B60B 33/0073
The swivel axis being symmetrical to wheel or wheels
Official title: {the swivel axis being symmetrical to wheel or wheels}
B60B33/0073 (The swivel axis being symmetrical to wheel or wheels) appears on 432 US grants and 361 published applications in this corpus.
Search patents in B60B- Granted patents
- 432
- Published applications
- 361
- Assignees
- 246
- Inventors
- 673
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 11 | 0 |
| 1994 | 16 | 0 |
| 1995 | 5 | 0 |
| 1996 | 12 | 0 |
| 1997 | 13 | 0 |
| 1998 | 16 | 0 |
| 1999 | 16 | 0 |
| 2000 | 13 | 0 |
| 2001 | 21 | 11 |
| 2002 | 21 | 22 |
| 2003 | 22 | 27 |
| 2004 | 19 | 30 |
| 2005 | 22 | 22 |
| 2006 | 14 | 21 |
| 2007 | 14 | 27 |
| 2008 | 11 | 28 |
| 2009 | 17 | 28 |
| 2010 | 13 | 25 |
| 2011 | 22 | 27 |
| 2012 | 13 | 15 |
| 2013 | 24 | 21 |
| 2014 | 23 | 9 |
| 2015 | 9 | 6 |
| 2016 | 10 | 8 |
| 2017 | 5 | 5 |
| 2018 | 5 | 2 |
| 2019 | 2 | 6 |
| 2020 | 4 | 1 |
| 2021 | 3 | 2 |
| 2022 | 0 | 1 |
| 2023 | 0 | 3 |
| 2024 | 2 | 5 |
| 2025 | 8 | 7 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Castor brake for double swivel castors for cases30 Jun 2026US 12,668,079 B2RIMOWA GmbH
- Cart stabilization system, rolling cart elements and methods of using same26 May 2026US 12,636,928 B2Zimmer, Inc.
- Caster with horizontal braking21 Apr 2026US 12,605,965 B2Benyu Casters & Wheels Co., Ltd
- Locking casters for surgical systems3 Mar 2026US 12,564,460 B2Auris Health, Inc.
- Robot cleaner10 Feb 2026US 12,543,903 B2LG Electronics Inc.
- Apparatus for transporting a payload23 Jul 2026US 2026/0208549 A1Jevons IP Pty Limited
- Locking casters for surgical systems2 Jul 2026US 2026/0183071 A1Auris Health, Inc.
- Caster with horizontal braking10 Jul 2025US 2025/0222719 A1Benyu Casters & Wheels Co., Ltd
- Luggage caster for maintenance and replacement and vertical shaft thereof19 Jun 2025US 2025/0196534 A1
- Caster assembly and parking robot including the same12 Jun 2025US 2025/0188763 A1Hl Mando Corporation
Most cited
By later US patents
- Autonomous surface cleaning robot for wet and dry cleaning295US 7,761,954 B2iRobot Corporation · 2010
- Undercarriage for X-ray diagnostic equipment212US 5,503,416 AOEC Medical Systems, Inc. · 1996
- Caster and braking system158US 6,321,878 B1Hill-Rom Services, Inc. · 2001
- Omnidirectional vehicle with offset wheel pairs128US 6,540,039 B1Massachusetts Institute of Technology · 2003
- Anti-tip wheel106US 6,357,793 B1Sunrise Medical HHG Inc. · 2002