Earth-boring tool geometry and associated apparatus and methods
US12392199B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Mar 28, 2023 |
| Grant date | Aug 19, 2025 |
| Priority date | — |
| Expiry date | Apr 21, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B10/22
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An earth-boring tool may include a tool body, at least one blade, and a roller cone pocket defined in the tool body adjacent the at least one blade. A surface of the roller cone pocket may define at least one protruding ridge. The earth-boring tool may further include a roller cone assembly disposed in the pocket. The roller cone assembly may include a plurality of inserts or teeth extending from a surface of the roller cone assembly. The at least one protruding ridge is located between longitudinally adjacent inserts or teeth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.