The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 27, 2026
Filed:
Jun. 13, 2024
Nabors Drilling Technologies Usa, Inc., Houston, TX (US);
Nabors Drilling Technologies USA, Inc., Houston, TX (US);
Abstract
A top drive that can include a stationary portion, a rotary portion rotationally coupled to the stationary portion, the rotary portion being configured to rotate about a center axis, a drag chain with a first end coupled to the stationary portion and a second end coupled to the rotary portion, a first circular path with a first radius relative to the center axis, and a second circular path with a second radius relative to the center axis, wherein the first radius is different from the second radius, wherein the drag chain comprises a first portion that is disposed along the first circular path and a second portion that is disposed along the second circular path, and wherein a length of the first portion along the first circular path increases or decreases as the rotary portion rotates relative to the stationary portion.