Patents by Inventor Mihail Renghes

Mihail Renghes 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).

  • Apparatus for machining bearing rolls
    Patent number: 4069621
    Abstract: An apparatus for machining bearing balls has a motor which drives, through an elastic coupling, a gear box connected by a telescoping coupling to a crown gear device. The output of the crown-gearing is applied to a rotatable disk. An electric motor drives a gear pump which has its output connected by an electromagnetic distributor to a hydraulic cylinder adapted to press the rotatable disk against a fixed disk, the balls being circulated between the disk and machine (filed, ground or lapped) therebetween.
    Type: Grant
    Filed: June 17, 1976
    Date of Patent: January 24, 1978
    Assignee: Intreprinderea "Mecanica" Plopeni
    Inventors: Dumitru Gheorghe, Mihail Renghes, Gheorghe Serban, Vasile David