B66C 9/14
Trolley or crane travel drives
Official title: Trolley or crane travel drives (rope, cable, or chain drives for loads or trolleys B66C11/16; control B66C13/18)
B66C9/14 (Trolley or crane travel drives) appears on 54 US grants and 47 published applications in this corpus.
Search patents in B66C- Granted patents
- 54
- Published applications
- 47
- Assignees
- 40
- Inventors
- 146
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 4 |
| 2010 | 2 | 0 |
| 2011 | 1 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 3 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 1 | 3 |
| 2019 | 2 | 3 |
| 2020 | 3 | 4 |
| 2021 | 2 | 3 |
| 2022 | 0 | 5 |
| 2023 | 5 | 3 |
| 2024 | 4 | 5 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Work machine comprising an electric traction drive1 Sep 2026US 12,722,723 B2Liebherr-Werk Nenzing GmbH
- Monorail hoist transportation robot driven by permanent magnet and variable frequency of explosion-proof lithium battery9 Jun 2026US 12,649,644 B2China University of Mining and Technology
- Continuous container crane device28 Oct 2025US 12,454,443 B2
- Overhead traveling vehicle and overhead traveling vehicle fault processing system22 Apr 2025US 12,280,947 B2Changxin Memory Technologies, Inc.
- Lifting mechanism for overhead monorail and overhead monorail17 Sep 2024US 12,091,289 B2Taiyuan University of Technology
- Monorail hoist transportation robot driven by permanent magnet and variable frequency of explosion-proof lithium battery29 Jan 2026US 2026/0028205 A1China University of Mining and Technology
- Driving apparatus for a mobile crane10 Apr 2025US 2025/0115462 A1Liebherr-Werk Ehingen GmbH
- Braking system for a rail-mounted traveling unit of a transfer vehicle21 Nov 2024US 2024/0383456 A1DELLNER BUBENZER Germany GmbH
- Positioning system for a lifting apparatus and method of use30 May 2024US 2024/0175159 A1Alumatiq AS
- Work machine comprising an electric traction drive21 Mar 2024US 2024/0092436 A1Liebherr-Werk Nenzing GmbH
Most cited
By later US patents
- Traveling gantry27US 4,200,162 A1980
- Biased traveling crane drive20US 4,318,346 A1982
- Universal traversing assembly for legs of cranes or the like15US 6,554,145 B1Fantuzzi-Reggiane S.p.A. · 2003
- Steerable power drive for gantry crane14US 4,927,034 A1990
- Traversing gear arrangement for a crane moving on rubber tired wheels or the like13US 5,735,416 AKCI Konecranes International PLC · 1998