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:
Jul. 01, 1980
Filed:
Jul. 17, 1978
Applicant:
Inventors:
Irwin Ginsburgh, Morton Grove, IL (US);
John D McCollum, Naperville, IL (US);
Assignee:
Standard Oil Company (Indiana), Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
G01V / ;
U.S. Cl.
CPC ...
324323 ; 324 / ;
Abstract
Disclosed is a method for detecting the flame front during the in situ combustion of a subterranean carbonaceous stratum which involves providing at least one multi-turn coil of wire on the surface of the ground electrically connected into one or more circuits in which an electrical resonance condition is established, and monitoring the change in impedance in one or more of said circuits as an indication of the extent and movement of said flame front.
Ginsburgh, Irwin. (1980). Induction coil method for detecting underground flame fronts (U.S. Patent No. 4210867). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4210867
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile