Patents by Inventor Frederic Hackl

Frederic Hackl 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).

  • Patent number: 12510092
    Abstract: A pressure bushing for a centrifugal pump for fluid, the pressure bushing having a substantially cylindrical shape, and comprising at least: a bottom portion, an outer side portion, and an inner side portion opposing the outer side portion and having an inner circumference surface, wherein the inner circumference surface of the inner side portion tapers at least partially towards the bottom portion of the pressure bushing.
    Type: Grant
    Filed: August 3, 2022
    Date of Patent: December 30, 2025
    Assignee: Bleckmann GmbH & Co. KG
    Inventors: Frederic Hackl, Hubert Unterberger, Mladen Gojkic, Michael Ullrich
  • Publication number: 20240337269
    Abstract: A pressure bushing for a centrifugal pump for fluid, the pressure bushing having a substantially cylindrical shape, and comprising at least: a bottom portion, an outer side portion, and an inner side portion opposing the outer side portion and having an inner circumference surface, wherein the inner circumference surface of the inner side portion tapers at least partially towards the bottom portion of the pressure bushing.
    Type: Application
    Filed: August 3, 2022
    Publication date: October 10, 2024
    Inventors: Frederic HACKL, Hubert UNTERBERGER, Mladen Gojkic, Michael ULLRICH
  • Patent number: 11828295
    Abstract: The present invention relates to a pressure wall for a centrifugal pump for fluid having substantially the shape of a disc, the disc-shaped pressure wall having a central axis, the pressure wall comprising: a top surface; and a bottom surface opposing the top surface; wherein the top surface includes an inner surface section and an outer surface section, wherein the inner surface section extends radially from the central axis and is recessed to form a central recess; and wherein the outer surface section includes an inner circumferential edge portion and an outer circumferential edge portion, wherein the inner circumferential edge portion is located closer to the central axis than the outer circumferential edge portion, and wherein the outer circumferential edge portion is located higher than the inner circumferential edge portion with respect to a plane perpendicular to the central axis and passing through the inner circumferential edge portion.
    Type: Grant
    Filed: August 2, 2022
    Date of Patent: November 28, 2023
    Assignee: Bleckmann GmbH & Co. KG
    Inventors: Frederic Hackl, Hubert Unterberger, Mladen Gojkic, Michael Ullrich
  • Publication number: 20230044897
    Abstract: The present invention relates to a pressure wall for a centrifugal pump for fluid having substantially the shape of a disc, the disc-shaped pressure wall having a central axis, the pressure wall comprising: a top surface; and a bottom surface opposing the top surface; wherein the top surface includes an inner surface section and an outer surface section, wherein the inner surface section extends radially from the central axis and is recessed to form a central recess; and wherein the outer surface section includes an inner circumferential edge portion and an outer circumferential edge portion, wherein the inner circumferential edge portion is located closer to the central axis than the outer circumferential edge portion, and wherein the outer circumferential edge portion is located higher than the inner circumferential edge portion with respect to a plane perpendicular to the central axis and passing through the inner circumferential edge portion.
    Type: Application
    Filed: August 2, 2022
    Publication date: February 9, 2023
    Inventors: Frederic Hackl, Hubert Unterberger, Mladen Gojkic, Michael Ullrich