Patents by Inventor Fillippus T. Engelbrecht

Fillippus T. Engelbrecht 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).

  • Driving head for line cutting devices
    Patent number: 4888871
    Abstract: A driving head for a line cutter device includes a base part; a spool driver; mounting means for mounting a spool, on the spool driver; and a set of teeth circumferentially distributed on the spool driver. An operating member is connected to the base part and having oppositely a first and a second end and a first detent at the first end and a second detent at the second end, the detents being adapted for cooperating selectively with one of the teeth of the set of teeth on the spool driver, the first end being heavier than the second end. Biasing means biases the operating member.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: December 26, 1989
    Assignee: Centiforce (Proprietary) Limited
    Inventor: Fillippus T. Engelbrecht