Patents by Inventor Max H. Kraus

Max H. Kraus 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: 4093193
    Abstract: The composite tube has an inner core of a first material, an intermediate zone of a second material surrounding said core, and an outer wrap surrounding and confining said intermediate zone. The intermediate zone is spirally wound layers of ceramic paper bonded together. The tube is light in weight and has a very low thermal conductivity.
    Type: Grant
    Filed: June 7, 1977
    Date of Patent: June 6, 1978
    Assignee: Electro-Nite Co.
    Inventors: John E. Cassidy, Max H. Kraus