Patents by Inventor Karsten Z. Ostergaard

Karsten Z. Ostergaard has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4724573
    Abstract: In a carpet cleaning machine with a machine housing (1), two containers (4,5) for fresh and used cleaning liquid respectively and flexible tubing (2,3) connecting the machine housing (1) to at least one liquid ejection nozzle (not shown) and a suction mouthpiece (not shown), each of the two containers (4,5) is removably supported in a space (14) above a substantially horizontal portion (7) of said housing (1) and close to a substantially vertical partition portion (8) of said housing (1), each container preferably being supported by plugs (11) extending outwards and upwards from each side of the partition portion (8) and cooperating with sockets (12) recessed into the sides (10) of the containers adapted to face the partition portion (8).
    Type: Grant
    Filed: January 13, 1987
    Date of Patent: February 16, 1988
    Assignee: Knud E. Westergaard
    Inventor: Karsten Z. Ostergaard