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APEX VALVES LTD

Overview
  • Total Patents
    42
  • GoodIP Patent Rank
    215,162
About

APEX VALVES LTD has a total of 42 patent applications. Its first patent ever was published in 1989. It filed its patents most often in New Zealand, Australia and South Africa. Its main competitors in its focus markets mechanical elements, environmental technology and machines are POSI SEAL INTERNATIONAL, SISTAG AG ABSPERRTECHNIK and KITAMURA VALVE MFG CO LTD.

Patent filings in countries

World map showing APEX VALVES LTDs patent filings in countries

Patent filings per year

Chart showing APEX VALVES LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Crichton David Gordon Arthur 27
#2 Hirzel Alfred 9
#3 Weir Philip Michael 5
#4 Gracie Bevan 3
#5 Arthur Crichton David Gordon 2
#6 Pitout John Andre 2
#7 Kyed Wermuth Sandager 1
#8 Andre Pitout John 1
#9 Bevan Gracie 1
#10 Gracie Alan 1

Latest patents

Publication Filing date Title
AU2019226991A1 Sealing arrangement
AU2013273691A1 Excess Pressure Safety Relief Valve
AU2013201128A1 Improved liquid control valve
WO2013129943A1 A liquid control valve
NZ619186A Excess pressure safety relief valve
NZ595205A Float valve for a watering trough, the outlet having a connector which allows releasable coupling of a conduit
AU2012216270A1 Liquid control valve
NZ612334A Adaptor bush
NZ612633A Float valve outlet connector
NZ611126A A liquid control valve
NZ595427A A pressure control valve
ZA201102386B Liquid temperature and pressure relief valve
NZ580965A Liquid control valve with actuator, typically float arm that moves combined bleed and vent element to open valve, and with inlet pressure seating diaphragm to close valve
NZ577660A Pressure limiting valve with dual back to back valve elements
NZ569558A Mounting device for a water tank level indicator, having an adjustable angle clamping sleeve
NZ562340A A liquid pressure limiting valve
AU2007205772A1 Liquid level control valve
ZA200609432B Liquid level control valve
NZ535912A Pressurised liquid control valve
NZ517764A Liquid tempering valve with control piston within diverter displaceable by temperature activation sensor