B62B 2301/254
By using roller-shaped wheels
Official title: by using roller-shaped wheels
B62B2301/254 (By using roller-shaped wheels) appears on 66 US grants and 61 published applications in this corpus.
Search patents in B62B- Granted patents
- 66
- Published applications
- 61
- Assignees
- 31
- Inventors
- 127
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 6 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 2 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 3 | 2 |
| 2016 | 3 | 4 |
| 2017 | 0 | 5 |
| 2018 | 3 | 9 |
| 2019 | 7 | 3 |
| 2020 | 7 | 3 |
| 2021 | 4 | 1 |
| 2022 | 2 | 6 |
| 2023 | 5 | 5 |
| 2024 | 2 | 5 |
| 2025 | 4 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Folding cart15 Sep 2026US 12,735,084 B2Jinhua Mutao Leisure Products Co., Ltd.
- Transport assist equipment and bed26 May 2026US 12,637,128 B2Koyo Machine Industries Co., Ltd.
- Storage transport apparatus5 May 2026US 12,617,441 B2
- Nested lift-and-steer support wheels10 Mar 2026US 12,570,342 B2
- Pram frame with roller set21 Oct 2025US 12,448,020 B2Area 52 Ltd
- Roller Wagon Device30 Apr 2026US 2026/0116449 A1
- Folding cart19 Jun 2025US 2025/0196902 A1Jinhua Mutao Leisure Products Co., Ltd.
- Electrified Hydraulic Lift Table1 May 2025US 2025/0136162 A1
- Product Delivery, Transport, and Storage Apparatuses13 Mar 2025US 2025/0083727 A1
- Nested lift-and-steer support wheels19 Dec 2024US 2024/0416986 A1
Most cited
By later US patents