Patents by Inventor Marshall A. Weinstein

Marshall A. Weinstein 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).

  • Capsule for absorbing liquid waste in a suction canister
    Patent number: 5424265
    Abstract: A capsule for absorbing liquid waste which contains a a capsule body, a capsule cap joined to said capsule body, and a powder disposed within said capsule. The body of the capsule consists essentially of water-soluble material. Each of the capsule cap and the capsule body contains a domed-shape end section and a linear body section, each of which contains several orifices. The density of orifices in the domed-shape sections exceeds the density of the orifices in the linear body sections. Disposed within the capsule is a powdered absorbent material.
    Type: Grant
    Filed: June 15, 1993
    Date of Patent: June 13, 1995
    Assignee: Safetec of America
    Inventor: Marshall A. Weinstein