Patents by Inventor Boyan K. Bahnev

Boyan K. Bahnev 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).

  • Wear cap for an earth working roll
    Patent number: 10589278
    Abstract: A wear cap for use on an earth working roil for mining, construction and public works machines such as crushers, surface miners, milling machines and the like includes a working end and a rear mounting end. The rear mounting end including a pair of top and bottom rearwardly extending protrusions, a retainer, and a cavity having side stabilizing surfaces and a top and bottom rail or groove to support the wear cap on a holder mounted to the earth working roll.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: March 17, 2020
    Assignee: ESCO GROUP LLC
    Inventors: Erik L. Johnson, Stephen M. Lafond, Cameron R. Leedham, Boyan K. Bahnev
  • WEAR CAP FOR AN EARTH WORKING ROLL
    Publication number: 20160290134
    Abstract: A wear cap for use on an earth working roil for mining, construction and public works machines such as crushers, surface miners, milling machines and the like includes a working end and a rear mounting end. The rear mounting end including a pair of top and bottom rearwardly extending protrusions, a retainer, and a cavity having side stabilizing surfaces and a top and bottom rail or groove to support the wear cap on a holder mounted to the earth working roll.
    Type: Application
    Filed: March 18, 2014
    Publication date: October 6, 2016
    Inventors: Erik L. Johnson, Stephen M. Lafond, Cameron R. Leedham, Boyan K. Bahnev