A63C 17/0033
Roller skates: with a castor wheel, i.e. a swiveling follow-up wheel
Official title: {with a castor wheel, i.e. a swiveling follow-up wheel}
A63C17/0033 (Roller skates: with a castor wheel, i.e. a swiveling follow-up wheel) appears on 109 US grants and 135 published applications in this corpus.
Search patents in A63C- Granted patents
- 109
- Published applications
- 135
- Assignees
- 39
- Inventors
- 167
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 4 |
| 2003 | 1 | 2 |
| 2004 | 0 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 3 | 8 |
| 2008 | 2 | 4 |
| 2009 | 2 | 7 |
| 2010 | 2 | 9 |
| 2011 | 3 | 7 |
| 2012 | 2 | 13 |
| 2013 | 12 | 9 |
| 2014 | 6 | 5 |
| 2015 | 3 | 1 |
| 2016 | 2 | 4 |
| 2017 | 4 | 5 |
| 2018 | 6 | 11 |
| 2019 | 6 | 7 |
| 2020 | 6 | 3 |
| 2021 | 4 | 5 |
| 2022 | 3 | 3 |
| 2023 | 3 | 5 |
| 2024 | 5 | 4 |
| 2025 | 5 | 5 |
| 2026 | 0 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Powered wheeled board28 Oct 2025US 12,453,918 B2
- Convertible caster board7 Oct 2025US 12,434,127 B2Razor USA LLC
- Powered mobility systems23 Sep 2025US 12,420,169 B2Razor USA LLC
- Powered two-wheel vehicle18 Feb 2025US 12,227,254 B2Intellectual Property Holdings, LLC
- Caster boards with removable insert21 Jan 2025US 12,201,891 B2Razor USA LLC
- Abdominal wheel16 Jul 2026US 2026/0199728 A1Guangzhou Dingdian Health Technology Co., Ltd.
- Powered wheeled board11 Jun 2026US 2026/0158363 A1Razor USA LLC
- Convertible caster board2 Apr 2026US 2026/0091296 A1
- Powered mobility systems19 Feb 2026US 2026/0048318 A1Razor USA LLC
- Skateboard and Steering Device8 Jan 2026US 2026/0007947 A1Asquire Corp.
Most cited
By later US patents
- Vehicle86US 7,198,280 B2Yamaha Hatsudoki Kabushiki Kaisha · 2007
- Skateboard with direction-caster83US 7,195,259 B2Slovie Co., Ltd. · 2007
- Releasable fifth wheel caster for skateboards77US 5,347,681 A1994
- Skateboard having two wheels in tandem76US 5,160,155 A1992
- One piece flexible skateboard76US 7,338,056 B2Razor USA LLC · 2008