NCS Multistage Patent Information

The following products offered for sale by NCS Multistage are covered by one or more claims of patents and/or patents pending in the U.S. This webpage provides virtual patent marking notice under 35 U.S.C. §287(a). Click patent number to view patent.

AirLock® casing buoyancy system
® Registered Trademark of NCS Multistage LLC
US 9,593,542
US 10,465,445
Further applications pending.

Last updated November 5, 2019