B66C 9/00
Travelling gear incorporated in or fitted to trolleys or cranes
Official title: Travelling gear incorporated in or fitted to trolleys or cranes ({for floor-to-roof stacking devices B66F9/072}; for dredgers E02F)
B66C9/00 (Travelling gear incorporated in or fitted to trolleys or cranes) appears on 289 US grants and 237 published applications in this corpus.
Search patents in B66C- Granted patents
- 289
- Published applications
- 237
- Assignees
- 178
- Inventors
- 593
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 9 | 0 |
| 2001 | 5 | 2 |
| 2002 | 1 | 6 |
| 2003 | 4 | 1 |
| 2004 | 2 | 3 |
| 2005 | 0 | 2 |
| 2006 | 1 | 8 |
| 2007 | 2 | 7 |
| 2008 | 3 | 7 |
| 2009 | 9 | 13 |
| 2010 | 11 | 3 |
| 2011 | 4 | 14 |
| 2012 | 7 | 4 |
| 2013 | 4 | 9 |
| 2014 | 8 | 7 |
| 2015 | 6 | 12 |
| 2016 | 3 | 7 |
| 2017 | 11 | 12 |
| 2018 | 9 | 13 |
| 2019 | 13 | 17 |
| 2020 | 10 | 17 |
| 2021 | 19 | 16 |
| 2022 | 7 | 23 |
| 2023 | 17 | 11 |
| 2024 | 17 | 17 |
| 2025 | 10 | 5 |
| 2026 | 11 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B66C 9/14Trolley or crane travel drives54
- B66C 9/08Runners47
- B66C 9/02Travelling gear incorporated in or fitted to trolleys or cranes: for underhung42
- B66C 9/10Undercarriages or bogies42
- B66C 9/16Travelling gear incorporated in or fitted to trolleys or cranes: with means42
- B66C 9/18Travelling gear incorporated in or fitted to trolleys or cranes: with means34
- B66C 9/04To facilitate negotiation of curves31
- B66C 9/06Travelling gear incorporated in or fitted to trolleys or cranes: for more9
Recent patents
- Crane with saw attachment mechanism15 Sep 2026US 12,735,301 B2Fascan International, Inc.
- Work machine comprising an electric traction drive1 Sep 2026US 12,722,723 B2Liebherr-Werk Nenzing GmbH
- Overhead hoist transfer system, overhead hoist transfer, moving kit1 Sep 2026US 12,727,431 B2Mirle Automation Corporation
- Leveling system for lift device18 Aug 2026US 12,709,525 B2Oshkosh Corporation
- Mobile crane systems and methods11 Aug 2026US 12,703,405 B2
- 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
- Chargeable hoists, in-rail charging assemblies, subject transport units, and related methods18 Dec 2025US 2025/0382159 A1Liko Research & Development AB
- Method and apparatus for controlling the location of a moveable crane16 Oct 2025US 2025/0320089 A1Morgan Engineering Systems, Inc.
- Multi-tower linkage type aerial hoisting platform22 May 2025US 2025/0162845 A1Wuhan Construction Engineering Group Co., Ltd.
- Driving apparatus for a mobile crane10 Apr 2025US 2025/0115462 A1Liebherr-Werk Ehingen GmbH
Most cited
By later US patents
- Leveling system for lift device134US 9,890,024 B2Oshkosh Corporation · 2018
- Leveling system for lift device109US 10,221,055 B2Oshkosh Corporation · 2019
- Leveling system for lift device102US 10,407,288 B2Oshkosh Corporation · 2019
- Leveling system for lift device65US 10,934,145 B2Oshkosh Corporation · 2021
- Leveling system for lift device59US 11,111,120 B2Oshkosh Corporation · 2021