A63H 29/04
Helical-spring driving mechanisms
A63H29/04 (Helical-spring driving mechanisms) appears on 50 US grants and 19 published applications in this corpus.
Search patents in A63H- Granted patents
- 50
- Published applications
- 19
- Assignees
- 28
- Inventors
- 74
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 5 | 2 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 2 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 0 | 2 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Toy vehicle launcher7 Apr 2026US 12,594,507 B1Mattel, Inc.
- Detachable and adjustable wheeled base for mobile device19 Apr 2022US 11,305,207 B2
- Toy having push lock and drive mechanism22 Oct 2019US 10,449,465 B2
- Walking toy and walking toy set13 Jun 2017US 9,675,896 B2MD Works Company Limited
- Miniaturized steer roping practice apparatus21 Mar 2017US 9,597,572 B1Hot Heels, Inc.
- Self-propelled novelty toy4 Sep 2025US 2025/0276252 A1
- Self-propelled novelty toy19 Oct 2023US 2023/0330554 A1
- Gearbox used in wheel assemblies with variable level of vibration25 Feb 2021US 2021/0054829 A1Alchemy20 Workshop Limited
- Gearbox used in wheel assemblies with variable level of vibration26 Nov 2020US 2020/0370542 A1Alchemy20 Workshop Limited
- Surprise assortment toy container with changeable configurations10 Sep 2020US 2020/0283195 A1Honor Metro Limited
Most cited
By later US patents