Patents by Inventor Lev A. Nelik

Lev A. Nelik 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).

  • Gear pump having an inlet port aligned with the drive shaft
    Patent number: 6152719
    Abstract: The present invention overcomes deficiencies in the prior art by providing a centrifugal pump which conforms to ANSI standards, is reversible, is efficient, is self priming, has low flow stability and low radial thrust characteristics, handles viscous fluids well, and can pump fluid within a high range of pressure values.
    Type: Grant
    Filed: September 18, 1997
    Date of Patent: November 28, 2000
    Assignee: Roper Pump Company
    Inventors: Lev A. Nelik, William Chadwick Garrish, Laney Albert Seabolt