Quattroflow Products

Ensuring total product containment without abrasion

The Quattroflow® pump's method of operation allows it to gently, safely and securely convey aqueous solutions and biological products that are shear sensitive.

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Quattroflow Markets

Ideal solutions for critical applications

Quattroflow® develops and manufactures quaternary (four-piston) diaphragm pumps specifically designed for critical applications in the biopharma industry.

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Quattroflow Patents

Title Patent Number Region
Diaphragm pump for use in e.g. biotechnology field, has outlet chamber arranged concentrically to inlet chamber, where outlet chamber at its lower area exhibits outlet channel and inlet chamber exhibits centrically arranged inlet channel DE102008035592B4 Germany
Mixer for mixing e.g. air in bioreactor, has central outlet chamber connected with lateral openings to form annular outlet chamber, and pumping intake connected with intake terminal DE102010031860B4 Germany
Membrane Pump EP3327287A1
(in official examination procedure)
Europe
Diaphragm Pump US2018142684A1 United States of America
Membrane Pump JP2018084233A 
(in official examination procedure)
 Japan
Valve Assemblies for a Diaphragm Pump DE102019106370A1 
(in official examination procedure)
Germany
Valve Assemblies for a Diaphragm Pump WO2020182921A1
(in official examination procedure)
World
Spannvorrichtung für eine Vorrichtung zur Förderung von Fluid und Vorrichtung zur Förderung von Fluid  DE102018008037B4  Germany
Clamping device for a device for conveying fluid, and device for conveying fluid WO2020074579A1
(in official examination procedure)
World
Diaphragm Pump  DE102018008036A1
(in official examination procedure)
Germany
Diaphragm Pump WO2020074576A1
(in official examination procedure)
World