Dry geothermal drilling and recovery system
US6626249B2 · kind B2 · utility
52Cited by
14References
1Claims
0Family size
Inventor
Key dates
| Filing date | Apr 24, 2001 |
| Grant date | Sep 30, 2003 |
| Priority date | — |
| Expiry date | Oct 2, 2021 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/50
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A geothermal drilling and recovery system comprising a drilling rig having an elevator with a laser and a radar gun mounted on said elevator, a drill pipe, a rotating mirror mounted adjacent the lower end of said drill pipe and means for establishing a vacuum adjacent said lower end of said drill pipe to remove and recover heat and drilling debris therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.