Patents by Inventor Harvey Winters

Harvey Winters 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).

  • Prevention of biofouling of reverse osmosis membranes
    Patent number: 4988444
    Abstract: An improved process is disclosed for killing and inhibiting growth and reproduction (aftergrowth) of microorganisms comprising adding sufficient chloramine to kill the microorganisms without oxidizing high molecular weight organics, which are not easily assimilated by organisms that survive, into lower molecular weight ones, which are easily assimilated.
    Type: Grant
    Filed: May 12, 1989
    Date of Patent: January 29, 1991
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Lynn E. Applegate, Carl W. Erkenbrecher, Jr., Harvey Winters