Patents by Inventor Osip Borisovich Bron

Osip Borisovich Bron 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).

  • Heavy current switch
    Patent number: 3953695
    Abstract: A heavy current switch comprising two stationary contacts, each consisting of two parts which form, upon being joined together, inter-contact spaces between which there is a movable contact system with two groups of contact rollers which either close or break said inter-contact spaces and which are arranged at diametrically opposite sides of the movable contact system.The stationary contacts are either arranged parallel to each other or made as semicylinders enveloping the movable contact system.
    Type: Grant
    Filed: July 26, 1973
    Date of Patent: April 27, 1976
    Inventors: Osip Borisovich Bron, Valentin Danilovich Molchanov, Lev Notovich Shifrin, Adolf Rudolfovich Freivald