Patents by Inventor Alexandr Konstantinovich Karasev

Alexandr Konstantinovich Karasev 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).

  • Method of manufacturing prestressed reinforced concrete articles
    Patent number: 4045533
    Abstract: A method of making stressed concrete articles made from a cement containing as an additive to portland cement a mixture of alumina cement, calcium sulfate and ground caustic lime, the method including hydrothermal treatment at 50.degree. C or above followed by curing in cold water for several days.
    Type: Grant
    Filed: January 15, 1973
    Date of Patent: August 30, 1977
    Inventors: Viktor Vasilievich Mikhailov, Semen Lvovich Litver, Alexandr Konstantinovich Karasev