Patents by Inventor Howard B. Poll

Howard B. Poll 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: 5224554
    Abstract: A transplanter is disclosed which provides uniform planting without damaging plants. The transplanter includes a mechanism for receiving plants and depositing them in a furrow formed by a unique furrow opening shoe having a polymer outer layer which does not accumulate dirt thereon. A projecting ridge is provided for protecting the layer.
    Type: Grant
    Filed: April 29, 1992
    Date of Patent: July 6, 1993
    Inventor: Howard B. Poll
  • Patent number: 5159887
    Abstract: A transplanter is disclosed which provides uniform planting without damaging plants. The transplanter includes a rotating cup assembly having two-piece clam shell cups, one of which opens by lateral movement by the cup halves of the cup. The transplanter also includes a chute and kick plate which move together to position the plants received from the rotating cup assembly in the planting position. A unique means is provided for opening the cup halves at a position immediately above the chute to minimize any hang-up of the plants. A polymer furrow opening shoe is also disclosed which includes a protective member which prevents soil damage to the polymeric surface. Also novel packing wheels are disclosed.
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: November 3, 1992
    Inventor: Howard B. Poll