Patents by Inventor Sijtze Leijenaar

Sijtze Leijenaar 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).

  • Sod collector
    Patent number: 6527502
    Abstract: A sod-collecting apparatus, comprising a collecting platform for supporting juxtaposed rows of coiled sods, a feed conveyor for feeding coiled sods, and a conveyor belt downstream of the feed conveyor, the conveyor belt extending along the collecting platform, wherein the feed conveyor and the conveyor belt are arranged for displacing the coiled sods on the conveyor belt along the collecting platform in a direction parallel to an axial body axis of coiled sods located on the conveyor belt, with a positioning structure for stopping each individual sod on the conveyor belt in at least one predetermined position along the collecting platform.
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: March 4, 2003
    Inventor: Sijtze Leijenaar
  • Sod collector
    Publication number: 20010019005
    Abstract: A sod-collecting apparatus, comprising a collecting platform (70) for supporting juxtaposed rows of coiled sods, a feed conveyor (20, 310) for feeding coiled sods, and a conveyor belt (40, 50, 330) downstream of said feed conveyor, said conveyor belt extending along the collecting platform (70, 350), wherein the feed conveyor (20, 310) and the conveyor belt (40, 50, 330) are arranged for displacing the coiled sods on the conveyor belt (40, 50, 330) along the collecting platform (70, 350) in a direction parallel to an axial body axis of coiled sods located on the conveyor belt (40, 50, 330), with a positioning structure for stopping each individual sod on the conveyor belt in at least one predetermined position along the collecting platform (70, 350).
    Type: Application
    Filed: January 11, 2001
    Publication date: September 6, 2001
    Inventor: Sijtze Leijenaar