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:
Feb. 05, 2019
Filed:
Jan. 19, 2018
Applicant:
Trs Group, Inc., Longview, WA (US);
Inventors:
Daniel Oberle, Sylvania, OH (US);
Gregory L. Beyke, Franklin, TN (US);
Collin O'Brien, Sylvania, OH (US);
Jacob Seeman, Reno, NV (US);
Emily Crownover, Weldon Spring, MO (US);
Assignee:
TRS Group, Inc., Longview, WA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B09C 1/06 (2006.01); E02D 3/11 (2006.01); H05B 3/54 (2006.01); E21B 36/04 (2006.01); E21B 43/28 (2006.01);
U.S. Cl.
CPC ...
H05B 3/54 (2013.01); B09C 1/062 (2013.01); E02D 3/11 (2013.01); E21B 36/04 (2013.01); E21B 43/281 (2013.01);
Abstract
A heater having a helical electrical resistance heating wire connected to and coiled around a current return wire. The heater is employed in thermal conduction heater wells used for removing contaminants from soil, groundwater or rock.