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Cornelis Gerardus Middelbeek
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Nootdorp, NL
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Patents Grants
last 30 patents
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Patent Grant
Separating device
Patent number
4,202,778
Issue date
May 13, 1980
Ballast-Nedam Groep N.V.
Cornelis G. Middelbeek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method and device for separating a mixture
Patent number
4,145,280
Issue date
Mar 20, 1979
Ballast-Nedam Groep N.V.
Cornelis G. Middelbeek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for separating water from substances contained therein
Patent number
4,138,342
Issue date
Feb 6, 1979
Ballast-Nedam Groep N.V.
Cornelis G. Middelbeek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Method for collecting light-weight substances floating on a liquid...
Patent number
4,126,552
Issue date
Nov 21, 1978
Ballast-Nedam Groep N.V.
Cornelis Gerardus Middelbeek
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Oil-water separator
Patent number
4,123,365
Issue date
Oct 31, 1978
Ballast-Nedam Groep N.V.
Cornelis G. Middelbeek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Device for collecting light-weight substances floating on a liquid...
Patent number
4,059,526
Issue date
Nov 22, 1977
Ballast Nedam Groep N.V.
Cornelis Gerardus Middelbeek
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Oil separator for separating oil lighter than the purified liquid b...
Patent number
3,933,654
Issue date
Jan 20, 1976
Frederic R. Harris (Holland) B.V.
Cornelis Gerardus Middelbeek
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL