Patents by Inventor Roberto E. Perez

Roberto E. Perez 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).

  • Filter assembly having a flexible housing
    Patent number: 6601710
    Abstract: A fluid filter assembly for filtering fluids such as blood is described. The assembly includes first and second filter housing elements formed by an injection molding process. Each element is flexible and includes a peripheral flange formed thereabout and a fluid communicating port formed therein. Filter media, such as a filter membrane, is sealed between the mating flanges of two elements. The fluid filter assembly is capable of collapsing and expanding during the filtration process depending upon the composition of the fluid passed there through. A method for making the filter assembly and systems for using the filter assembly are also disclosed.
    Type: Grant
    Filed: January 23, 2002
    Date of Patent: August 5, 2003
    Assignee: Baxter International Inc.
    Inventors: Daryl R. Calhoun, Randy Murphey, Allen R. Wons, Roberto E. Perez
  • Filter assembly having a flexible housing and method of making same
    Publication number: 20020063090
    Abstract: A fluid filter assembly for filtering fluids such as blood. The assembly includes first and second filter housing elements formed by an injection molding process. Each element is flexible and includes a peripheral flange formed thereabout and a fluid communicating port formed therein. Filter media, such as a filter membrane, is sealed between the mating flanges of two elements. The fluid filter assembly is capable of collapsing and expanding during the filtration process depending upon the composition of the fluid passed there through. A method for making the filter assembly and systems for using the filter assembly are also disclosed.
    Type: Application
    Filed: January 23, 2002
    Publication date: May 30, 2002
    Applicant: Baxter International Inc.
    Inventors: Daryl R. Calhoun, Randy Murphey, Allen R. Wons, Roberto E. Perez
  • FILTER ASSEMBLY HAVING A FLEXIBLE HOUSING AND METHOD OF MAKING SAME
    Publication number: 20010037978
    Abstract: A fluid filter assembly for filtering fluids such as blood. The assembly includes first and second filter housing elements formed by an injection molding process. Each element is flexible and includes a peripheral flange formed thereabout and a fluid communicating port formed therein. Filter media, such as a filter membrane, is sealed between the mating flanges of two elements. The fluid filter assembly is capable of collapsing and expanding during the filtration process depending upon the composition of the fluid passed there through. A method for making the filter assembly and systems for using the filter assembly are also disclosed.
    Type: Application
    Filed: April 20, 1999
    Publication date: November 8, 2001
    Applicant: DARYL R. CALHOUN
    Inventors: DARYL R. CALHOUN, RANDY MURPHEY, ALLEN R. WONS, ROBERTO E. PEREZ