Patents by Inventor Allen D. Secrest

Allen D. Secrest 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: 4329815
    Abstract: An improved self controlled watering planter device of the type utilizing a porous moisture sensor, an air-tight fluid reservoir and a membranous fluid inlet port on the interior bottom of the device including concentric annular ridges and a solid circular disk for inhibiting the interference of plant roots with the fluid inlet port. The improved device further includes baffle structures to inhibit debris from fouling the bottom portion of the inlet port, an interiorally mounted moisture sensing unit and an inward draining niche surrounding the fluid reservoir fill port.
    Type: Grant
    Filed: November 7, 1980
    Date of Patent: May 18, 1982
    Assignee: Planter Technology Investments Limited
    Inventor: Allen D. Secrest