Product Patents -

Product Patents

Equilibar® back pressure regulators are subject to one or more of the following patents:

Multi-Orifice Back Pressure Regulator (including but not limited to the following series: LF, LV, HxP, HT, GS, NL, B, BD, FD, SD, SC, BR):

US 8,215,336
DE 60322443D1
GB 1639282
FR 1639282
US 11,193,703 B1

Zero Flow (ZF Series) Back Pressure Regulators:

US 9,447,890
EP 2724060

Valve for Single Use Applications

US 20,220,011,030 A1

Other Patents Pending


Equilibar® is a registered US trademark.



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March is here, and that means it’s time to focus on the phenomenal work being done by Equilibar’s research customers. Why March? The tradition began as a spinoff from Equilibar’s March Madness bracket contest.  One year, we thought it would be fun to see how many universities competing in the NCAA Men’s Basketball Tournament were Read More

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