Patents by Inventor Benno Gries

Benno Gries 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: 11292748
    Abstract: The present invention relates to zirconium oxide powder for thermal spraying and a method for its manufacture. Furthermore, the present invention relates to thermal insulation layers, which are obtained using the zirconium oxide powder according to the invention.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: April 5, 2022
    Assignee: HÖGANÄS GERMANY GMBH
    Inventor: Benno Gries
  • Patent number: 11207730
    Abstract: A sintered composite material obtainable by a method which includes providing a composition which includes at least one hardness carrier and a base binder alloy, and sintering the composition. The base binder alloy includes from 66 to 93 wt.-% of nickel, from 7 to 34 wt.-% of iron, from 0 to 9 wt.-% of cobalt, and up to 30 wt.-% of one or more elements selected from W, Mo, Cr, V, Ta, Nb, Ti, Zr, Hf, Re, Ru, Al, Mn, B, N and C. The wt.-% proportions of the base binder alloy add up to 100 wt.-%.
    Type: Grant
    Filed: October 12, 2017
    Date of Patent: December 28, 2021
    Assignee: HÖGANÄS GERMANY GMBH
    Inventor: Benno Gries
  • Patent number: 10695839
    Abstract: A process for producing a sintered spraying powder comprising chromium nitride includes producing a powder mixture comprising a first powder and a second powder, and sintering the powder mixture to the sintered spraying powder at a nitrogen partial pressure of >1 bar so as to maintain or increase a chemically bound nitrogen in the sintered spraying powder compared to a chemically bound nitrogen in the first powder mixture. The first powder comprises at least one constituent selected from the group consisting of Cr, CrN and Cr2N. The second powder comprises at least one constituent selected from the group consisting of nickel, cobalt, nickel alloys, cobalt alloys and iron alloys.
    Type: Grant
    Filed: January 23, 2014
    Date of Patent: June 30, 2020
    Assignee: H.H. STARCK SURFACE TECHNOLOGY AND CERAMIC POWDERS GMBH
    Inventors: Benno Gries, Bernhard Bruening
  • Patent number: 9919358
    Abstract: A sintered spray powder includes from 5 to 50 wt.-% of a metallic matrix, from 50 to 95 wt.-% of a hard material, and from 0 to 10 wt.-% of a wear-modifying oxide, each based on the total weight of the sintered spray powder. The metallic matrix comprises from 0 to 20 wt.-% of molybdenum based on the total weight of the metallic matrix. The hard material comprises at least 70 wt.-% of molybdenum carbide based on the total weight of the hard material. An average particle diameter of the molybdenum carbide in the sintered spray powder is <10 ?m, determined in accordance with ASTM E112.
    Type: Grant
    Filed: October 1, 2014
    Date of Patent: March 20, 2018
    Assignee: H.C. STARCK GMBH
    Inventor: Benno Gries
  • Patent number: 9821372
    Abstract: A method for producing a composite material includes providing a composition comprising at least one hardness carrier and a base binder alloy, and sintering the composition. The base binder alloy comprises from 66 to 93 wt.-% of nickel, from 7 to 34 wt.-% of iron, and from 0 to 9 wt.-% of cobalt, wherein the wt.-% proportions of the base binder alloy add up to 100 wt.-%.
    Type: Grant
    Filed: May 24, 2012
    Date of Patent: November 21, 2017
    Assignee: H. C. STARCK GMBH
    Inventor: Benno Gries
  • Patent number: 9540715
    Abstract: A cermet powder includes a) from 50 to 90 wt-% of at least one hard material, and b) from 10 to 50 wt-% of a matrix metal composition. The wt.-% for a) and b) are based on a total weight of the cermet powder. The matrix metal composition comprises i) from 40 to 75 wt-% of iron and nickel, ii) from 18 to 35 wt-% of chromium, iii) from 3 to 20 wt.-% of molybdenum, and iv) from 0.5 to 4 wt-% of copper. The wt-% for i) to iv) are based in each case on a total weight of the matrix metal composition. A weight ratio of iron to nickel is from 3:1 to 1:3.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: January 10, 2017
    Assignee: H. C. STARCK GMBH
    Inventors: Stefan Zimmermann, Benno Gries
  • Patent number: 9233419
    Abstract: The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.
    Type: Grant
    Filed: August 16, 2013
    Date of Patent: January 12, 2016
    Assignee: H.C. Starck Inc.
    Inventor: Benno Gries
  • Publication number: 20140234548
    Abstract: A cermet powder includes a) from 50 to 90 wt-% of at least one hard material, and b) from 10 to 50 wt-% of a matrix metal composition. The wt.-% for a) and b) are based on a total weight of the cermet powder. The matrix metal composition comprises i) from 40 to 75 wt-% of iron and nickel, ii) from 18 to 35 wt-% of chromium, iii) from 3 to 20 wt.-% of molybdenum, and iv) from 0.5 to 4 wt-% of copper. The wt-% for i) to iv) are based in each case on a total weight of the matrix metal composition. A weight ratio of iron to nickel is from 3:1 to 1:3.
    Type: Application
    Filed: September 4, 2012
    Publication date: August 21, 2014
    Applicant: H.C. STARCK GMBH
    Inventors: Stefan Zimmermann, Benno Gries
  • Publication number: 20140086782
    Abstract: A method for producing a composite material includes providing a composition comprising at least one hardness carrier and a base binder alloy, and sintering the composition. The base binder alloy comprises from 66 to 93 wt.-% of nickel, from 7 to 34 wt.-% of iron, and from 0 to 9 wt.-% of cobalt, wherein the wt.-% proportions of the base binder alloy add up to 100 wt.-%.
    Type: Application
    Filed: May 24, 2012
    Publication date: March 27, 2014
    Applicant: H.C. STARCK GMBH
    Inventor: Benno Gries
  • Publication number: 20140037491
    Abstract: The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.
    Type: Application
    Filed: August 16, 2013
    Publication date: February 6, 2014
    Inventor: Benno Gries
  • Patent number: 8562715
    Abstract: The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: October 22, 2013
    Assignee: H.C. Starck Inc.
    Inventor: Benno Gries
  • Patent number: 8523976
    Abstract: The present invention relates to a metal powder mixture that is suitable for producing sintered bodies. The powder mixture is suitable as a binder for hard metals and contains: a) at least one prealloyed powder selected from the group of iron/nickel, iron/cobalt, iron/nickel/cobalt and nickel/cobalt; b) at least one element powder selected from the group of iron, nickel and cobalt or a prealloyed powder selected from the group consisting of iron/nickel, iron/cobalt, iron/nickel/cobalt and nickel/cobalt which is different from component a). The invention also relates to a cemented hard material which uses the inventive powder mixture and a hard material powder, wherein the overall composition of the components a) and b) together contains not more than 90% by weight of cobalt and not more than 70% by weight of nickel and the iron content.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: September 3, 2013
    Assignee: H.C. Starck GmbH
    Inventors: Benno Gries, Leo Prakash
  • Publication number: 20110286877
    Abstract: A process of using a molybdenum-containing binder alloy powder to produce a sintered hard metal based on a tungsten carbide includes providing a molybdenum-containing binder alloy powder with a FSSS value as determined in accordance with an ASTM B 330 standard of from 0.5 to 3 ?m and comprising from 0.1 to 10% by weight of a molybdenum in at least one of an alloyed form and a prealloyed form, less than 60% by weight of an iron, up to 60% by weight of a cobalt, and from 10 to 60% by weight of a nickel. The molybdenum-containing binder alloy powder is incorporated into a hard metal. The hard metal is sintered so as to provide the liquid-phase-sintered hard metal based on a tungsten carbide.
    Type: Application
    Filed: October 2, 2009
    Publication date: November 24, 2011
    Inventor: Benno Gries
  • Publication number: 20110223054
    Abstract: The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.
    Type: Application
    Filed: October 14, 2009
    Publication date: September 15, 2011
    Inventor: Benno Gries
  • Publication number: 20110160036
    Abstract: A formulation of at least one of a partially and a fully stabilized zirconium oxide powder includes at least one organic auxiliary substance wherein a pressing pressure so as to obtain a green density of at least 50% of a theoretical density is 200 MPa or less and a cohesiveness is 0.7 or more.
    Type: Application
    Filed: August 6, 2009
    Publication date: June 30, 2011
    Applicant: H.C. Starck GMBH
    Inventors: Benno Gries, Joerg Laube, Rolf Wagner
  • Publication number: 20100239855
    Abstract: Coated metal cutting tools with reduced adhesion weat and improved thermal resistance, processes for making the same and methods of use.
    Type: Application
    Filed: May 26, 2008
    Publication date: September 23, 2010
    Applicant: H.C. Starck GmbH
    Inventors: Benno Gries, Leo Prakash
  • Publication number: 20100077887
    Abstract: The invention is directed to a formulation containing at least one hard material powder and at least 2 binder metal powders. The formulation is characterized in that the cobalt is completely contained in the first binder metal powder and is prealloyed with one or more elements of groups 3 to 8 of the Periodic Table of the Elements which are elements of the fourth period and at least one further binder metal powder from the group consisting of powders of the elements Fe, Ni, Al, Mn, Cr and alloys of these elements with one another is present and the further binder metal powders do not contain any cobalt in unprealloyed form. The invention further relates to the use of the inventive formulation in a cemented hard material, a porous sintered agglomerate and a thermal spray powder. The invention also relates to a method of controlling the toxic effect of cobalt-containing metal formulation by utilizing the inventive formulation.
    Type: Application
    Filed: January 25, 2008
    Publication date: April 1, 2010
    Applicant: H.C. Starck GmbH
    Inventors: Frank Schrumpf, Benno Gries, Kai-Uwe Clauswitz, Bernd Mende
  • Publication number: 20090285712
    Abstract: The present invention relates to a metal powder mixture that is suitable for producing sintered bodies. The powder mixture is suitable as a binder for hard metals and contains: a) at least one prealloyed powder selected from the group of iron/nickel, iron/cobalt, iron/nickel/cobalt and nickel/cobalt; b) at least one element powder selected from the group of iron, nickel and cobalt or a prealloyed powder selected from the group consisting of iron/nickel, iron/cobalt, iron/nickel/cobalt and nickel/cobalt which is different from component a). The invention also relates to a cemented hard material which uses the inventive powder mixture and a hard material powder, wherein the overall composition of the components a) and b) together contains not more than 90% by weight of cobalt and not more than 70% by weight of nickel and the iron content.
    Type: Application
    Filed: September 21, 2007
    Publication date: November 19, 2009
    Applicant: H.C. Starck GmbH
    Inventors: Benno Gries, Leo Prakash
  • Patent number: 7118635
    Abstract: The invention relates to a method for producing wolfram carbides by gas-phase carburetion of wolfram powders and/or suitable wolfram precursor compounds in powder form at temperatures above 850° C. According to the method a CO2/CO mixture with a CO2 content greater than the Boudouard equilibrium content corresponding to the carburetion temperature is used as carburetion gas phase.
    Type: Grant
    Filed: November 3, 1999
    Date of Patent: October 10, 2006
    Assignee: H. C. Starck GmbH & Co. KG
    Inventors: Gerhard Gille, Benno Gries, Jörg Bredthauer
  • Patent number: 6749663
    Abstract: A process is described for the preparation of tungsten and/or molybdenum metal powder or carbide by reducing and optionally carburizing treatment of tungsten and/or molybdenum oxide powder in the presence of alkali metal compounds, wherein at least two alkali metal compounds are used in a ratio so that mixed alkali tungstate or molybdate potentially formed in an intermediate step ((Li, Na, K)2 WOZ, (Li, Na, K)2MoOZ) has a melting point of less than 550° C., wherein z is from 3 to 4.
    Type: Grant
    Filed: August 30, 2001
    Date of Patent: June 15, 2004
    Assignee: H.C. Starck GmbH
    Inventors: Jörg Bredthauer, Benno Gries, Bernhard Szesny