Patents by Inventor Ranier Hammann

Ranier Hammann 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: 4772558
    Abstract: A culture bottle assembly for the detection of micro-organisms in a fluid sample is provided. The culture bottle assembly is a container having a dividing wall which divides the culture into two compartments. A cap is provided for the container and means are provided for moving the cap axially with respect to the container. A resilient material is provided which is compressed by the cap moving means to provide a liquid tight seal between the two compartments.
    Type: Grant
    Filed: June 1, 1987
    Date of Patent: September 20, 1988
    Inventor: Ranier Hammann