Patents by Inventor Donald C. Hiscock

Donald C. Hiscock 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: 4411206
    Abstract: A precision sower is described which has the capability of sowing seeds in single in rows parallel to the direction of travel of the sower and in parallel rows normal to the direction of travel. The sower cimprises a hollow rotatable drum provided with series radial holes, each series being in the same plane, and an internal source of vacuum. Pins positively displace seeds from the holes at a predetermined point in the rotation of the drum. The pins are actuated by a cam surface during normal rotation of the drum. The sower can be used in association with rollers, coulters and other implements to assist in the sowing operation.
    Type: Grant
    Filed: July 20, 1981
    Date of Patent: October 25, 1983
    Assignee: Development Finance Corp of New Zealand
    Inventor: Donald C. Hiscock