B62B 2301/256
By using endless belts
Official title: by using endless belts
B62B2301/256 (By using endless belts) appears on 86 US grants and 81 published applications in this corpus.
Search patents in B62B- Granted patents
- 86
- Published applications
- 81
- Assignees
- 34
- Inventors
- 187
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 3 |
| 2005 | 1 | 0 |
| 2006 | 0 | 4 |
| 2007 | 0 | 5 |
| 2008 | 3 | 1 |
| 2009 | 3 | 3 |
| 2010 | 0 | 4 |
| 2011 | 5 | 4 |
| 2012 | 1 | 0 |
| 2013 | 3 | 3 |
| 2014 | 2 | 4 |
| 2015 | 1 | 2 |
| 2016 | 1 | 3 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 1 | 4 |
| 2020 | 5 | 3 |
| 2021 | 1 | 6 |
| 2022 | 4 | 7 |
| 2023 | 3 | 6 |
| 2024 | 5 | 7 |
| 2025 | 5 | 2 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Self-propelled stair climber21 Apr 2026US 12,606,228 B2
- Single-operator multi-function foldable transporter24 Mar 2026US 12,583,497 B2
- Stair navigator with hydraulic brake3 Mar 2026US 12,565,252 B2Magline, Inc.
- Crawler unit and trolley for bad road using the same24 Feb 2026US 12,559,184 B2Yazaki Kako Corporation
- Delivery systems for ramps or stairs15 Jan 2026US 2026/0015023 A1Rehrig Pacific Company
- Transportable machine including a track system4 Dec 2025US 2025/0367714 A1Milwaukee Electric Tool Corporation
- Motorized mobile fuel transfer caddy16 Jan 2025US 2025/0018852 A1
- Motorized Dolly for Heavy Loads and Method for Moving Natural and Engineered Stone Slabs1 Aug 2024US 2024/0253682 A1Vangura Kitchen Tops, Inc.
- Control method for stair climber18 Jul 2024US 2024/0239395 A1
Most cited
By later US patents
- Variable configuration track laying vehicle204US 4,483,407 AHitachi, Ltd. · 1984
- Walker apparatus with left and right foot belts112US 5,538,489 A1996
- Stair-climbing apparatus for wheelchair78US 4,556,229 AKleindienst GmbH · 1985
- Multiple-belt conveying apparatus with flat top surface65US 5,411,279 A1995
- Medical transport device60US 5,868,403 A1999