3 patents
Design
Oilfield frac pump
6 Dec 22
Roy Aune, Jeffrey Brian Rother, Kevin Thomas Hufnagel
Filed: 4 Mar 19
Design
Oilfield blending unit
28 Sep 21
Roy Aune, Jeffrey Brian Rother, Kevin Thomas Hufnagel
Filed: 4 Aug 17
Design
Oilfield hydration unit
18 May 20
Roy Aune, Jeffrey Brian Rother, Kevin Thomas Hufnagel
Filed: 14 Mar 19
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