B65G 69/28
Loading ramps
Official title: Loading ramps; Loading docks (as road or railway equipment B61B1/00, E01F1/00)
B65G69/28 (Loading ramps) appears on 733 US grants and 587 published applications in this corpus.
Search patents in B65G- Granted patents
- 733
- Published applications
- 587
- Assignees
- 258
- Inventors
- 958
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 7 | 0 |
| 1978 | 13 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 8 | 0 |
| 1982 | 5 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 14 | 0 |
| 1990 | 15 | 0 |
| 1991 | 10 | 0 |
| 1992 | 13 | 0 |
| 1993 | 3 | 0 |
| 1994 | 17 | 0 |
| 1995 | 16 | 0 |
| 1996 | 15 | 0 |
| 1997 | 11 | 0 |
| 1998 | 15 | 0 |
| 1999 | 9 | 0 |
| 2000 | 15 | 0 |
| 2001 | 13 | 2 |
| 2002 | 17 | 13 |
| 2003 | 10 | 14 |
| 2004 | 16 | 21 |
| 2005 | 14 | 21 |
| 2006 | 18 | 23 |
| 2007 | 17 | 16 |
| 2008 | 13 | 19 |
| 2009 | 12 | 11 |
| 2010 | 9 | 15 |
| 2011 | 15 | 18 |
| 2012 | 12 | 12 |
| 2013 | 22 | 20 |
| 2014 | 21 | 13 |
| 2015 | 21 | 28 |
| 2016 | 19 | 23 |
| 2017 | 26 | 25 |
| 2018 | 19 | 28 |
| 2019 | 21 | 33 |
| 2020 | 31 | 35 |
| 2021 | 16 | 29 |
| 2022 | 24 | 30 |
| 2023 | 20 | 26 |
| 2024 | 19 | 59 |
| 2025 | 39 | 28 |
| 2026 | 29 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Removable delivery-vehicle dock plate6 Oct 2026US 12,753,029 B2Federal Express Corporation
- Ramp assembly kit for a container6 Oct 2026US 12,753,030 B2
- Systems and methods for controlling autonomous vehicle operation based on monitoring of a loading dock22 Sep 2026US 12,741,855 B2Symbotic LLC
- Dock leveler with reinforced lip plate15 Sep 2026US 12,735,283 B2Overhead Door Corporation
- Dock leveler with stowable lift lever8 Sep 2026US 12,729,081 B2Overhead Door Corporation
- Loading dock systems for detecting trailer wheel/suspension system positions and associated methods of manufacture and use1 Oct 2026US 2026/0296812 A1Assa Abloy Entrance Systems AB
- Portable loading and unloading apparatus for mobile vehicles24 Sep 2026US 2026/0285626 A1National Chung Shan Institute of Science and Technology
- Dock controllers and loading dock area management systems and methods27 Aug 2026US 2026/0250085 A1The Chamberlain Group, Inc.
- Target object conveying system and method, docking device, and conveying device6 Aug 2026US 2026/0225803 A1Beijing Geekplus Technology Co., Ltd.
- Foldable ramp assembly30 Jul 2026US 2026/0218518 A1The Landmark Group, Inc. (DBA National Ramp)
Most cited
By later US patents
- Loading dock traffic automation121US 6,812,849 B12004
- Modular ramp84US 5,341,533 A1994
- Alarm system for a loading dock83US 7,380,375 B2Rite-Hite Holding Corporation · 2008
- Dock leveler lift assembly and method for operation77US 4,995,130 ARite-Hite Corporation · 1991
- Master control panel for loading dock equipment77US 6,781,516 B2United Dominion Industries, Inc. · 2004