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.