Patents by Inventor Vladimir D. Makeev

Vladimir D. Makeev 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).

  • Percussive air tool
    Patent number: 4606414
    Abstract: A hollow housing has a piston hammer arranged for reciprocation therein. hammer has a rear end chamber, an air distributing valve secured in the rear end portion of the housing and adapted to be received by the rear end chamber of the piston hammer. A headpiece is secured to the forward end portion of the housing and subjected to impact of the piston hammer. A retainer embraces by at least one of its ends, the forward end portion of the housing and is disposed coaxially relative to the housing and the headpiece to ensure clamping of the forward end portion of the housing between the retainer and the headpiece.
    Type: Grant
    Filed: March 4, 1982
    Date of Patent: August 19, 1986
    Assignee: Institut Gornogo Dela Sibirskogo Otdelenia Akademii Nauk SSSR
    Inventors: Vladimir V. Klimashko, Nikolai P. Chepurnoi, Vladimir D. Makeev, Vladimir P. Naboko, Alexandr D. Filonov, Petr N. Svita