Patents by Inventor Alexander E. Lesin

Alexander E. Lesin 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).

  • Tappet roller retaining approach
    Patent number: 10436164
    Abstract: A roller assembly, comprising a roller shoe having a bottom surface, and a groove at the bottom surface, the groove having a semicircular portion and a straight portion extending from the semicircular portion, the semicircular portion having a first diameter and the straight portion having a first width, and a cylindrical roller positioned in the roller shoe groove, the cylindrical roller having a second diameter, wherein the first width is greater than or equal to the first diameter and the second diameter is less than the first width.
    Type: Grant
    Filed: December 23, 2014
    Date of Patent: October 8, 2019
    Assignee: Cummins, Inc.
    Inventors: Chin-pei Wang, Matthew B. State, Eric A. Benham, Justin Gregory Wenger, Alexander E. Lesin, Kyle J. Brewer
  • TAPPET ROLLER RETAINING APPROACH
    Publication number: 20180266374
    Abstract: A roller assembly, comprising a roller shoe having a bottom surface, and a groove at the bottom surface, the groove having a semicircular portion and a straight portion extending from the semicircular portion, the semicircular portion having a first diameter and the straight portion having a first width, and a cylindrical roller positioned in the roller shoe groove, the cylindrical roller having a second diameter, wherein the first width is greater than or equal to the first diameter and the second diameter is less than the first width.
    Type: Application
    Filed: December 23, 2014
    Publication date: September 20, 2018
    Applicant: CUMMINS INC.
    Inventors: Chin-pei WANG, Matthew B. State, Eric A. Benham, Justin Gregory Wenger, Alexander E. Lesin, Kyle J. Brewer