B66C 23/12
With means for automatically varying the effective length of the hoisting rope
Official title: with means for automatically varying the effective length of the hoisting rope or cable
B66C23/12 (With means for automatically varying the effective length of the hoisting rope) appears on 5 US grants and 7 published applications in this corpus.
Search patents in B66C- Granted patents
- 5
- Published applications
- 7
- Assignees
- 6
- Inventors
- 23
- Latest grant
- 16 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 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 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Crane extension and installation device to achieve bidirectional tension control and method for achieving bidirectional tension control crane16 Jul 2024US 12,037,224 B2Dalian University of Technology
- Crane6 Sep 2022US 11,434,113 B2Tadano Ltd.
- Method for reducing dynamic loads of cranes11 Dec 2018US 10,150,653 B2National Oilwell Varco Norway AS
- Hoisting assembly9 Dec 2014US 8,905,381 B2Heerema Marine Contractors Nederland B.V.
- Integrated and automated control of a crane's rider block tagline system21 Mar 2000US 6,039,193 AThe United States of America as represented by the Secretary of the Navy
- Control circuitry for a crane, crane, winch arrangement for a crane, remote control unit for a crane and method to operate a crane4 Sep 2025US 2025/0276877 A1
- Crane control method and crane8 May 2025US 2025/0145425 A1Kobelco Construction Machinery Co., Ltd.
- Crane extension and installation device to achieve bidirectional tension control and method for achieving bidirectional tension control crane2 Dec 2021US 2021/0371253 A1Dalian University of Technology
- Crane22 Jul 2021US 2021/0221655 A1Tadano Ltd.
- Method for reducing dynamic loads of cranes7 Jul 2016US 2016/0194183 A1National Oilwell Varco Norway AS
Most cited
By later US patents
- Method for reducing dynamic loads of cranes12US 10,150,653 B2National Oilwell Varco Norway AS · 2018
- Integrated and automated control of a crane's rider block tagline system10US 6,039,193 AThe United States of America as represented by the Secretary of the Navy · 2000
- Crane1US 11,434,113 B2Tadano Ltd. · 2022
- Hoisting assembly1US 8,905,381 B2Heerema Marine Contractors Nederland B.V. · 2014