Patents by Inventor Richard Kehn

Richard Kehn 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).

  • Trimable impeller device and system
    Patent number: 10670034
    Abstract: An impeller includes a hub and a plurality of blades. Each blade extends out from the hub. The impeller has an original diameter defined by respective tips of the plurality of blades. Each blade includes a central axis, a leading edge, a trailing edge, an original profile, and a plurality of trim profiles. The original profile has an outside portion and a trailing portion. The outside portion has an angle within a range of about 40° to about 90° from the central axis and the trailing portion having an angle within a range of about 10° to about 50° from the central axis. A first selected trim profile of the plurality of trim profiles extends along a first line parallel to the outside portion and a second line parallel to the trailing portion.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: June 2, 2020
    Assignee: SPX Flow, Inc.
    Inventors: Richard Howk, Richard Kehn, Aaron Strand
  • Low wear radial flow impeller device and system
    Patent number: 10618018
    Abstract: A radial impeller includes a hub, a disk, and a plurality of blades. The disk is affixed to the hub. The disk has a disk plane defined by the disk. Each blade of the plurality of blades is affixed to the disk. Each blade includes a “C” shaped body portion and an upper and lower horizontal extension. The upper horizontal extension extends along an upper plane parallel to the disk plane. The lower horizontal extension extends along a lower plane parallel to the disk plane.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: April 14, 2020
    Assignee: SPX Flow, Inc.
    Inventor: Richard Kehn
  • Trimable Impeller Device and System
    Publication number: 20170343004
    Abstract: An impeller includes a hub and a plurality of blades. Each blade extends out from the hub. The impeller has an original diameter defined by respective tips of the plurality of blades. Each blade includes a central axis, a leading edge, a trailing edge, an original profile, and a plurality of trim profiles. The original profile has an outside portion and a trailing portion. The outside portion has an angle within a range of about 40° to about 90° from the central axis and the trailing portion having an angle within a range of about 10° to about 50° from the central axis. A first selected trim profile of the plurality of trim profiles extends along a first line parallel to the outside portion and a second line parallel to the trailing portion.
    Type: Application
    Filed: May 26, 2016
    Publication date: November 30, 2017
    Inventors: Richard Howk, Richard Kehn, Aaron Strand
  • LOW WEAR RADIAL FLOW IMPELLER DEVICE AND SYSTEM
    Publication number: 20170343005
    Abstract: A radial impeller includes a hub, a disk, and a plurality of blades. The disk is affixed to the hub. The disk has a disk plane defined by the disk. Each blade of the plurality of blades is affixed to the disk. Each blade includes a “C” shaped body portion and an upper and lower horizontal extension. The upper horizontal extension extends along an upper plane parallel to the disk plane. The lower horizontal extension extends along a lower plane parallel to the disk plane.
    Type: Application
    Filed: May 25, 2016
    Publication date: November 30, 2017
    Inventor: Richard Kehn