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DURO PENTA HOLDINGS PTY LTD

Overview
  • Total Patents
    24
About

DURO PENTA HOLDINGS PTY LTD has a total of 24 patent applications. Its first patent ever was published in 1972. It filed its patents most often in South Africa, France and Australia. Its main competitors in its focus markets machines and civil engineering are MEISTERMATIC AG, I K G KK and ETEX SA.

Patent filings in countries

World map showing DURO PENTA HOLDINGS PTY LTDs patent filings in countries
# Country Total Patents
#1 South Africa 6
#2 France 3
#3 Australia 2
#4 Canada 2
#5 Switzerland 2
#6 United Kingdom 2
#7 Italy 2
#8 United States 2
#9 Germany 1
#10 Spain 1
#11 Netherlands 1

Patent filings per year

Chart showing DURO PENTA HOLDINGS PTY LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Civil engineering

Top inventors

# Name Total Patents
#1 Henfrey Basil 6
#2 Henfrey B 5
#3 Hart Kenneth Roy 3
#4 Hart K 3
#5 Hart Kenneth R 2
#6 Maybery E 1

Latest patents

Publication Filing date Title
ES450416A3 Improvements in/or concerning tubes. (Machine-translation by Google Translate, not legally binding)
US3992503A Method of injection molding pipe
ZA7403527B Improvements in or relating to pipes
ZA7403528B Gully trap
ZA7403526B Improvements in pipe connectors
ZA7305297B Improvements in pipes
US3841101A Gutter couplings
ZA7203353B Improvements in or relating to pipe couplings
IT1030663B Ribbed plastics pipes - made in short lengths fused together end to end
ZA7202898B Improvements in or relating to pipes