Patents by Inventor Peter S. Atkins

Peter S. Atkins 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 of treating water for horticultural uses
    Patent number: 4149970
    Abstract: The present invention relates to a method for operating a nutrient film plant growth technique so as to minimize the build up of one chemical in the circulating solution without a corresponding build-up of other chemicals, notably nutrient chemicals, therein. For example the feed of nutrient chemicals is in proportion to the feed of water to the solution, or the concentration of non-nutrients is maintained at a low level or discounted when assessing the amount of nutrient to add to the solution to maintain the desired nutrient level.
    Type: Grant
    Filed: January 11, 1978
    Date of Patent: April 17, 1979
    Assignee: Fisons Limited
    Inventors: Peter S. Atkins, Francis N. Wilson