B66C 11/16
Rope, cable, or chain drives for trolleys
Official title: Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
B66C11/16 (Rope, cable, or chain drives for trolleys) appears on 61 US grants and 47 published applications in this corpus.
Search patents in B66C- Granted patents
- 61
- Published applications
- 47
- Assignees
- 46
- Inventors
- 149
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 1 | 3 |
| 2012 | 3 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 4 |
| 2017 | 0 | 2 |
| 2018 | 3 | 0 |
| 2019 | 1 | 7 |
| 2020 | 4 | 6 |
| 2021 | 4 | 3 |
| 2022 | 5 | 6 |
| 2023 | 2 | 1 |
| 2024 | 3 | 1 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Double-reeved lifting device with an improved pawl-locking mechanism29 Jul 2025US 12,371,308 B2Manitowoc Crane Group France SAS
- Modular crane component system8 Jul 2025US 12,351,437 B2
- Linear motion device4 Feb 2025US 12,215,761 B2Hall Logic, Inc.
- Gantry drive system, motor control system, and control method5 Nov 2024US 12,134,546 B2Kabushiki Kaisha Yaskawa Denki
- Lifting mechanism for overhead monorail and overhead monorail17 Sep 2024US 12,091,289 B2Taiyuan University of Technology
- Differential moving device17 Sep 2026US 2026/0274619 A1Tsubakimoto Chain Co.
- Lift systems and methods25 Dec 2025US 2025/0388435 A1The Boeing Company
- Transferring apparatus5 Jun 2025US 2025/0178870 A1Semes Co., Ltd.
- Tower crane, method and control unit for operating a tower crane, trolley and trolley travel unit1 May 2025US 2025/0136417 A1Wolffkran Holding AG
- Lifting machinery with automated reeving configuration change14 Mar 2024US 2024/0083722 A1Manitowoc Crane Group France SAS
Most cited
By later US patents
- Polar wye crane20US 4,181,231 APaceco Division of Fruehauf Corporation · 1980
- Material handling system20US 4,531,460 ALitton Systems, Inc. · 1985
- Crane apparatus20US 6,345,724 B1Mitsubishi Heavy Industries, Ltd. · 2002
- Control system for rope bucket18US 6,023,862 AKCI Konecranes International PLC · 2000
- Crane equipped with dual trolleys15US 3,994,401 A1976