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DEUTSCHE ERDOEL AG

Overview
  • Total Patents
    414
About

DEUTSCHE ERDOEL AG has a total of 414 patent applications. Its first patent ever was published in 1916. It filed its patents most often in Germany, France and United Kingdom. Its main competitors in its focus markets basic materials chemistry, civil engineering and organic fine chemistry are ENEOS CORP, OHIO OIL COMPANY and PURE OIL CO.

Patent filings in countries

World map showing DEUTSCHE ERDOEL AGs patent filings in countries
# Country Total Patents
#1 Germany 178
#2 France 75
#3 United Kingdom 59
#4 United States 28
#5 Austria 27
#6 Canada 23
#7 Switzerland 12
#8 Denmark 4
#9 Spain 3
#10 Finland 2
#11 Greece 1
#12 Norway 1
#13 Sweden 1

Patent filings per year

Chart showing DEUTSCHE ERDOEL AGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lange Hans 21
#2 Fischer Dr Karl A 19
#3 Hans Lange 13
#4 Gedenk Rudolf 13
#5 Brandt Dr Eduard 11
#6 Fischer Karl A 11
#7 Schmid Christoph 10
#8 Schick Dr Friedrich 9
#9 Pilgram Kurt 7
#10 Weingaertner Ernst 7

Latest patents

Publication Filing date Title
DE1926240A1 In-situ combustion for bituminous deposits - to reduce deposit viscosity and re-initiate flow
DE1922642A1 Platinum/cadmium catalyst for prepn of n- - olefins
DE1918841A1 Power cables with internal channels
DE1917663A1 Stuffing box packing consisting of parts
DE1812782A1 Simultaneous prepn of 1,3-dimethyl-5-isopropy - lbenzene and 1,2,4,5-tetraalkyl benzenes
DE1812781A1 Process for the preparation of 1,3-dimethyl-5-isopropylbenzene
GB1209501A Ester lubricating oils
DE1301784B Combination bit for plastic rock
US3456730A Process and apparatus for the production of bitumens from underground deposits having vertical burning front
DE1558966A1 Procedure for shutting off the water cone in petroleum production probes
US3473610A Process for obtaining bitumens from underground deposits
GB1156252A Apparatus for Applying Plastic Sealing Materials to Foundations to be Sealed
DE1618279A1 Process for the production of acrolein
GB1126508A Wax composition
DE1618266A1 Process for the preparation of 1,2,4-trimethyl-5-isopropylbenzene
DE1483811A1 Device for quick connection and loosening of the driving rod and drill rods in flat drilling devices
DE1568415A1 Process for the purification of synthetically produced primary monoalcohols
DE1248587B Conveyor device for underground storage
DE1634316A1 Anchor body for injection anchor
US3551135A Asphalt containing fatty alcohols as plant root growth retardants