B66C 15/04
Safety gear: for preventing collisions
Official title: for preventing collisions, e.g. between cranes or trolleys operating on the same track
B66C15/04 (Safety gear: for preventing collisions) appears on 95 US grants and 114 published applications in this corpus.
Search patents in B66C- Granted patents
- 95
- Published applications
- 114
- Assignees
- 79
- Inventors
- 245
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 2 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 2 |
| 2006 | 1 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 3 |
| 2009 | 1 | 1 |
| 2010 | 0 | 3 |
| 2011 | 0 | 4 |
| 2012 | 0 | 1 |
| 2013 | 4 | 6 |
| 2014 | 3 | 6 |
| 2015 | 5 | 5 |
| 2016 | 10 | 6 |
| 2017 | 2 | 3 |
| 2018 | 6 | 8 |
| 2019 | 1 | 11 |
| 2020 | 5 | 6 |
| 2021 | 7 | 6 |
| 2022 | 8 | 13 |
| 2023 | 9 | 7 |
| 2024 | 6 | 5 |
| 2025 | 4 | 7 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System for managing work modes of a mobile crane on a work site25 Aug 2026US 12,715,743 B2Amcs Technologies
- Assembly for detecting collision risks when moving a load and corresponding moving method21 Jul 2026US 12,686,598 B2Framatome
- Automatic hoisting and transporting method for tower crane6 Jan 2026US 12,515,923 B2Guangzhou Construction Engineering Co., Ltd.
- Work machine and method for controlling work machine28 Oct 2025US 12,454,444 B2Kobelco Construction Machinery Co., Ltd.
- OHT vehicle traction device and method for recoverying malfunctioned vehicle14 Oct 2025US 12,441,374 B2Semes Co., Ltd.
- Path planning method and apparatus, and crane23 Jul 2026US 2026/0209009 A1Xcmg Construction Machinery Co., Ltd. Building Machinery Co.
- Crane arrangement4 Jun 2026US 2026/0152372 A1Hiab AB
- Anti-collision device for construction machines and method for operating several construction machines28 May 2026US 2026/0145918 A1Liebherr-Werk Biberach GmbH
- Overhead hoist transport device and operation method of the same7 May 2026US 2026/0125247 A1Nanya Technology Corporation
- Crane arrangement19 Mar 2026US 2026/0077980 A1Hiab AB
Most cited
By later US patents
- Mobile machine hazardous working zone warning system114US 5,939,986 AThe United States of America as represented by the United States Department of Energy · 1999
- Method for preventing collision of two mutually movable bodies and an apparatus including an arrangement for preventing collision109US 4,578,757 AU. S. Philips Corporation · 1986
- Method and apparatus for enhancing safety within a work zone67US 6,963,278 B22005
- Crane safety devices and methods62US 6,744,372 B12004
- Crane safety devices and methods44US 6,894,621 B22005