Patents by Inventor Johannes Antonius Josephus Visser

Johannes Antonius Josephus Visser 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).

  • Harvester for harvesting crops
    Patent number: 6863132
    Abstract: A harvester for harvesting a root crop, and more in particular for harvesting potatoes. For that purpose, the root crop and attached soil material is guided towards a rotating helically shaped conveyor track. This conveyor track is provided with sieve openings, which remove attached soil material from the root crop during transportation. Preferably, the helically shaped conveyor track is made of synthetic tubing or rods, which can be bought on a roll.
    Type: Grant
    Filed: July 6, 2001
    Date of Patent: March 8, 2005
    Inventor: Johannes Antonius Josephus Visser
  • Harvester for harvesting crops
    Publication number: 20040035594
    Abstract: The invention relates to a harvester for harvesting a root crop, and more in particular for harvesting potatoes. For that purpose, the root crop and attached soil material is guided towards a rotating helically shaped conveyor track (4). This conveyor track (4) is provided with sieve openings, which remove attached soil material from the root crop during transportation. Preferably, the helically shaped conveyor track is made of synthetic tubing or rods, which can be bought on a roll.
    Type: Application
    Filed: April 22, 2003
    Publication date: February 26, 2004
    Inventor: Johannes Antonius Josephus Visser