B60B 33/0097
Acting permanently
Official title: {acting permanently, e.g. for increased security on low friction surfaces}
B60B33/0097 (Acting permanently) appears on 7 US grants and 10 published applications in this corpus.
Search patents in B60B- Granted patents
- 7
- Published applications
- 10
- Assignees
- 6
- Inventors
- 21
- Latest grant
- 16 Nov 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Braking and locking system for caster wheels16 Nov 2021US 11,173,747 B2Kids2, Inc.
- Friction wheel for cart16 Apr 2013US 8,418,316 B2Der Sheng Co., Ltd.
- Protective device for castor2 Apr 2013US 8,407,854 B2
- Twin-wheel caster13 Sep 2011US 8,015,664 B2Gross + Froelich GmbH & Co. KG
- Castor for furniture or the like10 Apr 2007US 7,200,895 B2Bruandet SA
- Braking and locking system for caster wheels8 Nov 2018US 2018/0319214 A1Kids II, Inc.
- Friction Wheel for Cart21 Feb 2013US 2013/0042430 A1Der Sheng Co., Ltd.
- Protective Device for Castor5 Apr 2012US 2012/0079681 A1
- Structure of a foot member of a baby mesh bed21 Jan 2010US 2010/0011537 A1
- Twin castor with common wheel movement14 Jan 2010US 2010/0005620 A1Gray Matter (Alpha) Limited
Most cited
By later US patents
- Wheel restraining device for a shopping cart or a portable vehicle42US 5,465,986 A1995
- Wheel assembly15US 5,040,641 A1991
- Braking and locking system for caster wheels4US 11,173,747 B2Kids2, Inc. · 2021
- Castor for furniture or the like4US 7,200,895 B2Bruandet SA · 2007
- Protective device for castor2US 8,407,854 B22013