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HDC AG

Overview
  • Total Patents
    14
About

HDC AG has a total of 14 patent applications. Its first patent ever was published in 1991. It filed its patents most often in South Africa, China and Germany. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and chemical engineering are TANIEL ROMAN, SP KT B I MASH AN USSR and NEFTECH PTE LTD.

Patent filings in countries

World map showing HDC AGs patent filings in countries
# Country Total Patents
#1 South Africa 3
#2 China 2
#3 Germany 2
#4 Ireland 2
#5 Israel 2
#6 Poland 1
#7 Taiwan 1
#8 United States 1

Patent filings per year

Chart showing HDC AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kessler Alfred 10
#2 Pfaff Gerald 1

Latest patents

Publication Filing date Title
DE19725832C1 Production of diesel-water emulsion for supply to diesel engine, controlling concentration to constant level or as function of speed
IE930049A1 Method and apparatus for preparing a water-in-fuel emulsion
ZA93495B Method and apparatus for preparing a water-in-fuel emulsion
DE4137179A1 Device for producing a water-in-oil emulsion and use of the device on a diesel engine