Electric top drive
US12312917B2 · kind B2 · utility
0Cited by
8References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2022 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Mar 15, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/164
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A top drive that can include a main body portion having a quill that is rotatable relative to the main body portion, a rotary portion that rotates relative to the main body portion and relative to the quill, and a component coupled to the rotary portion, wherein the component rotates with the rotary portion, and wherein the component is electrically actuated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.