B66C 13/32
For operating grab bucket hoists by means of one or more electric
Official title: for operating grab bucket hoists by means of one or more electric motors used both for hosting and lowering the loads and for opening and closing the bucket jaws (other aspects or rope, cable, or chain winding mechanisms specially adapted for actuating grab buckets B66D1/62)
B66C13/32 (For operating grab bucket hoists by means of one or more electric) appears on 8 US grants and 5 published applications in this corpus.
Search patents in B66C- Granted patents
- 8
- Published applications
- 5
- Assignees
- 9
- Inventors
- 16
- Latest grant
- 15 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Control unit and method for operating a conveying means15 Apr 2025US 12,275,622 B2Johannes Huebner Fabrik Elektrischer Maschinen GmbH
- Controlling system console for electric hoists and controlling system with the same13 Sep 2022US 11,440,777 B2Shanghai Huiyan Intelligence Technology Co., Ltd.
- Fill degree control for a bulk material gripper of a crane7 Apr 2020US 10,611,606 B2Konecranes Global Corporation
- Gripper device and hoisting device for a trash rake cleaner, trash rake cleaner and method therefor12 Dec 2017US 9,840,821 B2Cerberus Termunterzijl Beheer B.V.
- Method and apparatus for controlling a bucket hoist16 May 2017US 9,650,231 B2MagneTek, Inc.
- Control unit and method for operating a conveying means22 Sep 2022US 2022/0297985 A1Johannes Huebner Fabrik Elektrischer Maschinen GmbH
- Controlling system console for electric hoists and controlling system with the same12 Dec 2019US 2019/0375616 A1Shanghai Huiyan Intelligence Technology Co., Ltd.
- Fill degree control for a bulk material gripper of a crane15 Jun 2017US 2017/0166421 A1Terex MHPS GmbH
- Gripper device and hoisting device for a trash rake cleaner, trash rake cleaner and method therefor7 Jul 2016US 2016/0194845 A1CEerberus Ternunterzijl Beheer B.V.
- Method and apparatus for controlling a bucket hoist13 Nov 2014US 2014/0333232 A1MagneTek, Inc.
Most cited
By later US patents
- Crane claw tilt sensing and recovery36US 5,358,219 A1994
- Grab bucket suspended from hoisting installation25US 4,364,704 AMannesmann Demag AG · 1982
- Hoist drive and method for driving a double hoist carrying apparatus17US 5,167,401 AHarnischfeger Corporation · 1992
- Method and apparatus for controlling a bucket hoist8US 9,650,231 B2MagneTek, Inc. · 2017