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:
Apr. 06, 2021
Filed:
Apr. 02, 2019
Applicant:
Derek Allen, Fairview, MT (US);
Inventor:
Derek Allen, Fairview, MT (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16L 57/04 (2006.01); E21B 43/34 (2006.01); C10G 33/00 (2006.01);
U.S. Cl.
CPC ...
F16L 57/04 (2013.01); C10G 33/00 (2013.01); E21B 43/34 (2013.01); C10G 2300/1033 (2013.01); C10G 2300/201 (2013.01); C10G 2300/4056 (2013.01); C10G 2300/4075 (2013.01);
Abstract
Described are direct flame impingement shields for fire tubes in heater treaters which reduce corrosion of the fire tubes. The direct flame impingement shield is removable and replaceable. The direct flame impingement shield may be formed from a variety of types of stainless steel or other corrosion resistant material.