Patents by Inventor Hossein Meidani

Hossein Meidani 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).

  • Publication number: 20210178479
    Abstract: A surface treatment process for manufacturing a metal- and/or cermet-based timepiece component from a component having irregularities, such as pores and/or precipitates and/or striations, obtained by a powder metallurgy or additive manufacturing method, which process includes a step of improving the surface finish of the component by superficial remelting on a surface zone of the component.
    Type: Application
    Filed: November 3, 2020
    Publication date: June 17, 2021
    Applicant: ROLEX SA
    Inventors: Tuomas Jalanti, Hossein Meidani
  • Publication number: 20180185961
    Abstract: A method for material processing is disclosed, the method comprising applying a laser beam, directing the laser beam to a processing location to melt material at the processing location, and providing a shielding gas flow. The shielding gas flow is controlled dependent on at least one of a processing location position, a processing advance vector, and a processing trajectory.
    Type: Application
    Filed: January 22, 2016
    Publication date: July 5, 2018
    Inventors: Hossein Meidani, Felix Roerig, Thomas Etter
  • Publication number: 20170021453
    Abstract: The application relates to the technology of producing three-dimensional articles by powder-based additive manufacturing, such as selective laser melting or electron beam melting. Especially, it refers to a high oxidation resistant and high gamma-prime precipitation containing Ni-base super alloy powder on basis of IN738LC with a modified chemical composition. Such powder has the following chemical composition (in wt.-%): 15.7-16.3 Cr, 8.0-9.0 Co, 1.5-2.0 Mo, 2.4-2.8 W, 1.5-2.0 Ta, 3.2-3.7 Al, 2.2-3.7 Ti, 0.6-1.1 Nb, 0.09-0.13 C, 0.007-0.012 B, 0.0045?Zr<0.03, 0.001?Si<0.03, remainder Ni and unavoidable residual elements and in addition a powder size distribution between 10 and 100 ?m and a spherical morphology. As an advantage nearly crack free three-dimensional articles can be produced with more productive process parameters and without complicated and time consuming variations of the addive manufacturing processes (e.g. pre-heating) and/or post processing (e.g. hot isostatic pressing HIP).
    Type: Application
    Filed: December 9, 2014
    Publication date: January 26, 2017
    Applicant: GENERAL ELECTRIC TECHNOLOGY GMBH
    Inventors: Roman ENGELI, Thomas ETTER, Hossein MEIDANI
  • Publication number: 20170021415
    Abstract: The application relates to the technology of producing three-dimensional articles by means of powder-based additive manufacturing, such as selective laser melting or electron beam melting. Especially, it refers to a Nickel-base superalloy powder on basis of Hastelloy X consisting of the following chemical composition: 20.5-23.0 Cr, 17.0-20.0 Fe, 8.0-10.0 Mo, 0.50-2.50 Co, 0.20-1.00 W, 0.04-0.10 C, 0-0.5 Si, 0-0.5 Mn, 0-0.008 B, remainder Ni and unavoidable residual elements and wherein the powder has a powder size distribution between 10 and 100 ?m and a spherical morphology and the ratio of the content of alloying elements C/B is at least 5 or more.
    Type: Application
    Filed: July 21, 2016
    Publication date: January 26, 2017
    Applicant: ANSALDO ENERGIA IP UK LIMITED
    Inventors: Thomas ETTER, Andreas KÜNZLER, Hossein MEIDANI
  • Publication number: 20160151860
    Abstract: The invention relates to a method for manufacturing a component, especially for gas turbines and other thermo machinery. The method includes providing a data set defining the component for being used in an additive manufacturing process; manufacturing said component by means of said additive manufacturing process according to said data set; and subjecting said manufactured component to a heat treatment (HT) in order to change the microstructure of the manufactured component.
    Type: Application
    Filed: September 29, 2015
    Publication date: June 2, 2016
    Inventors: Roman ENGELI, Thomas ETTER, Hossein MEIDANI
  • Publication number: 20150344994
    Abstract: The application relates to the technology of producing three-dimensional articles by means of powder-based additive manufacturing, such as selective laser melting (SLM) or electron beam melting (EBM). It refers to a Nickel-base superalloy powder, wherein the superalloy powder has a chemical composition that allows establishing a gamma-prime precipitation content of 60-70 vol.-% in the superalloy in a heat treated condition. The powder has a powder size distribution between 10 and 100 ?m and a spherical morphology. The ratios of the content (in weight-%) of the alloying elements C, B, Hf, Zr, Si are the following: C/B=10-32; C/Hf>2; C/Zr>8; C/Si>1. A preferred embodiment includes of the following chemical composition (in weight-%): 7.7-8.3 Cr; 5.0-5.25 Co; 2.0-2.1 Mo;7.8-8.3 W; 5.8-6.1 Ta; 4.7-5.1 Al; 1.1-1.4 Ti; 0.08-0.16 C; 0.005-0.008 B; 0-0.04 Hf;0-0.01 Zr; 0-0.08 Si; the remainder being Ni and unavoidable impurities.
    Type: Application
    Filed: May 19, 2015
    Publication date: December 3, 2015
    Inventors: Thomas ETTER, Hossein Meidani, Maxim Konter