B66D 1/82
For slewing and hoisting by means of derricks
Official title: for slewing and hoisting by means of derricks
B66D1/82 (For slewing and hoisting by means of derricks) appears on 9 US grants and 8 published applications in this corpus.
Search patents in B66D- Granted patents
- 9
- Published applications
- 8
- Assignees
- 8
- Inventors
- 18
- Latest grant
- 12 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 1 | 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 | 1 |
| 2016 | 1 | 2 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 3 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 1 | 1 |
By publication year.
Recent patents
- Apparatus and method for cable-driven robotics12 Mar 2024US 11,926,051 B2
- Top-mounted hoist for use in a derrick or drilling mast of an oil and gas rig24 Aug 2021US 11,097,929 B2Schlumberger Technology Corporation
- Motor assembly for drawworks systems and methods17 Dec 2019US 10,508,715 B2Cameron International Corporation
- Headlock lift10 Dec 2019US 10,499,613 B1
- Brake, shear and cable management system and method6 Aug 2019US 10,370,910 B2Absolute Oilfield Equipment, LLC
- Apparatus and method for cable-driven robotics17 Oct 2024US 2024/0342896 A1
- Apparatus and method for cable-driven robotics9 Sep 2021US 2021/0276177 A1
- Top-Mounted Hoist for Use in A Derrick or Drilling Mast of An Oil and Gas Rig17 Sep 2020US 2020/0290850 A1Cameron International Corporation
- Motor assembly for drawworks systems and methods6 Sep 2018US 2018/0252299 A1Cameron International Corporation
- Brake, shear and cable management system and method20 Oct 2016US 2016/0305199 A1Absolute Oilfield Equipment, LLC
Most cited
By later US patents
- Brake, shear and cable management system and method4US 9,376,294 B2Absolute Oilfield Equipment, LLC · 2016
- Hydraulic control arrangement for operating a winch with easing, hoisting and mooring modes3US 6,571,553 B1Bosch Rexroth AG · 2003
- Direct drive drawworks with bearingless motor2US 10,150,659 B2Nabors Drilling Technologies USA, Inc. · 2018
- Headlock lift1US 10,499,613 B12019