · 1997
- Flexible track for a toy vehicle17US 6,631,850 B1Battat Incorporated · 2003
- Miniature monorail system16US 4,217,727 A1980