B61D 47/00
Loading or unloading devices combined with vehicles
Official title: Loading or unloading devices combined with vehicles, e.g. loading platforms, {doors convertible into loading and unloading ramps}(combined with vehicles in general B60P)
B61D47/00 (Loading or unloading devices combined with vehicles) appears on 225 US grants and 170 published applications in this corpus.
Search patents in B61D- Granted patents
- 225
- Published applications
- 170
- Assignees
- 137
- Inventors
- 409
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 7 | 2 |
| 2003 | 7 | 4 |
| 2004 | 3 | 6 |
| 2005 | 4 | 6 |
| 2006 | 2 | 2 |
| 2007 | 3 | 4 |
| 2008 | 4 | 8 |
| 2009 | 1 | 4 |
| 2010 | 2 | 8 |
| 2011 | 3 | 4 |
| 2012 | 6 | 10 |
| 2013 | 8 | 12 |
| 2014 | 9 | 9 |
| 2015 | 6 | 5 |
| 2016 | 7 | 6 |
| 2017 | 5 | 6 |
| 2018 | 8 | 12 |
| 2019 | 6 | 8 |
| 2020 | 10 | 11 |
| 2021 | 9 | 13 |
| 2022 | 5 | 8 |
| 2023 | 8 | 8 |
| 2024 | 7 | 6 |
| 2025 | 4 | 4 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Descending mechanised access ramp (D-MAR)14 Jul 2026US 12,678,352 B2Mircea Eugen Virgil Cociuban The Trustee for Rofraus Trust
- Platform traversal system and method2 Jun 2026US 12,643,578 B2Transportation IP Holdings, LLC
- Goods wagon for transporting goods and basin for such a goods wagon17 Mar 2026US 12,576,892 B2
- Processing system and method for performing track work26 Aug 2025US 12,398,518 B2Robel Bahnbaumaschinen GmbH
- Intermodal transportation system19 Aug 2025US 12,391,290 B2
- Bogie unit and assembly method of bogie unit30 Jul 2026US 2026/0217068 A1Sumitomo Heavy Industries, Ltd.
- Intermodal Transportation System16 Jul 2026US 2026/0200507 A1
- Hydraulic mechanical ramp for rail cart14 May 2026US 2026/0131833 A1Total Truck & Machine LLC
- Vehicle transporting system5 Feb 2026US 2026/0035021 A1Aeridu, LLC
- Transport vehicle4 Sep 2025US 2025/0276880 A1Panasonic Intellectual Property Corporation of America
Most cited
By later US patents
- Luggage rack for vehicles84US 5,029,740 A1991
- Automatic mechanized system for the storage of objects84US 5,718,551 A1998
- Gondola carriage assembly59US 8,393,846 B1B & B Metals, Inc. · 2013
- Control system for integral trains54US 4,652,057 AGeneral Signal Corporation · 1987
- Delivery vehicle with elevator assemblies for multi-tier storage of cargo54US 5,915,913 A1999