Patents by Inventor Clair Melius

Clair Melius 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).

  • Self-contained filter assembly for removing air, particles and bacteria from a solution
    Patent number: 4294594
    Abstract: A filter assembly for removing particulate matter, bacteria and air from a liquid. The filter assembly comprises a housing having an inlet for receiving the liquid within the housing and an outlet to provide an exit for the liquid. All of the liquid entering the housing passes through a primary filtration stage that contains a hydrophobic filter arrangement for venting air in the liquid to the atmosphere and a depth filter arrangement for filtering particulate matter in the liquid. Alo disposed in the housing is a secondary filtration stage through which all of the liquid passes after leaving the primary filtration stage. The secondary filtration stage includes a hydrophobic filter arrangement for venting any remaining air in the liquid to the atmosphere and a final filter for removing bacteria from the liquid.
    Type: Grant
    Filed: October 2, 1979
    Date of Patent: October 13, 1981
    Assignee: United States Surgical Corporation
    Inventors: Thomas E. Sloane, Jr., Clair Melius, Erich Kling