Patents by Inventor Johannes Lorunser
Johannes Lorunser 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: 11433600Abstract: The invention shows a material provision device for a stereolithography apparatus to provide print material (16), in particular a photopolymer, to be cured, wherein the material provision device (10) surrounds an in particular limp material cartridge (12) which receives the print material (16) on all sides and (UV) light-proof, and the material cartridge (12) comprises an outlet (20) via which the print material (16) may be dispensed and which is received in a connection (43) or a spout in the material provision device (10) and is at least partially supported thereon or therein or seals against it.Type: GrantFiled: November 29, 2017Date of Patent: September 6, 2022Assignee: Ivoclar Vivadent AGInventors: Johannes Lorünser, Walter Pokorny, Rudolf Jussel, Jörg Ebert
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Patent number: 11225021Abstract: In a stereolithography apparatus a material provision device for print material (16) to be cured, in particular a photopolymer, is provided. The material provision device (10) receives a material cartridge (12) which in turn receives the print material (16) and surrounds it on all sides. The material cartridge (12) may be connected to an outlet valve unit (20) in a liquid-proof manner via which the print material (16) may be output and which is received at least partially in the material provision device (10) and which is supported at least partially thereon or therein or sealed against it. The outlet valve unit (20) comprises a valve (100) which is opened and closed depending on the relative position, in particular the swiveling position, of material provision device (10) and stereolithography apparatus.Type: GrantFiled: March 15, 2019Date of Patent: January 18, 2022Assignee: Ivoclar Vivadent AGInventors: Walter Pokorny, Jörg Ebert, Johannes Lorünser
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Publication number: 20210170673Abstract: The invention shows a material provision device for a stereolithography apparatus to provide print material (16), in particular a photopolymer, to be cured, wherein the material provision device (10) surrounds an in particular limp material cartridge (12) which receives the print material (16) on all sides and (UV) light-proof, and the material cartridge (12) comprises an outlet (20) via which the print material (16) may be dispensed and which is received in a connection (42) or a spout in the material provision device (10) and is at least partially supported thereon or therein or seals against it.Type: ApplicationFiled: November 29, 2017Publication date: June 10, 2021Inventors: Johannes Lorünser, Walter Pokorny, Rudolf Jussel, Jörg Ebert
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Publication number: 20190283323Abstract: In a stereolithography apparatus a material provision device for print material (16) to be cured, in particular a photopolymer, is provided. The material provision device (10) receives a material cartridge (12) which in turn receives the print material (16) and surrounds it on all sides. The material cartridge (12) may be connected to an outlet valve unit (20) in a liquid-proof manner via which the print material (16) may be output and which is received at least partially in the material provision device (10) and which is supported at least partially thereon or therein or sealed against it. The outlet valve unit (20) comprises a valve (100) which is opened and closed depending on the relative position, in particular the swiveling position, of material provision device (10) and stereolithography apparatus.Type: ApplicationFiled: March 15, 2019Publication date: September 19, 2019Inventors: Walter Pokorny, Jörg Ebert, Johannes Lorünser
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Patent number: 10219881Abstract: The invention relates to a dental furnace comprising a firing hood equipped with a heating device that is movably supported for the opening and closing of the dental furnace relative to a base intended for receiving a dental restoration part, and further comprising a heat detection device that is directed towards an area above the base, in particular towards one or more dental restoration parts, and further comprising a control or regulating device for the dental furnace that is coupled to the heat detection device, wherein the heat detection device is configured as a thermal imaging camera (30) which is directed towards the area above the base while the firing hood (12) is partially or completely opened, and which feeds an at least two-dimensional image in the form of a matrix of the one or more inserted dental restoration parts (60) to the control or regulating device and/or to a muffle (26) that is intended for the generation of the dental restoration parts (60).Type: GrantFiled: October 28, 2016Date of Patent: March 5, 2019Inventors: Gottfried Rohner, Rudolf Jussel, Michael Brotzge, Johannes Lorünser
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Patent number: 10182891Abstract: The invention relates to a dentel device for the treatment of a dental restoration part, comprising at least one operating program, a storage of the dental device and at least one detection device for at least one object. The detection device can detect data of the object and this data, in particular together with an operating program associated with the object, can be stored in a storage of the dental device or can be compared to the data of objects which have been stored in advance in the storage of the dental device. The dental device, depending on the comparison result of the data of a detected object with the data of objects which have been stored in advance in the storage of the dental device, starts the associated operating program or shows it for selection.Type: GrantFiled: January 24, 2013Date of Patent: January 22, 2019Assignee: Ivoclar Vivadent AGInventors: Michael Brotzge, Johannes Lorünser, Robert Grünenfelder, Philipp Kettner
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Patent number: 10123859Abstract: The invention relates to a firing furnace or press furnace for dental restoration parts, having a control device for the control of the furnace on the basis of at least one firing/press program; a display device, at least for displaying operating instructions based on symbolic representations; an input device, at least for selecting a firing/press program; wherein the control device is configured to be able to switch the furnace after selection of a control program to a security mode in which it displays one or several operating instructions and in which the input of firing or press parameters of the control program and/or the selection of a firing or press program is disabled.Type: GrantFiled: October 10, 2013Date of Patent: November 13, 2018Assignee: Ivoclar Vivadent AGInventors: Michael Brotzge, Johannes Lorünser
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Patent number: 9579171Abstract: A process for manufacturing a dental restoration part as well as a dental furnace are provided in which the dental restoration part is produced on a foundation by means of applying at least two layers, wherein initial data, in particular three-dimensional data of the foundation, are stored in a memory device, and picture data, in particular three-dimensional data concerning the outer contour of the dental restoration part to be produced and the layers of the dental restoration part to be applied, are determined and in particular stored. It is provided that the dental restoration part is positioned at least partially during its production within the picture recording area of a picture recording device (30), and that before finishing the dental restoration part (20) and upon the application of at least one layer, the latter is recorded at least with regards to the thickness of the layer and/or its color, is displayed in particular via a display device (16).Type: GrantFiled: October 24, 2013Date of Patent: February 28, 2017Assignee: Ivoclar Vivadent AGInventors: Johannes Lorünser, Michael Brotzge, Robert Grünenfelder, Philipp Kettner
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Publication number: 20160220338Abstract: The invention relates to a firing furnace or press furnace for dental restoration parts, comprising: a control device for the control of the furnace (10) on the basis of at least one firing/press program; a display device (18), at least for displaying operating instructions based on symbolic representations; an input device (20), at least for selecting a firing/press program; wherein the control device is configured to be able to switch the furnace (10) after selection of a control program to a security mode in which it displays one or several operating instructions and in which the input of firing or press parameters of the control program and/or the selection of a firing or press program is disabled.Type: ApplicationFiled: October 10, 2013Publication date: August 4, 2016Applicant: Ivoclar Vivadent AGInventors: Michael Brotzge, Johannes Lorünser
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Publication number: 20150238288Abstract: A process for manufacturing a dental restoration part as well as a dental furnace are provided in which the dental restoration part is produced on a foundation by means of applying at least two layers, wherein initial data, in particular three-dimensional data of the foundation, are stored in a memory device, and picture data, in particular three-dimensional data concerning the outer contour of the dental restoration part to be produced and the layers of the dental restoration part to be applied, are determined and in particular stored. It is provided that the dental restoration part is positioned at least partially during its production within the picture recording area of a picture recording device (30), and that before finishing the dental restoration part (20) and upon the application of at least one layer, the latter is recorded at least with regards to the thickness of the layer and/or its color, is displayed in particular via a display device (16).Type: ApplicationFiled: October 24, 2013Publication date: August 27, 2015Inventors: Johannes Lorünser, Michael Brotzge, Robert Grünenfelder, Philipp Kettner
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Publication number: 20140336805Abstract: The invention relates to a dentel device for the treatment of a dental restoration part, comprising at least one operating program, a storage of the dental device and at least one detection device for at least one object. The detection device can detect data of the object and this data, in particular together with an operating program associated with the object, can be stored in a storage of the dental device or can be compared to the data of objects which have been stored in advance in the storage of the dental device. The dental device, depending on the comparison result of the data of a detected object with the data of objects which have been stored in advance in the storage of the dental device, starts the associated operating program or shows it for selection.Type: ApplicationFiled: January 24, 2013Publication date: November 13, 2014Inventors: Michael Brotzge, Johannes Lorünser, Robert Grünenfelder, Philipp Kettner
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Publication number: 20090225806Abstract: The invention relates to a dental furnace with a heating chamber, with at least two heating elements acting on the heating chamber and one control apparatus, which interacts with the heating elements, for the voltage supply to the heating elements. The control apparatus (22) supplies at least two heating elements (12) separately with voltage. In addition, the control apparatus (22) matches the power output of at least one heating element (12) to the requirements of the temperature distribution in the heating chamber (30).Type: ApplicationFiled: April 16, 2009Publication date: September 10, 2009Inventors: Johannes Lorunser, Gottfried Rohner, Alex Mauerhofer
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Patent number: 6384382Abstract: An oven particularly suitable for dental materials is provided with a firing plate on which a calibration apparatus can be removably located. The calibration apparatus includes a meltable element whose melting is detectable by a detecting device. The calibration apparatus is additionally provided with a control device. The firing plate includes a device for receiving therein the calibration apparatus including a non-electrically conducting support for supporting two electrically conducting contact posts of the calibration apparatus.Type: GrantFiled: January 3, 2001Date of Patent: May 7, 2002Assignee: Ivoclar AGInventors: Gottfried Rohner, Johannes Lorunser, Horst Ulbricht
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Patent number: 6303059Abstract: A method of controlling an oven for producing tooth replacement components. An electric motor moves a piston that acts upon a moldable restoration material. The restoration material is introduced into a muffle oven having an oven hood that can be removed from the muffle. The compactibility curve is established as a function of the type of dental material utilized. Immediately after conclusion of the mold time, the motor is turned off and the oven hood is removed.Type: GrantFiled: March 24, 2000Date of Patent: October 16, 2001Assignee: Ivoclar A.G.Inventors: Hans-Peter Foser, Gottfried Rohner, Wolfram Holand, Marcel Schweiger, Johannes Lorunser, Horst Ulbricht
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Publication number: 20010017295Abstract: An oven particularly suitable for dental materials is provided with a firing plate on which a calibration apparatus can be removably located. The calibration apparatus includes a meltable element whose melting is detectable by a detecting device. The calibration apparatus is additionally provided with a control device. The firing plate includes a device for receiving therein the calibration apparatus including a non-electrically conducting support for supporting two electrically conducting contact posts of the calibration apparatus.Type: ApplicationFiled: January 3, 2001Publication date: August 30, 2001Applicant: Ivoclar AGInventors: Gottfried Rohner, Johannes Lorunser, Horst Ulbricht
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Patent number: 6180922Abstract: A muffle furnace for producing dental prosthesis has a muffle into which dental material is placed and a drive to which a piston is connected. The piston is moveable by the drive into the muffle to apply pressure onto the dental material. A pressure sensing device for measuring pressure applied to the dental material is provided. The pressure sensing device has a pressure sensor and a deformation member having a first side and a second side. The first side of the deformation member is subjected to a counter force of the piston and the second side of the deformation member is fixedly attached to the muffle furnace.Type: GrantFiled: September 8, 1999Date of Patent: January 30, 2001Assignee: Ivoclar A.G.Inventors: Gottfried Rohner, Johannes Lorunser, Horst Ulbricht
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Patent number: D750113Type: GrantFiled: June 5, 2013Date of Patent: February 23, 2016Assignee: IVOCLAR VIVADENT AGInventors: Philipp Kettner, Robert Grünenfelder, Michael Brotzge, Johannes Lorünser
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Patent number: D750114Type: GrantFiled: June 5, 2013Date of Patent: February 23, 2016Assignee: IVOCLAR VIVADENT AGInventors: Philipp Kettner, Robert Grünenfelder, Michael Brotzge, Johannes Lorünser
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Patent number: D750115Type: GrantFiled: June 5, 2013Date of Patent: February 23, 2016Assignee: IVOCLAR VIVADENT AGInventors: Philipp Kettner, Robert Grünenfelder, Michael Brotzge, Johannes Lorünser
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Patent number: D759704Type: GrantFiled: June 5, 2013Date of Patent: June 21, 2016Assignee: IVOCLAR VIVADENT AGInventors: Philipp Kettner, Robert Grünenfelder, Michael Brotzge, Johannes Lorünser