US Patent 11,236,833 – Diaphragm Valve with Plastic Diaphragm
US Patent 8,708,308 – Sealing Arrangement for a Diaphragm Valve
US Patent 9,016,307 – Quick Connect, Post Energized Flanged Joint for Diaphragm Valves
US Patent 9,234,718 – Spherical-Shaped Valve Body and Diaphragm Contact Surface
US Patent 9,366,346 – Hourglass diaphragm studs
US-Patent 9,322,482 – Temperature Compensating Flanged Joint for a Diaphragm Valve
US-Patent 9,046,180 – Diaphragm and Backing Cushion Shaping for Increased Membrane Life
US Patent 9,709,189 – Position Locking Feature of Multi-Turn Rotational Device
US Patent 11,668,403 – Transition Pressure Ring
US Patent 11,614,178 – Diaphragm Assembly
European Patent EP2416038B1 – Sealing arrangement for a diaphragm valve. Applicable in Germany, UK, Ireland, France, Switzerland and additional EU countries)
European Patent EP2875266B1 – Quick connect, post energized flanged joint for a diaphragm valve. Applicable in Germany, UK, Ireland, France, Switzerland and additional EU countries)
European Patent EP2875267B1 – Temperature Compensating flanged joint for a diaphragm valve. Applicable in Germany, UK, Ireland, France, Switzerland and additional EU countries)
European Patent EP2913568B1 – Valve having at least one hourglass stud for coupling todiaphragm and compressor/spindle components. Applicable in Germany, UK, Ireland, France, Switzerland and additional EU countries)
European Patent EP2913572B1 – Final position locking feature of multi-turn rotational device. Applicable in Germany, UK, Ireland, France, Switzerland and additional EU countries)