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:
Nov. 25, 2025
Filed:
Oct. 18, 2022
Applicant:
Massachusetts Institute of Technology, Cambridge, MA (US);
Inventor:
Paul P. Woskov, Bedford, MA (US);
Assignee:
Massachusetts Institute of Technology, Cambridge, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/135 (2012.01); E21B 7/15 (2006.01); E21B 45/00 (2006.01); E21B 47/04 (2012.01); E21B 47/07 (2012.01); G01S 13/10 (2006.01); G01S 13/32 (2006.01);
U.S. Cl.
CPC ...
E21B 47/135 (2020.05); E21B 7/15 (2013.01); E21B 45/00 (2013.01); E21B 47/04 (2013.01); E21B 47/07 (2020.05); G01S 13/10 (2013.01); G01S 13/32 (2013.01);
Abstract
Apparatus and methods are described for drilling deep boreholes with millimeter-wave radiation in earthen materials to access deep resources such as geothermal heat. Borehole depth and temperature at the bottom of the borehole can be monitored with probe signals and/or radiative emission from the bottom of the borehole.