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).
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Patent number: 11292748Abstract: 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: GrantFiled: June 21, 2018Date of Patent: April 5, 2022Assignee: HÖGANÄS GERMANY GMBHInventor: Benno Gries
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Patent number: 11207730Abstract: 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: GrantFiled: October 12, 2017Date of Patent: December 28, 2021Assignee: HÖGANÄS GERMANY GMBHInventor: Benno Gries
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Patent number: 10695839Abstract: 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: GrantFiled: January 23, 2014Date of Patent: June 30, 2020Assignee: H.H. STARCK SURFACE TECHNOLOGY AND CERAMIC POWDERS GMBHInventors: Benno Gries, Bernhard Bruening
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Patent number: 9919358Abstract: 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: GrantFiled: October 1, 2014Date of Patent: March 20, 2018Assignee: H.C. STARCK GMBHInventor: Benno Gries
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Patent number: 9821372Abstract: 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: GrantFiled: May 24, 2012Date of Patent: November 21, 2017Assignee: H. C. STARCK GMBHInventor: Benno Gries
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Patent number: 9540715Abstract: 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: GrantFiled: September 4, 2012Date of Patent: January 10, 2017Assignee: H. C. STARCK GMBHInventors: Stefan Zimmermann, Benno Gries
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Patent number: 9233419Abstract: The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.Type: GrantFiled: August 16, 2013Date of Patent: January 12, 2016Assignee: H.C. Starck Inc.Inventor: Benno Gries
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Publication number: 20140234548Abstract: 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: ApplicationFiled: September 4, 2012Publication date: August 21, 2014Applicant: H.C. STARCK GMBHInventors: Stefan Zimmermann, Benno Gries
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Publication number: 20140086782Abstract: 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: ApplicationFiled: May 24, 2012Publication date: March 27, 2014Applicant: H.C. STARCK GMBHInventor: Benno Gries
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Publication number: 20140037491Abstract: The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.Type: ApplicationFiled: August 16, 2013Publication date: February 6, 2014Inventor: Benno Gries
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Patent number: 8562715Abstract: The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.Type: GrantFiled: October 14, 2009Date of Patent: October 22, 2013Assignee: H.C. Starck Inc.Inventor: Benno Gries
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Patent number: 8523976Abstract: 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: GrantFiled: September 21, 2007Date of Patent: September 3, 2013Assignee: H.C. Starck GmbHInventors: Benno Gries, Leo Prakash
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Publication number: 20110286877Abstract: 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: ApplicationFiled: October 2, 2009Publication date: November 24, 2011Inventor: Benno Gries
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Publication number: 20110223054Abstract: The invention relates to a process for producing sinterable molybdenum metal powder in a moving bed, sinterable molybdenum powder and its use.Type: ApplicationFiled: October 14, 2009Publication date: September 15, 2011Inventor: Benno Gries
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Publication number: 20110160036Abstract: 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: ApplicationFiled: August 6, 2009Publication date: June 30, 2011Applicant: H.C. Starck GMBHInventors: Benno Gries, Joerg Laube, Rolf Wagner
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Publication number: 20100239855Abstract: Coated metal cutting tools with reduced adhesion weat and improved thermal resistance, processes for making the same and methods of use.Type: ApplicationFiled: May 26, 2008Publication date: September 23, 2010Applicant: H.C. Starck GmbHInventors: Benno Gries, Leo Prakash
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Publication number: 20100077887Abstract: 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: ApplicationFiled: January 25, 2008Publication date: April 1, 2010Applicant: H.C. Starck GmbHInventors: Frank Schrumpf, Benno Gries, Kai-Uwe Clauswitz, Bernd Mende
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Publication number: 20090285712Abstract: 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: ApplicationFiled: September 21, 2007Publication date: November 19, 2009Applicant: H.C. Starck GmbHInventors: Benno Gries, Leo Prakash
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Patent number: 7118635Abstract: 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: GrantFiled: November 3, 1999Date of Patent: October 10, 2006Assignee: H. C. Starck GmbH & Co. KGInventors: Gerhard Gille, Benno Gries, Jörg Bredthauer
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Patent number: 6749663Abstract: 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: GrantFiled: August 30, 2001Date of Patent: June 15, 2004Assignee: H.C. Starck GmbHInventors: Jörg Bredthauer, Benno Gries, Bernhard Szesny