IP Library › Granted Patent US 687,125
Granted Patent S1
US 687,125 · App. 29/399,897 · Granted Jul 30, 2013

Fluid end

Inventors: John E. Hawes (Southlake, TX); Mark D. Matzner (Burleson, TX)
Assignee: S.P.M. Flow Control, Inc.
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Quick Facts
Patent No.
US 687,125
App. No.
29/399,897
Granted
Jul 30, 2013
Kind
S1
Claims (1)

The ornamental design for a fluid end, as shown.

Assignments (3)
CHANGE OF NAME Recorded Mar 9, 2023
From: S.P.M. FLOW CONTROL, INC.
To: SPM OIL & GAS INC.
Reel/Frame 063024/0742 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 19, 2011
From: HAWES, JOHN E.
To: S.P.M. FLOW CONTROL, INC.
Reel/Frame 026780/0165 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 19, 2011
From: MATZNER, MARK D.
To: S.P.M. FLOW CONTROL, INC.
Reel/Frame 026780/0252 →