Patents Assigned to B & B Beheer B.V.
  • Dredging installation
    Patent number: 5979088
    Abstract: An installation for sucking up material from the bed of a body of water includes a housing (1) that is provided with a suction pipe (2) which extends toward the bed of the body of water and that has a suction opening (22) and is connected to a pump (4) located in the housing (1). The suction opening can be selectively spaced at various distances from the housing by relative movement of sections of the suction pipe.
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: November 9, 1999
    Assignees: De Groot Nijkerk Machinefabriek B.V., B & B Beheer B.V., Aannemingsbedrijf J.G. Nelis B.V.
    Inventors: Jan Brouwer, Hendrikus Van Berk
  • Dredging installation
    Patent number: 5913604
    Abstract: An installation for sucking up material from the bed of a body of water includes a housing (1) that is provided with a suction pipe (2) which extends toward the bed of the body of water and that has a suction opening (22) and is connected to a pump (4) located in the housing (1). The suction opening can be selectively spaced at various distances from the housing by relative movement of sections of the suction pipe.
    Type: Grant
    Filed: December 3, 1996
    Date of Patent: June 22, 1999
    Assignees: De Groot Nijkerk Maschinefabriek B.V., B & B Beheer B.V., Aannemingsbedrijf J.G. Nelis B.V.
    Inventors: Jan Brouwer, Hendrikus Van Berk