Patents by Inventor Francis Martin Servas

Francis Martin Servas 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).

  • Blood filter
    Patent number: 4096070
    Abstract: In a blood filter of the type having a blood inlet spike which is to be inserted in a blood bag the improvement comprising the outer surface of the blood inlet spike having a roughness of from about 50 to 200 microinches.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: June 20, 1978
    Assignee: Johnson & Johnson
    Inventor: Francis Martin Servas
  • Blood filtration unit
    Patent number: 3954623
    Abstract: A blood filtration unit for filtering multiple units of blood comprising means for attaching the unit to a blood reservoir, a drip chamber and a segmental filtration compartment for filtering blood.
    Type: Grant
    Filed: May 28, 1974
    Date of Patent: May 4, 1976
    Assignees: Johnson & Johnson, Purolator, Inc.
    Inventors: Kurt Finn Hammer, James Beattie Henderson, George William Lane, William Lauer, Alfred Robert Luceyk, Francis Martin Servas
  • Extracorporeal filter
    Patent number: 3939078
    Abstract: An extracorporeal filter having improved characteristics for the positive elimination of gas bubbles from blood streams. The top of the filter housing is sloped to a high point where there is positioned an air vent. The inlet for the blood is positioned substantially in the center of the top portion and extends past the plane of the top portion into the filter housing.
    Type: Grant
    Filed: April 19, 1974
    Date of Patent: February 17, 1976
    Assignees: Johnson & Johnson, Purolator, Inc.
    Inventors: Francis Martin Servas, Jorge Torres