Patents by Inventor Alexandr N. Bulgakov

Alexandr N. Bulgakov 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).

  • Circuit protection fuse
    Patent number: 4150354
    Abstract: The fuse for the protection of electric circuits comprises a casing filled with quartz sand, terminal contacts and a fuse link made of aluminium or an aluminium alloy. The ratio of the mass of the quartz sand to the mass of the aluminium material of the fuse link is at least 40:1. The fuse link is made of strip metal conductors, the widest current-conducting section of each strip having a width-to-thickness ratio within the range of 2:1 to 100:1.
    Type: Grant
    Filed: May 23, 1977
    Date of Patent: April 17, 1979
    Inventors: Kemal K. Namitokov, Andrei A. Kharisov, Ivan V. Matsa, Oleg M. Tochilin, Alexandr N. Bulgakov