Patents by Inventor Jacob Leth

Jacob Leth 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).

  • Method for eradicating insect nests or animal underground channels
    Publication number: 20220061302
    Abstract: A method for eradicating ant and other insect nests includes a) providing a water slurry of phyllosilicate mineral, and optional filler material in a container in slurry communication with a nozzle; b) inserting the nozzle into a channel of an ant or insect nest; and c) injecting the water slurry of phyllosilicate mineral through the nozzle and into the ant or another insect nest. A system for carrying out the method includes a container having a water slurry of phyllosilicate mineral, and optional filler material contained therein, wherein the container includes a discharge orifice configured as a nozzle adapted for dispending the water slurry. The water content of the slurry is within the range of 40-95% w/w, and the dry matter content of phyllosilicate mineral is within the range of 4-60% w/w.
    Type: Application
    Filed: January 20, 2020
    Publication date: March 3, 2022
    Inventor: Jacob Leth-Espensen
  • Hearing aid
    Patent number: D498534
    Type: Grant
    Filed: April 15, 2003
    Date of Patent: November 16, 2004
    Assignee: Microsound A/S
    Inventors: Søren Louis Pedersen, Jacob Leth Espersen, Anders Geert-Jensen
  • Portable battery operated air pump
    Patent number: D399213
    Type: Grant
    Filed: May 27, 1997
    Date of Patent: October 6, 1998
    Inventors: Peter Egelund Sorensen, Morten Boutrup, Anders Geert-Jensen, Jacob Leth