Patents by Inventor Andrew James Spring

Andrew James Spring 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).

  • COAGULANT DOSING PROCESS FOR MEMBRANE FILTRATION
    Publication number: 20080314833
    Abstract: A filtration process has a coagulation step and a membrane filtration step. The membrane filtration step has a permeation step followed by a cleaning step. In the coagulation step, a coagulant is added to feed water during a period of time beginning generally at the start of the permeation step and ending in a range from about 50% to 85% of the duration of the permeation step.
    Type: Application
    Filed: June 22, 2007
    Publication date: December 25, 2008
    Inventors: Daniella Berenisse Mosqueda-Jimenez, Fraser Charles Kent, Andrew James Spring, Md Zamir Bin Alam