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:
Sep. 20, 2011
Filed:
Dec. 23, 2008
Applicant:
Bohdan Zakiewicz, Santa Monica, CA (US);
Inventor:
Bohdan Zakiewicz, Santa Monica, CA (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F03G 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is a closed loop system of heat recovery in hot dry rock or in water-containing formations for generation of electrical power. Recovery of heat from such formations is accomplished by way of multiple horizontal levels of generally radially drilled bores from a central shaft. Heat transfer is accomplished either by way of terminal end heat exchangers or by way of heat transfer to conduits extending from the central shaft.
Zakiewicz, Bohdan. (2011). Closed loop, hot dry rock heat recovery process (U.S. Patent No. 8020382). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8020382
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