A63C 17/20
Roller skates: with fixable wheels permitting the skates to be used for
Official title: with fixable wheels permitting the skates to be used for walking
A63C17/20 (Roller skates: with fixable wheels permitting the skates to be used for) appears on 159 US grants and 134 published applications in this corpus.
Search patents in A63C- Granted patents
- 159
- Published applications
- 134
- Assignees
- 50
- Inventors
- 219
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 1 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 5 |
| 2002 | 20 | 21 |
| 2003 | 10 | 22 |
| 2004 | 9 | 15 |
| 2005 | 6 | 7 |
| 2006 | 3 | 7 |
| 2007 | 6 | 3 |
| 2008 | 3 | 7 |
| 2009 | 2 | 8 |
| 2010 | 2 | 3 |
| 2011 | 2 | 2 |
| 2012 | 2 | 5 |
| 2013 | 2 | 2 |
| 2014 | 5 | 1 |
| 2015 | 2 | 2 |
| 2016 | 2 | 1 |
| 2017 | 1 | 1 |
| 2018 | 3 | 5 |
| 2019 | 1 | 3 |
| 2020 | 2 | 0 |
| 2021 | 1 | 2 |
| 2022 | 3 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 2 | 3 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shoe with removable means of transport4 Aug 2026US 12,697,538 B2Flaneurz
- Spring lock for skate wheel17 Feb 2026US 12,551,775 B2
- Roller skate, associated kit, and system17 Jun 2025US 12,330,044 B2Funfeats LLC
- Wheel housing with removable wheel cover for placement of deployable wheel member within dedicated multi-functional footwear1 Apr 2025US 12,262,795 B2Heelbilly Boots
- Ground engaging device with stowages for removable wheels23 Jan 2024US 11,878,234 B2
- Detachable roller skating structure, roller skate, and method for wearing roller skate9 Apr 2026US 2026/0097296 A1Shanxi Wofei Zhuque Technology Co., Ltd.
- Wheel extending and retracting device for dual-purpose shoes12 Mar 2026US 2026/0069962 A1
- Wheel device, sole, and wheel extending and retracting operation method7 Aug 2025US 2025/0249341 A1
- Mechanism for easy and safe installation, locking and removing of wheels on footwear13 Mar 2025US 2025/0083026 A1
- Spring lock for skate wheel9 Jan 2025US 2025/0010169 A1
Most cited
By later US patents
- Pneumatic shoe lacing apparatus152US 5,205,055 A1993
- Skate with detachable shoe97US 5,331,752 ARollerblade, Inc. · 1994
- Shoes for walking and roller skating69US 5,398,970 A1995
- Shoe usable for walking and roller-skating59US 3,983,643 A1976
- Sports equipment or vehicles with runners with interchangeable blade57US 5,769,434 A1998