Patents by Inventor Netza Portillo

Netza Portillo 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).

  • Internal seed knockout assembly
    Patent number: 6352042
    Abstract: A seed meter is provided with a stationary housing having an inlet for receiving seed and an outlet for dispensing metered seed. A rotatable circular member is located adjacent the stationary housing and forms a seed puddle there between. The circular member is provided with seed receiving cells for transporting individual seeds from the seed puddle to the outlet. An internal seed knockout assembly having a rotatable wheel drives trapped seed from seed receiving cells into the outlet.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: March 5, 2002
    Assignee: Deere & Company
    Inventors: Robert Wallace Martin, Netza Portillo, James Irwin Lodico
  • Seed tube for an agricultural seeding machine
    Patent number: 5533458
    Abstract: A hollow seed tube extending between a seed meter and a planting furrow is provided with a sensor aperture for receiving a seed sensor. The interior surface of the seed tube above the sensor aperture is provided with a ramp for directing the seed inwardly away from the sensor.
    Type: Grant
    Filed: March 14, 1995
    Date of Patent: July 9, 1996
    Assignee: Deere & Company
    Inventors: Norman R. Bergland, Donald R. Wisor, Netza Portillo