Patents by Inventor David W. Thom

David W. Thom 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: 6343749
    Abstract: A mobile drip irrigation system includes an existing mobile irrigation system with the sprinkler heads removed and drip lines connected to the locations of the removed sprinkler heads. Each drip line includes a drop line extending from the irrigation system supply pipe, generally vertically to a lower end spaced slightly above the ground. A drip hose is connected to the lower end of each drop line and has a plurality of drip irrigation emitters along the length thereof. A weight is attached to the lower end of each drop line to maintain the drop line in a generally vertical orientation as the irrigation system moves through the field.
    Type: Grant
    Filed: March 20, 2001
    Date of Patent: February 5, 2002
    Assignee: T-L Irrigation Company
    Inventor: David W. Thom