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Patents Grants
last 30 patents
Information
Patent Grant
Contactor
Patent number
4,416,858
Issue date
Nov 22, 1983
RTL Contactor Holding S.A.
Lee F. Robinson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Extraction process
Patent number
4,303,620
Issue date
Dec 1, 1981
RTL Contactor Holding S.A.
John S. Rendall
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Extraction
Patent number
4,284,606
Issue date
Aug 18, 1981
RTL Contactor Holding S.A.
John S. Rendell
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Separation of minerals
Patent number
4,274,948
Issue date
Jun 23, 1981
RTL Contactor Holding S.A.
Lee F. Robinson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Treatment process
Patent number
4,263,147
Issue date
Apr 21, 1981
RTL Contactor Holding S.A.
Lee F. Robinson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for contacting liquids
Patent number
4,260,586
Issue date
Apr 7, 1981
RTL Contactor Holding S.A.
Theodor J. M. Hohlbaum
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for contacting liquids and solids with liquids
Patent number
4,244,656
Issue date
Jan 13, 1981
RTL Contactor Holding S.A.
Theodor J. M. Hohlbaum
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Apparatus for and methods of contacting materials
Patent number
4,244,923
Issue date
Jan 13, 1981
RTL Contactor Holding S.A.
Theodor J. M. Hohlbaum
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Trademark
last 30 trademarks