IP Library › Granted Patent US 684,682
Granted Patent S1
US 684,682 · App. 29/421,989 · Granted Jun 18, 2013

Flare stack burner having spherical valve

Inventors: Dean A. Kovash (Manning, ND); Todd C. Mayer (Dickinson, ND)
Assignee: Steffes Corporation
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Quick Facts
Patent No.
US 684,682
App. No.
29/421,989
Granted
Jun 18, 2013
Kind
S1
Claims (1)

The ornamental design for a flare stack burner having spherical valve, as shown and described.

Assignments (1)
CHANGE OF NAME Recorded Dec 13, 2022
From: STEFFES CORPORATION
To: STEFFES, LLC
Reel/Frame 062069/0136 →
Continuity (1)
Division 29413290 · Feb 14, 2012