Patents by Inventor Phillip L. Weber

Phillip L. Weber 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).

  • Patent number: 4292405
    Abstract: A system is provided for testing the sterility of a plurality of samples. The samples are fed by gravity to and through a first conduit which branches into a pair of conduits terminating in two separate test chambers. Each of the test chambers has a main chamber portion and a filter therein. The sample material is gravity fed into the main chamber portions and a vacuum pump is used to draw the liquid material through the filter and out of the test chamber. Test media is introduced to each of the test chambers through an injection site and the test chambers are incubated.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: September 29, 1981
    Assignee: Baxter Travenol Laboratories, Inc.
    Inventors: Carmine C. Mascoli, J. Lee Pope, Jr., Phillip L. Weber