B60B 33/0028
Construction of wheels
Official title: {Construction of wheels; methods of assembling on axle}
B60B33/0028 (Construction of wheels) appears on 345 US grants and 270 published applications in this corpus.
Search patents in B60B- Granted patents
- 345
- Published applications
- 270
- Assignees
- 235
- Inventors
- 593
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 7 | 0 |
| 1979 | 1 | 0 |
| 1980 | 9 | 0 |
| 1981 | 1 | 0 |
| 1982 | 5 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 7 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 9 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 9 | 3 |
| 2002 | 15 | 14 |
| 2003 | 14 | 11 |
| 2004 | 7 | 12 |
| 2005 | 10 | 14 |
| 2006 | 8 | 16 |
| 2007 | 4 | 14 |
| 2008 | 5 | 10 |
| 2009 | 7 | 16 |
| 2010 | 8 | 17 |
| 2011 | 10 | 10 |
| 2012 | 8 | 12 |
| 2013 | 13 | 8 |
| 2014 | 10 | 8 |
| 2015 | 14 | 15 |
| 2016 | 9 | 7 |
| 2017 | 9 | 11 |
| 2018 | 8 | 8 |
| 2019 | 12 | 16 |
| 2020 | 8 | 9 |
| 2021 | 10 | 10 |
| 2022 | 6 | 6 |
| 2023 | 8 | 10 |
| 2024 | 5 | 3 |
| 2025 | 5 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Caster having status indicator light6 Oct 2026US 12,752,572 B2Hill-Rom Services, Inc.
- Autonomous transport vehicle with steering3 Feb 2026US 12,539,715 B2Symbotic LLC
- Luggage caster for maintenance and replacement and vertical shaft thereof14 Oct 2025US 12,441,136 B2
- Driving assembly and transfer device2 Sep 2025US 12,403,723 B2Futaijing Precision Electronics (Yantai) Co., Ltd.
- Shock absorbing luggage wheel1 Apr 2025US 12,263,698 B2Briggs & Riley Travelware LLC
- Tent support tube caster device8 Oct 2026US 2026/0307431 A1Heshan Fengzhida Outdoor Products Co., Ltd
- Cylinder roller wheel device30 Apr 2026US 2026/0116348 A1
- Caster having status indicator light26 Mar 2026US 2026/0084463 A1Hill-Rom Services, Inc.
- Omni wheel and vehicle12 Feb 2026US 2026/0042316 A1Wistron Corporation
- Robotics corner module1 Jan 2026US 2026/0001588 A1Schaeffler Technologies AG & Co. KG
Most cited
By later US patents
- Autonomous surface cleaning robot for wet and dry cleaning295US 7,761,954 B2iRobot Corporation · 2010
- Caster and braking system158US 6,321,878 B1Hill-Rom Services, Inc. · 2001
- Autonomous surface cleaning robot for wet and dry cleaning106US 8,387,193 B2iRobot Corporation · 2013
- Autonomous surface cleaning robot for wet and dry cleaning84US 8,670,866 B2iRobot Corporation · 2014
- Hubless wheel82US 5,419,619 AWear and Tear, Inc. · 1995