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DODUCO KG DR. EUGEN DURRWACHTER
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D-753 PFORZHEIM, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Thin, Planar shaped carrier with wiegand wires
Patent number
4,965,689
Issue date
Oct 23, 1990
Doduco KG Dr. Eugen Durrwachter
Norbert Normann
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Magnetic instrument for reading telegraphic signals
Patent number
4,862,303
Issue date
Aug 29, 1989
Doduco KG Dr. Eugen Durrwachter
Norbert Normann
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Material for electric contacts having arc-quenching properties
Patent number
4,778,958
Issue date
Oct 18, 1988
Doduco KG Dr. Eugen Durrwachter
Ursula Mayer
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process for the production of tri-metallic contact rivets
Patent number
4,744,502
Issue date
May 17, 1988
Dr. Eugen Durrwachter Doduco KG
Erwin Bollian
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Electric power circuit breaker
Patent number
4,644,118
Issue date
Feb 17, 1987
Doduco KG Dr. Eugen Durrwachter
Bruno Gengenbach
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Magnetic field sensor comprising Wiegand wires or similar bistable...
Patent number
4,639,670
Issue date
Jan 27, 1987
Doduco KG Dr. Eugen Durrwachter
Norbert Normann
G01 - MEASURING TESTING
Information
Patent Grant
Reading head for the magnetic scanning of elongate bistable magneti...
Patent number
4,635,227
Issue date
Jan 6, 1987
Doduco KG Dr. Eugen Durrwachter
Norbert Normann
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Process of manufacturing a catalyst for purifying the exhaust gases...
Patent number
4,624,941
Issue date
Nov 25, 1986
Doduco KG Dr. Eugen Durrwachter
Malte Berndt
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Electrical switching element
Patent number
4,594,489
Issue date
Jun 10, 1986
Doduco KG Dr. Eugen Durrwachter
Bruno Gengenbach
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Process of manufacturing strip coated with precious metal as a semi...
Patent number
4,521,257
Issue date
Jun 4, 1985
Doduco KG Dr. Eugen Durrwachter
Hans-Jurgen Gevatter
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Process for the production of bi-metallic contact rivets
Patent number
4,446,618
Issue date
May 8, 1984
Dr. Eugen Durrwachter Doduco KG
Erwin Bollian
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of producing a laminar contact material including a layer of...
Patent number
4,201,327
Issue date
May 6, 1980
Dr. Eugen Durrwachter Doduco
Ulf O. Harmsen
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
73566575 - SYDONAR
Serial number
73566575
Registration number
1422739
Filing date
Nov 4, 1985
DODUCO KG DR. EUGEN DURRWACHTER
12 - Vehicles
Information
Trademark
73387797 - SICADOX
Serial number
73387797
Registration number
1255197
Filing date
Sep 23, 1982
DODUCO KG Dr. Eugen Durrwachter
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73106581 - SIWODUR
Serial number
73106581
Registration number
1199350
Filing date
Nov 15, 1976
Dr. Eugen Durrwachter Doduco
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73106064 - DD
Serial number
73106064
Registration number
1105971
Filing date
Nov 10, 1976
DR. EUGEN DURRWACHTER DODUCO
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
73102782 - SINIDUR
Serial number
73102782
Registration number
1075367
Filing date
Oct 12, 1976
DR. EUGEN DURRWACHTER DODUCO
6 - Common metals and their alloys
Information
Trademark
73102780 - DODUCO
Serial number
73102780
Registration number
1117973
Filing date
Oct 12, 1976
DR. EUGEN DURRWACHTER DODUCO
1 - Chemicals used in industry, science and photography, as well as in agriculture, horticulture and forestry
Information
Trademark
73083353 - DODURIT
Serial number
73083353
Registration number
1116830
Filing date
Apr 9, 1976
DR. EUGEN DURRWACHTER DODUCO
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72315402 - FULMOFORM
Serial number
72315402
Registration number
888547
Filing date
Dec 30, 1968
DR. EUGEN DURRWACHTER DODUCO
6 - Common metals and their alloys
Information
Trademark
72129930 - ARGONOR
Serial number
72129930
Registration number
746464
Filing date
Oct 16, 1961
DR. EUGEN DURRWACHTER, DODUCO
6 - Common metals and their alloys
Information
Trademark
72129929 - AUROMAL
Serial number
72129929
Registration number
745672
Filing date
Oct 16, 1961
DR. EUGEN DURRWACHTER, DODUCO
14 - Precious metals and their alloys and goods in precious metals or coated therewith, not included in other classes
Information
Trademark
72106191 - TALARON
Serial number
72106191
Registration number
726435
Filing date
Oct 11, 1960
DR. EUGEN DURRWACHTER DODUCO
6 - Common metals and their alloys
Information
Trademark
72106192 - HELIOCHROME D
Serial number
72106192
Registration number
728169
Filing date
Oct 11, 1960
DR. EUGEN DURRWACHTER, DODUCO
6 - Common metals and their alloys
Information
Trademark
72106193 - SILARGON
Serial number
72106193
Registration number
725862
Filing date
Oct 11, 1960
DR. EUGEN DURRWACHTER, DODUCO
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
72106190 - DODUCO
Serial number
72106190
Registration number
746463
Filing date
Oct 11, 1960
DR. EUGEN DURRWACHTER, DODUCO
6 - Common metals and their alloys