Patents by Inventor Mark A. Evanson

Mark A. Evanson 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 handling and mixing system
    Patent number: 5332312
    Abstract: A chemical handling and mixing apparatus is disclosed, consisting of a chemical loading apparatus in which bulk chemical is mixed with water into an aqueous solution or slurry and an agitation apparatus which receives the aqueous solution or slurry from the chemical loading apparatus and further mixes the solution or slurry to ensure even mixing and delivers the mixed chemical to a pump for storage or use.
    Type: Grant
    Filed: October 13, 1992
    Date of Patent: July 26, 1994
    Assignee: Environmental Considerations, Ltd.
    Inventor: Mark A. Evanson
  • Chemical handling and mixing system
    Patent number: 5240326
    Abstract: A chemical handling and mixing apparatus is disclosed, consisting of a chemical loading apparatus in which bulk chemical is mixed with water into an aqueous solution or slurry and an agitation apparatus which receives the aqueous solution or slurry from the chemical loading apparatus and further mixes the solution or slurry to ensure even mixing and delivers the mixed chemical to a pump for storage or use.
    Type: Grant
    Filed: December 28, 1990
    Date of Patent: August 31, 1993
    Assignee: Environmental Consideration, Ltd.
    Inventor: Mark A. Evanson