B60B 33/0071
The swivel axis being inclined
Official title: {the swivel axis being inclined}
B60B33/0071 (The swivel axis being inclined) appears on 12 US grants and 18 published applications in this corpus.
Search patents in B60B- Granted patents
- 12
- Published applications
- 18
- Assignees
- 16
- Inventors
- 27
- Latest grant
- 27 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 0 | 3 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
By publication year.
Recent patents
- Dual-state caster and method27 Jun 2023US 11,685,188 B2Exokinetics, Inc.
- Auxiliary drive device for a wheelchair9 May 2023US 11,642,256 B2Alber GmbH
- Caster wheel assembly and a wheelchair comprising the same3 May 2022US 11,318,786 B2Permobil AB
- Caster wheel support assembly for a wheelchair and wheelchair comprising the same21 Dec 2021US 11,203,230 B2Invacare International GmbH
- Skateboard3 Aug 2021US 11,077,357 B2GoodMen Household Products Technology (Shenzhen) Co., Ltd.
- Skateboard29 Apr 2021US 2021/0121769 A1Niceman Technology Co., Ltd.
- Auxiliary drive device for a wheelchair19 Mar 2020US 2020/0085652 A1Alber GmbH
- Caster wheel support assembly for a wheelchair and wheelchair comprising the same12 Mar 2020US 2020/0079153 A1Invacare International GmbH
- Dual-state caster and method13 Feb 2020US 2020/0047552 A1Exokinetics, Inc.
- A caster wheel assembly and a wheelchair comprising the same5 Dec 2019US 2019/0366768 A1Permobil AB
Most cited
By later US patents
- Stroller having wheel rotation control device29US 7,213,818 B2Abmex Enterprise Co., Ltd. · 2007
- Mobile load carrier with castor mounting arrangement24US 6,908,087 B2Dynamic Products, Inc. · 2005
- Auxiliary drive device for a wheelchair8US 11,642,256 B2Alber GmbH · 2023
- Self-propelled windrower tailwheel non-zero caster for stability8US 9,168,784 B2CNH Industrial America LLC · 2015
- Bi-directional propulsion caster4US 8,297,630 B2James Patrick O'Rourke · 2012