Flare stack burner assembly
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Description
The broken lines in the drawing represent environmental subject matter and form no part of the claim.
The flare stack burner assembly comprises a high pressure flare stack burner, a low pressure flare stack burner having a spherical valve and a central pilot.
Claims
The ornamental design for a flare stack burner assembly, as shown and described.
Referenced Cited
U.S. Patent Documents
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Patent History
Patent number: D671204
Type: Grant
Filed: Feb 14, 2012
Date of Patent: Nov 20, 2012
Assignee: Steffes Corporation (Dickinson, ND)
Inventors: Dean A. Kovash (Manning, ND), Todd C. Mayer (Dickinson, ND)
Primary Examiner: Karen S Acker
Attorney: Westman, Champlin & Kelly, P.A.
Application Number: 29/413,290
Type: Grant
Filed: Feb 14, 2012
Date of Patent: Nov 20, 2012
Assignee: Steffes Corporation (Dickinson, ND)
Inventors: Dean A. Kovash (Manning, ND), Todd C. Mayer (Dickinson, ND)
Primary Examiner: Karen S Acker
Attorney: Westman, Champlin & Kelly, P.A.
Application Number: 29/413,290
Classifications
Current U.S. Class:
Burner Or Heater Coil (D23/415)