B60B 33/0047
Castors in general: characterised by details of the rolling axle
Official title: {characterised by details of the rolling axle}
B60B33/0047 (Castors in general: characterised by details of the rolling axle) appears on 701 US grants and 601 published applications in this corpus.
Search patents in B60B- Granted patents
- 701
- Published applications
- 601
- Assignees
- 404
- Inventors
- 1,112
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 11 | 0 |
| 1992 | 14 | 0 |
| 1993 | 15 | 0 |
| 1994 | 19 | 0 |
| 1995 | 8 | 0 |
| 1996 | 19 | 0 |
| 1997 | 15 | 0 |
| 1998 | 24 | 0 |
| 1999 | 24 | 0 |
| 2000 | 17 | 0 |
| 2001 | 25 | 11 |
| 2002 | 27 | 29 |
| 2003 | 32 | 40 |
| 2004 | 24 | 48 |
| 2005 | 32 | 31 |
| 2006 | 17 | 31 |
| 2007 | 19 | 31 |
| 2008 | 17 | 33 |
| 2009 | 21 | 36 |
| 2010 | 16 | 33 |
| 2011 | 28 | 36 |
| 2012 | 22 | 22 |
| 2013 | 33 | 28 |
| 2014 | 32 | 20 |
| 2015 | 22 | 19 |
| 2016 | 18 | 15 |
| 2017 | 15 | 21 |
| 2018 | 18 | 11 |
| 2019 | 15 | 21 |
| 2020 | 13 | 11 |
| 2021 | 15 | 20 |
| 2022 | 10 | 8 |
| 2023 | 11 | 7 |
| 2024 | 13 | 12 |
| 2025 | 10 | 18 |
| 2026 | 7 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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
- Apparatus for spring centered caster wheel14 Apr 2026US 12,600,170 B2DEKA Products Limited Partnership
- Locking casters for surgical systems3 Mar 2026US 12,564,460 B2Auris Health, Inc.
- Tent support tube caster device8 Oct 2026US 2026/0307431 A1Heshan Fengzhida Outdoor Products Co., Ltd
- Apparatus for spring centered caster wheel8 Oct 2026US 2026/0307432 A1DEKA Products Limited Partnership
- Caster with Single Direction Automatic Alignment30 Jul 2026US 2026/0217056 A1
- Caster with a running wheel having an axis of rotation and a running surface9 Jul 2026US 2026/0192599 A1TENTE GmbH & Co. KG
- Locking casters for surgical systems2 Jul 2026US 2026/0183071 A1Auris Health, Inc.
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
- Omnidirectional drive system159US 4,519,466 AEiko Shiraishi · 1985
- 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