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INSITUFORM INTERNATIONAL, N.V
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Patents Grants
last 30 patents
Information
Patent Grant
Passageway lining material
Patent number
4,836,715
Issue date
Jun 6, 1989
Insituform International N.V.
Eric Wood
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and apparatus for sealing the space between pipes and lining...
Patent number
4,752,511
Issue date
Jun 21, 1988
Insituform International NV
F. Thomas Driver
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Relating to cutters
Patent number
4,701,988
Issue date
Oct 27, 1987
Insituform International N.V.
Eric Wood
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Lining of pipelines or passageways
Patent number
4,581,085
Issue date
Apr 8, 1986
Insituform International N.V.
Eric Wood
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Cutters
Patent number
4,442,891
Issue date
Apr 17, 1984
Insituform International N.V.
Eric Wood
E03 - WATER SUPPLY SEWERAGE
Information
Patent Grant
Formation of a lining in pipelines
Patent number
4,439,469
Issue date
Mar 27, 1984
Insituform International N.V.
Eric Wood
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
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