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Proserv Operations, Inc.

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Records under this name other than patents Proserv Operations, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 8,286,713Oil and Gas Well Completion System and Method of Installation
Formerly held
In force (reinstated)
 · High confidence
In force (reinstated)High confidence
US 9,423,031Key Seal and Valve
Formerly held
In force
 · High confidence
In forceHigh confidence
US 10,364,893Key Seal and Valve
Formerly held
In force
 · High confidence
In forceHigh confidence
US 10,584,561Dirty Fluid Pressure Regulator and Control Valve
Formerly held
In force
 · High confidence
In forceHigh confidence
US 9,719,600Hard Swap Shuttle Valve
Formerly held
In force
 · High confidence
In forceHigh confidence
US 9,657,850High Performance Subsea Pressure Regulator
Formerly held
In force
 · High confidence
In forceHigh confidence
US 9,915,275Stacked Shuttle Valve
Formerly held
In force
 · High confidence
In forceHigh confidence
US 10,196,877Modular Directional Control Valve
Formerly held
In force
 · High confidence
In forceHigh confidence
US 9,880,566Dynamic Variable Orifice
Formerly held
In force
 · High confidence
In forceHigh confidence
US 10,133,282Shuttle Valve with Durable Soft Seal
Formerly held
In force
 · High confidence
In forceHigh confidence
10 of 49 patents shown.
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