Patents & Trademarks

Our intellectual property is filed in several countries i.e. Canada, USA, European Community, China and India. This page will be updated as soon as a particular patent is granted or a published number is made available. To know more about our patent details, please contact Analytical Flow Products directly at 1-418-338-0004 or info@afproducts.ca

ROTARY VALVE AND ANALYTICAL CHROMATOGRAPHIC SYSTEM USING THE SAME

  • NETHERLANDS / GERMANY / SWITZERLAND / UNITED KINGDOM Pat. # 1.789.7
  • CANADA Pat. # 2.577.824
  • CHINA Pat. # ZL 200480044192.0
  • UNITED STATES Pat. # 7.503.203

DIAPHRAGM-SEALED VALVE HAVING INTERMEDIATE COMMUNICATION PORTS

  • UNITED STATES Pat # 8.104.506
  • CANADA Pat. # 2.690.617

DIAPHRAGM-SEALED VALVE WITH PROCESS PURGING GROOVE

  • UNITED STATES Pat # 7.931.043
  • CHINA Pat. #ZL 200880126544.5

DIAPHRAGM-SEALED VALVE, ANALYTICAL CHROMATOGRAPHIC SYSTEM AND METHOD USING THE SAME

  • UNITED STATES Pat # 7.216.528
  • CANADA Pat. # 2.631.892 / 2.718.301
  • CHINA Pat. # ZL 200580049422.7 / ZL201010292889.7
  • UNITED KINGDOM / NETHERLANDS / GERMANY Pat. # 1.880.131
  • GERMANY Pat. # 60 2005 043 222.1

TEMPERATURE COMPENSATED VALVE FOR GAS CHROMATOGRAPHY

  • CANADA Pat. # 2.735.807
  • UNITED STATES Pat. # 8.794.594 / 8.851.452
  • UNITED KINGDOM / NETHERLANDS / GERMANY Pat. # 2 331 858
  • GERMANY Pat. # 60 2009 013 543.0

DIAPHRAGM-SEALED VALVE WITH PROCESS PURGING GROOVE & DIAPHRAGM-SEALED VALVE HAVING A LOCKING MECHANISM

  • CHINA Pat. # ZL200880126544.5
  • UNITED STATES OF AMERICA Pat. # 7.931.043 / 8.469.057

CONICAL ROTARY VALVE FOR CHROMATOGRAPHIC APPLICATIONS

  • UNITED STATES Pat. # 9.004.449

IMPROVED FITTING COMPONENT, FERRULE AND NUT

  • CANADA Pat. # 2.770.970
  • UNITED STATES Pat. # 8.573.653

DIAPHRAGM-SEALED VALVE WITH IMPROVED ACTUATOR DESIGN

  • CHINA Pat. # ZL 2013 8 0020318.X
  • UNITED STATES Pat. # 9.377.444
  • JAPAN Pat. # 6101713
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