Patents by Inventor Charles T. Curtis

Charles T. Curtis 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: 5534221
    Abstract: A system for sterilizing an object including a hollow cassette for containing the object, a sealable opening in the cassette for ingress and egress of the object, a seal for forming a fluid-tight seal around the opening, input and output ports in the cassette for receiving and exhausting a sterilizing fluid and a sealing check valve in the input and output ports for providing a fluid-tight seal when no connections are made to the input and output ports such that when the object is sterilized within the cassette, the cassette will maintain a sterilized atmosphere for the object until the cassette is opened to allow use of the object.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: July 9, 1996
    Assignee: American Sterilizer Company
    Inventors: H. William Hillebrenner, Vipul B. Sheth, Joseph M. Stack, Charles T. Curtis, Kevin H. Butler, David E. Shoff, Robert S. Petko, William C. Little, Thaddeus Mielnik, Peter Zell