Patents by Inventor Devrim Caliskanoglu
Devrim Caliskanoglu 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: 9855603Abstract: Material and method for the production of material with isotropic, mechanical properties and improved wear resistance and high hardness potential. Method includes producing in a powder metallurgical (PM) method a slug or ingot from a material of ledeburite tool steel alloy, and subjecting one of the slug or ingot or a semi-finished product produced from the slug or ingot to full annealing at a temperature of over 1100° C., but at least 10° C. below the fusing temperature of the lowest melting structure phase with a duration of over 12 hrs. In this manner, an average carbide phase size of the material is increased by at least 65%, a surface shape of the material is rounded and a matrix is homogenized. Method further includes subsequently processing the material into thermally tempered tools with high wear resistance occurs or into parts to which abrasive stress is applied.Type: GrantFiled: May 7, 2013Date of Patent: January 2, 2018Assignee: Boehler Edelstahl GmbH & Co. KGInventors: Gert Kellezi, Devrim Caliskanoglu
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Patent number: 9597742Abstract: A saw blade (1) includes a tooth supporting body (2) and a plurality of teeth (3) being arranged at the tooth supporting body (2). Each of the plurality of teeth (3) includes a tooth tip (8) including a cutting portion (9). The cutting portion (9) and at least another part of the tooth tip (8) of the teeth (3) are made of a steel alloy that has been produced by powder metallurgy and full annealing.Type: GrantFiled: May 7, 2013Date of Patent: March 21, 2017Assignee: WIKUS-SAEGENFABRIK WILHELM H. KULLMANN GMBH & CO. KGInventors: Joerg H. Kullmann, Gert Kellezi, Devrim Caliskanoglu
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Patent number: 9328405Abstract: A machine component or part for alternating mechanical stresses up to a temperature of at most 160° C. The component or part comprises a thermally quenched and tempered steel alloy which contains carbon, silicon, manganese, chromium, molybdenum and vanadium in certain concentrations, the remainder being iron (Fe) and accompanying elements and contaminants due to smelting. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: GrantFiled: November 24, 2009Date of Patent: May 3, 2016Assignee: BOEHLER EDELSTAHL GMBH & CO KGInventors: Ingo Siller, Herbert Schweiger, Devrim Caliskanoglu, Silvia Zinner
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Publication number: 20150292067Abstract: A hot-forming steel alloy comprising, in addition to iron and impurity elements, carbon, silicon, manganese, chromium, molybdenum, vanadium and nitrogen within the concentration ranges set forth in the claims. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: June 25, 2015Publication date: October 15, 2015Applicant: BOEHLER EDELSTAHL GMBH & CO. KGInventors: Ingo SILLER, Herbert SCHWEIGER, Devrim CALISKANOGLU, Silvia ZINNER
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Patent number: 9090949Abstract: The invention relates to a method for the production of tools for a chip-removing machining of metallic materials and to a tool with improved wear resistance and/or high toughness. The invention further provides an alloyed steel with a chemical composition comprising carbon, silicon, manganese, chromium, molybdenum, tungsten, vanadium, and cobalt as well as aluminum, nitrogen, and iron. The alloyed steel may be used to make tools to a hardness of greater than 66 HRC and increased chip-removing machining performance.Type: GrantFiled: October 17, 2011Date of Patent: July 28, 2015Assignee: BOEHLER EDELSTAHL GMBH & CO. KGInventors: Gert Kellezi, Devrim Caliskanoglu, Andreas Baernthaler
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Publication number: 20130298743Abstract: A saw blade (1) includes a tooth supporting body (2) and a plurality of teeth (3) being arranged at the tooth supporting body (2). Each of the plurality of teeth (3) includes a tooth tip (8) including a cutting portion (9). The cutting portion (9) and at least another part of the tooth tip (8) of the teeth (3) are made of a steel alloy that has been produced by powder metallurgy and full annealing.Type: ApplicationFiled: May 7, 2013Publication date: November 14, 2013Inventors: Joerg H. Kullmann, Gert Kellezi, Devrim Caliskanoglu
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Patent number: 8372219Abstract: Gun barrel for firearms made from a deformed material and method for producing the gun barrel material. The material has a chemical composition in % by weight of: Content C Si Mn P S Cr Mo Min 0.28 0.08 0.15 3.6 1.2 Max 0.36 0.26 0.35 0.005 0.002 4.4 1.8 Content Ni V W Ti As + Sn + Sb Fe Min 0.42 Rest Max <0.5 0.5? 0.15 0.08 0.007 and impurities due to smelting. The material has a hardness of at least 46 to 48 HRC.Type: GrantFiled: April 5, 2011Date of Patent: February 12, 2013Assignee: Boehler Edelstahl GmbH & Co. KGInventors: Devrim Caliskanoglu, Herbert Schweiger, Ingo Siller
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Patent number: 8298313Abstract: A cold-forming steel article which comprises an alloy that comprises carbon, manganese, silicon, chromium, molybdenum, vanadium, tungsten and optionally, niobium in certain concentrations, as well as up to about 0.4 wt. % of accompanying elements, remainder iron and contaminants. The article is formed by atomization of a melt and hot isostatic pressing of the resultant powder. The article exhibits a hardness of at least about 60 HRC and a toughness in terms of impact strength of higher than about 50 J. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: GrantFiled: March 5, 2010Date of Patent: October 30, 2012Assignee: Boehler Edelstahl GmbH & Co KGInventors: Gerhard Jesner, Devrim Caliskanoglu
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Publication number: 20120093679Abstract: The invention relates to a method for the production of tools for a chip-removing machining of metallic materials and to a tool with improved wear resistance and/or high toughness. The invention further provides an alloyed steel with a chemical composition comprising carbon, silicon, manganese, chromium, molybdenum, tungsten, vanadium, and cobalt as well as aluminum, nitrogen, and iron. The alloyed steel may be used to make tools to a hardness of greater than 66 HRC and increased chip-removing machining performance.Type: ApplicationFiled: October 17, 2011Publication date: April 19, 2012Applicant: BOEHLER EDELSTAHL GMBH & CO. KGInventors: Gert KELLEZI, Devrim CALISKANOGLU, Andreas BAERNTHALER
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Publication number: 20110253270Abstract: Gun barrel for firearms made from a deformed material and method for producing the gun barrel material. The material has a chemical composition in % by weight of: Content C Si Mn P S Cr Mo Min 0.28 0.08 0.15 3.6 1.2 Max 0.36 0.26 0.35 0.005 0.002 4.4 1.8 Content Ni V W Ti As + Sn + Sb Fe Min 0.42 Rest Max <0.5 0.5? 0.15 0.08 0.007 and impurities due to smelting. The material has a hardness of at least 46 to 48 HRC.Type: ApplicationFiled: April 5, 2011Publication date: October 20, 2011Applicant: BOEHLER EDELSTAHL GMBH & CO. KGInventors: Devrim CALISKANOGLU, Herbert SCHWEIGER, Ingo SILLER
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Patent number: 7851067Abstract: A coated metal article such as, e.g., a tool, which article comprises a body part comprising a substantially carbon-free precipitation-hardened iron-cobalt-molybdenum/tungsten-nitrogen alloy and carries a coating. The coating has been applied by a PVD method and/or a CVD method and comprises a substantially single-phase crystalline, cubic face-centered structure. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: GrantFiled: May 6, 2008Date of Patent: December 14, 2010Assignee: Boehler Edelstahl GmbHInventors: Devrim Caliskanoglu, Christian Mitterer
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Publication number: 20100233500Abstract: A cold-forming steel article which comprises an alloy that comprises carbon, manganese, silicon, chromium, molybdenum, vanadium, tungsten and optionally, niobium in certain concentrations, as well as up to about 0.4 wt. % of accompanying elements, remainder iron and contaminants. The article is formed by atomization of a melt and hot isostatic pressing of the resultant powder. The article exhibits a hardness of at least about 60 HRC and a toughness in terms of impact strength of higher than about 50 J. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: March 5, 2010Publication date: September 16, 2010Applicant: BOEHLER EDELSTAHL GMBH & CO KGInventors: Gerhard JESNER, Devrim CALISKANOGLU
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Publication number: 20100147423Abstract: A machine component or part for alternating mechanical stresses up to a temperature of at most 160° C. The component or part comprises a thermally quenched and tempered steel alloy which comprises carbon, silicon, manganese, chromium, molybdenum and vanadium in certain concentrations, the remainder being iron (Fe) and accompanying elements and contaminants due to smelting. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: November 24, 2009Publication date: June 17, 2010Applicant: BOEHLER EDELSTAHL GMBH & CO. KGInventors: Ingo SILLER, Herbert SCHWEIGER, Devrim CALISKANOGLU, Silvia ZINNER
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Publication number: 20100150772Abstract: A hot-forming steel alloy comprising, in addition to iron and impurity elements, carbon, silicon, manganese, chromium, molybdenum, vanadium and nitrogen within the concentration ranges set forth in the claims. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: November 19, 2009Publication date: June 17, 2010Applicant: BOEHLER EDELSTAHL GMBH & CO. KGInventors: Ingo SILLER, Herbert SCHWEIGER, Devrim CALISKANOGLU, Silvia ZINNER
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Patent number: 7655101Abstract: A steel alloy for cutting tools, wherein the alloy comprises C, Si, Mn, Cr, Mo, W, V, Al, P, S and N within the concentration ranges recited in the claims. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: GrantFiled: October 26, 2007Date of Patent: February 2, 2010Assignee: Boehler Edelstahl GmbHInventors: Ernst Putzgruber, Devrim Caliskanoglu
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Publication number: 20090007992Abstract: A coated metal article such as, e.g., a tool, which article comprises a body part comprising a substantially carbon-free precipitation-hardened iron-cobalt-molybdenum/tungsten-nitrogen alloy and carries a coating. The coating has been applied by a PVD method and/or a CVD method and comprises a substantially single-phase crystalline, cubic face-centered structure. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: May 6, 2008Publication date: January 8, 2009Applicant: BOEHLER EDELSTAHL GMBHInventors: Devrim CALISKANOGLU, Christian Mitterer
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Publication number: 20080101980Abstract: A steel alloy for cutting tools, wherein the alloy comprises C, Si, Mn, Cr, Mo, W, V, Al, P, S and N within the concentration ranges recited in the claims. This abstract is neither intended to define the invention disclosed in this specification nor intended to limit the scope of the invention in any way.Type: ApplicationFiled: October 26, 2007Publication date: May 1, 2008Applicant: BOEHLER EDELSTAHL GmbHInventors: Ernst Putzgruber, Devrim Caliskanoglu