Patents by Inventor David Jack Thomas

David Jack Thomas 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).

  • Chemical solution feeder and method
    Patent number: 10220356
    Abstract: A feeder is disclosed for dissolving a chemical and mixing it with a liquid. The feeder includes a hopper adapted to hold the chemical, a nozzle located in the hopper, and a supply of the liquid to the nozzle to dissolve the chemical on contact with the liquid from the nozzle to form a solution. A solution basin is disposed under the hopper and a drain is provided from the hopper into the solution basin. An outlet from the solution basin has an outlet valve which opens when a solution level in the solution basin rises.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: March 5, 2019
    Assignee: ALLCHEM PERFORMANCE PRODUCTS, LP
    Inventors: Kenneth Mark Sims, Brian Bokowy, David Jack Thomas
  • Chemical solution feeder and method
    Patent number: 9056286
    Abstract: A feeder is disclosed for dissolving a chemical and mixing it with a liquid. The feeder includes a hopper adapted to hold the chemical, a nozzle located in the hopper, and a supply of the liquid to the nozzle to dissolve the chemical on contact with the liquid from the nozzle to form a solution. A solution basin is disposed under the hopper and a drain is provided from the hopper into the solution basin. An outlet from the solution basin has an outlet valve which opens when a solution level in the solution basin rises.
    Type: Grant
    Filed: July 17, 2008
    Date of Patent: June 16, 2015
    Assignee: ALLCHEM PERFORMANCE PRODUCTS, INC.
    Inventors: Kenneth Mark Sims, Brian Bokowy, David Jack Thomas
  • Chemical Solution Feeder and Method
    Publication number: 20100086445
    Abstract: A feeder is disclosed for dissolving a chemical and mixing it with a liquid. The feeder includes a hopper adapted to hold the chemical, a nozzle located in the hopper, and a supply of the liquid to the nozzle to dissolve the chemical on contact with the liquid from the nozzle to form a solution. A solution basin is disposed under the hopper and a drain is provided from the hopper into the solution basin. An outlet from the solution basin has an outlet valve which opens when a solution level in the solution basin rises.
    Type: Application
    Filed: October 8, 2008
    Publication date: April 8, 2010
    Inventors: Kenneth Mark Sims, Brian Bokowy, David Jack Thomas
  • Chemical Solution Feeder and Method
    Publication number: 20100012560
    Abstract: A feeder is disclosed for dissolving a chemical and mixing it with a liquid. The feeder includes a hopper adapted to hold the chemical, a nozzle located in the hopper, and a supply of the liquid to the nozzle to dissolve the chemical on contact with the liquid from the nozzle to form a solution. A solution basin is disposed under the hopper and a drain is provided from the hopper into the solution basin. An outlet from the solution basin has an outlet valve which opens when a solution level in the solution basin rises.
    Type: Application
    Filed: July 17, 2008
    Publication date: January 21, 2010
    Applicant: Allchem Industries Incorporated
    Inventors: Kenneth Mark Sims, Brian Bokowy, David Jack Thomas