Patents by Inventor F. Philip Yu

F. Philip Yu 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).

  • Publication number: 20220144666
    Abstract: A cooling tower system is disclosed. The cooling system includes a cooling tower; at least two make-up water inlet streams configured to supply water to the cooling tower; a blowdown stream configured to remove water from the cooling tower; at least one sensor monitoring water in each of the make-up water inlet streams; and a controller operably connected to the at least one sensor.
    Type: Application
    Filed: November 11, 2020
    Publication date: May 12, 2022
    Applicant: ECOLAB USA INC.
    Inventors: Brian V. Jenkins, Craig W. Myers, Daniel L. Legereit, Emily Ann Taylor, F. Philip Yu, Bryan M. Bailiff, Michael R. Fisher, Bradley R. Goins
  • Publication number: 20100116735
    Abstract: A method of monitoring and optionally controlling the biological activity in a boiler condensate and/or feedwater system is disclosed. The methodology involves looking at the amount of ATP in a boiler fluid.
    Type: Application
    Filed: November 13, 2008
    Publication date: May 13, 2010
    Inventors: F. Philip Yu, Deborah M. Bloom
  • Patent number: 6080323
    Abstract: A method is disclosed for removing biofilms from surfaces submerged in a fouled water system by adding to the water system an alkyl polyglycoside having the chemical formula: ##STR1## wherein R is a C.sub.8 -C.sub.16 alkyl chain and DP is from 0 to 3 carbohydrate units.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: June 27, 2000
    Assignee: Nalco Chemical Company
    Inventors: F. Philip Yu, Anthony W. Dallmier
  • Patent number: 5670055
    Abstract: The invention comprises a method for dispersing biofilms caused by the growth of slime-forming bacteria and other microorganisms in industrial process water. The method comprises adding an effective biofilm dispersing amount of a linear alkylbenzene sulfonate to the industrial process water which contains slime-forming bacteria and other microorganisms. In addition, an alternative embodiment of the invention comprises adding a compound selected from the group consisting of peracetic acid, glutaraldehyde, isothiazolone, methylene bisthiocyanate, thiocyanomethylthio benzothiazole, 2-bromo-2-nitro-1,3-propane diol, dibromonitrilopropane diol, tetralcishydroxy methyl phosphonium sulfate, decylthioethane amine, alkyl dimethyl benzyl ammonium chloride and combinations thereof.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: September 23, 1997
    Assignee: Nalco Chemical Company
    Inventors: F. Philip Yu, William F. McCoy