Patents by Inventor Evelin Weiss
Evelin Weiss 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: 11724960Abstract: A transparent colored glass ceramic, in particular an LAS glass ceramic, suitable for use as a cooking surface is provided. The transparent colored glass ceramic includes high-quartz solid solution (HQ s.s.) as a main crystal phase and exhibits thermal expansion of ?1 to +1 ppm/Kin the range from 20° C. to 700° C. The glass ceramic has from 3.0 to 3.6 percent by weight of lithium oxide (Li2O) as constituents and either is colored with 0.003 to 0.05 percent by weight of vanadium oxide (V2O5) or is colored with 0.003 to 0.25 percent by weight of molybdenum oxide (MoO3).Type: GrantFiled: June 22, 2021Date of Patent: August 15, 2023Assignee: SCHOTT AGInventors: Evelin Weiss, Meike Schneider, Oliver Hochrein, Friedrich Siebers, Roland Dudek, Martin Mueller, Matthias Bockmeyer, Birgit Doerk
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Publication number: 20230100027Abstract: A lithium aluminum silicate glass ceramic, which, apart from unavoidable impurities, is As2O3-free and Sb2O3-free. The lithium aluminum silicate glass ceramic has keatite as primary crystal phase and a keatite peak temperature TP of the keatite solid solution formation in the range of 980° C. to 1090° C., and the keatite peak temperature TP is determined by dynamic differential calorimetry (DSC) in accordance with DIN 51007:2019-04 at a heating rate of 5 K/min. A ceramization method is also described.Type: ApplicationFiled: August 25, 2022Publication date: March 30, 2023Applicant: SCHOTT AGInventors: Hüseyin Özcoban, Evelin Weiss, Susanne Krüger, Uwe Martens, Friedrich Siebers, Thoralf Johansson
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Publication number: 20230002271Abstract: A product having a transparent volume-coloured glass-ceramic is provided. The glass-ceramic includes, based on oxide, 58-72% by weight SiO2, 16-26% by weight Al2O3, 1.0-5.5% by weight Li2O, 2.0-<4.0% by weight TiO2, 0-<2.0 by weight ZnO, and 0.005-0.12% by weight MoO3, and where the glass-ceramic, based on a thickness of 4 mm, has a luminous transmittance ?vis of 0.5%-3.5%, and where the glass-ceramic has the property that after passage through the glass-ceramic, based on a thickness of 4 mm, light of the standard illuminant D65 has a colour locus in the white region A1 that in the CIExyY-2° chromaticity diagram is defined by the following coordinates: A1 0.3 0.27 0.28 0.315 0.35 0.38 0.342 0.31 0.3 0.27.Type: ApplicationFiled: June 29, 2022Publication date: January 5, 2023Applicant: SCHOTT AGInventors: Evelin Weiss, Klaus Schönberger, Johannes Stinner, Matthias Bockmeyer, Philipp Langer, Reiner Best
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Patent number: 11365889Abstract: A fitout article or article of equipment for a kitchen or laboratory is provided. The article has a lighting and separating element. The separating element in a region of the lighting element has light transmittance of at least 0.1% and less than 12%. The lighting element in the interior emits light that passes through the separating element and to the exterior. The separating element has a glass or glass-ceramic substrate having a CTE of ?6 to 6 ppm/K and has a colour locus in the CIELAB colour space with the coordinates L* of 20 to 40, a* of ?6 to 6 and b* of ?6 to 6. D65 standard illuminant light, after passing through the separating element, is within a white region W1 determined in the chromaticity diagram CIExyY?2° by the following coordinates: White region W1 x y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 ?0.29.Type: GrantFiled: May 2, 2021Date of Patent: June 21, 2022Assignee: SCHOTT AGInventors: Evelin Weiss, Matthias Bockmeyer, Birgit Dörk, Friedrich Siebers, Christian Henn
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Publication number: 20210403365Abstract: Sheet-like glass ceramic article are provided that include surfaces with a thickness between the surfaces between 0.5 mm and 1.9 mm and a core. The articles have a first microstructure provided on each of the surfaces and have a second microstructure in the core with a second thickness (d2). The first microstructures extend inwardly from the surfaces towards the core and has a first thickness (d1). The first microstructure has a difference from the second microstructure selected from a group consisting of: a crystalline phase type, a crystalline phase amount, crystalline phase size distribution, crystalline phase orientation, crystalline phases composition, crystalline inclusion, an amorphous phase type, an amorphous phase percentage amount, an amorphous phase composition, and any combinations thereof. The difference results in a first coefficient of linear thermal expansion of the first microstructure that is smaller than a second coefficient of linear thermal expansion of the second microstructure.Type: ApplicationFiled: June 30, 2021Publication date: December 30, 2021Applicant: SCHOTT AGInventors: Falk Gabel, Roland Dudek, Evelin Weiss
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Patent number: 11160370Abstract: A glass-ceramic cooktop is provided that is made of glass-ceramic material with a flat upper side and an underside. The glass-ceramic material has transmittance values of greater than 0.1% in the visible light range in the total wavelength region greater than 420 nm, a light transmittance in the visible range of 0.8-2.5%, and a transmittance of 0-85% in the infrared at 1600 nm, and wherein the glass-ceramic material has high quartz mixed crystals as the prevalent crystal phase. The underside is flat, unstructured, and coplanar with the upper side.Type: GrantFiled: July 23, 2018Date of Patent: November 2, 2021Assignee: SCHOTT AGInventors: Birgit Doerk, Evelin Weiss, Thomas Zenker, Ulf Hoffmann, Silke Knoche, Martin Taplan, Friedrich Siebers, Thomas Kraus, Lutz Klippe, Wolfgang Schmidbauer
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Publication number: 20210317033Abstract: A transparent colored glass ceramic, in particular an LAS glass ceramic, suitable for use as a cooking surface is provided. The transparent colored glass ceramic includes high-quartz solid solution (HQ s.s.) as a main crystal phase and exhibits thermal expansion of ?1 to +1 ppm/Kin the range from 20° C. to 700° C. The glass ceramic has from 3.0 to 3.6 percent by weight of lithium oxide (Li2O) as constituents and either is colored with 0.003 to 0.05 percent by weight of vanadium oxide (V2O5) or is colored with 0.003 to 0.25 percent by weight of molybdenum oxide (MoO3).Type: ApplicationFiled: June 22, 2021Publication date: October 14, 2021Applicant: SCHOTT AGInventors: Evelin Weiss, Meike Schneider, Oliver Hochrein, Friedrich Siebers, Roland Dudek, Martin Mueller, Matthias Bockmeyer, Birgit Doerk
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Patent number: 11136262Abstract: A fitout article or article of equipment for a kitchen or laboratory is provided. The article has a display device, a separating element, and a covering. The covering is on an interior side of the separating element and has a cutout at the separating element. The separating element has a light transmittance of at least 5% and at most 70%. The covering has light transmittance of at most 7% and a colour locus in the CIELAB colour space with coordinates L* of 20 to 40, a* of ?6 to 6 and b* of ?6 to 6, and the colour locus of D65 standard illuminant light, after passing through the substrate, is within a white region W1 determined in the chromaticity diagram CIExyY-2° by the coordinates: White region W1 x Y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 0.29.Type: GrantFiled: December 21, 2018Date of Patent: October 5, 2021Assignee: SCHOTT AGInventors: Evelin Weiss, Matthias Bockmeyer, Birgit Dörk, Friedrich Siebers, Christian Henn
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Publication number: 20210254836Abstract: A fitout article or article of equipment for a kitchen or laboratory is provided. The article has a lighting and separating element. The separating element in a region of the lighting element has light transmittance of at least 0.1% and less than 12%. The lighting element in the interior emits light that passes through the separating element and to the exterior. The separating element has a glass or glass-ceramic substrate having a CTE of ?6 to 6 ppm/K and has a colour locus in the CIELAB colour space with the coordinates L* of 20 to 40, a* of ?6 to 6 and b* of ?6 to 6. D65 standard illuminant light, after passing through the separating element, is within a white region W1 determined in the chromaticity diagram CIExyY?2° by the following coordinates: White region W1 x y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 ?0.29.Type: ApplicationFiled: May 2, 2021Publication date: August 19, 2021Applicant: SCHOTT AGInventors: Evelin Weiss, Matthias Bockmeyer, Birgit Dörk, Friedrich Siebers, Christian Henn
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Patent number: 11072557Abstract: A transparent colored glass ceramic, in particular an LAS glass ceramic, suitable for use as a cooking surface is provided. The transparent colored glass ceramic includes high-quartz solid solution (HQ s.s.) as a main crystal phase and exhibits thermal expansion of ?1 to +1 ppm/K in the range from 20° C. to 700° C. The glass ceramic has from 3.0 to 3.6 percent by weight of lithium oxide (Li2O) as constituents and either is colored with 0.003 to 0.05 percent by weight of vanadium oxide (V2O5) or is colored with 0.003 to 0.25 percent by weight of molybdenum oxide (MoO3).Type: GrantFiled: December 20, 2018Date of Patent: July 27, 2021Assignee: SCHOTT AGInventors: Evelin Weiss, Meike Schneider, Oliver Hochrein, Friedrich Siebers, Roland Dudek, Martin Mueller, Matthias Bockmeyer, Birgit Doerk
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Patent number: 11059739Abstract: A sightglass for a stove is provided that has a substrate made of transparent coloured lithium aluminium silicate glass ceramic. The sightglass has a light transmittance of 0.1% to 50%. Standard illuminant D65 light, after passing through the glass ceramic, at a thickness of 4 mm, has a colour locus in the white region W1 determined by the following coordinates in the chromaticity diagram CIExyY-2°: White region W1 x y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 ?0.29.Type: GrantFiled: December 21, 2018Date of Patent: July 13, 2021Assignee: SCHOTT AGInventors: Matthias Wolfinger, Falk Gabel, Friedrich Siebers, Evelin Weiss, Matthias Bockmeyer, Oliver Hochrein
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Patent number: 10995961Abstract: A fitout article or article of equipment for a kitchen or laboratory is provided. The article has a lighting and separating element. The separating element in a region of the lighting element has light transmittance of at least 0.1% and less than 12%. The lighting element in the interior emits light that passes through the separating element and to the exterior. The separating element has a glass or glass-ceramic substrate having a CTE of 0 to 6 ppm/K and has a colour locus in the CIELAB colour space with the coordinates L* of 20 to 40, a* of ?6 to 6 and b* of ?6 to 6. D65 standard illuminant light, after passing through the separating element, is within a white region W1 determined in the chromaticity diagram CIExyY?2° by the following coordinates: White region W1 x y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 0.29.Type: GrantFiled: December 21, 2018Date of Patent: May 4, 2021Assignee: SCHOTT AGInventors: Evelin Weiss, Matthias Bockmeyer, Birgit Dörk, Friedrich Siebers, Christian Henn
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Patent number: 10788219Abstract: A cooktop with a graphical display device is provided. The cooktop includes a glass ceramic substrate with a dead-front effect in which lightness differences in the display area and in particular differences between the latter and the adjacent areas of the cooktop are not visible for a user from the exterior. The cooktop has a glass or glass ceramic substrate and a display device with a display surface for displaying information by emission of light, wherein the display device is in the interior of the cooktop or cooking appliance such that light emitted from the display surface passes through the glass or glass ceramic substrate and is perceptible by a user in the exterior.Type: GrantFiled: December 22, 2017Date of Patent: September 29, 2020Assignee: SCHOTT AGInventors: Martin Mueller, Thomas Zenker, Gerold Ohl, Matthias Bockmeyer, Evelin Weiss
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Patent number: 10562808Abstract: A highly crystalline transparent, translucent or opaque lithium aluminium silicate (LAS) glass-ceramic which has a proportion of residual glass phase of less than 20% by weight and also the use thereof is described.Type: GrantFiled: November 6, 2015Date of Patent: February 18, 2020Assignee: SCHOTT AGInventors: Friedrich Siebers, Bernd Ruedinger, Falk Gabel, Evelin Weiss
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Patent number: 10556827Abstract: A product is provided that includes a volume-colored monolithic glass or glass ceramic element and to a method for producing same. The glass or glass ceramic element has a first region in which the coloration is modified so that light transmission of the first region differs from light transmission of a second, adjacent region. The light scattering in the region of modified coloration in the glass or glass ceramic remains the same as light scattering in the second, adjacent region with non-modified light transmission.Type: GrantFiled: October 15, 2015Date of Patent: February 11, 2020Assignee: SCHOTT AGInventors: Bernd Hoppe, Martin Spier, Daniela Seiler, Evelin Weiss
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Patent number: 10425994Abstract: A volume-colored monolithic glass ceramic cooking plate is provided. The plate includes a first zone in which the coloration of the glass ceramic differs from that of a second, adjacent zone, so that an absorption coefficient of the first zone is lower than the absorption coefficient of the second, adjacent zone and so that integral light transmission in the visible spectral range is greater in the first zone than the integral light transmission of the second, adjacent zone. The light scattering in the glass ceramic of the first zone differs from light scattering in the glass ceramic of the second zone by not more than 20 percentage points, preferably by not more than 5 percentage points.Type: GrantFiled: April 15, 2014Date of Patent: September 24, 2019Assignee: SCHOTT AGInventors: Evelin Weiss, Bernd Hoppe, Martin Spier, Daniela Seiler
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Publication number: 20190195510Abstract: A fitout article or article of equipment for a kitchen or laboratory is provided. The article has a lighting and separating element. The separating element in a region of the lighting element has light transmittance of at least 0.1% and less than 12%. The lighting element in the interior emits light that passes through the separating element and to the exterior. The separating element has a glass or glass-ceramic substrate having a CTE of 0 to 6 ppm/K and has a colour locus in the CIELAB colour space with the coordinates L* of 20 to 40, a* of ?6 to 6 and b* of ?6 to 6. D65 standard illuminant light, after passing through the separating element, is within a white region W1 determined in the chromaticity diagram CIExyY?2° by the following coordinates: White region W1 x y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 0.29.Type: ApplicationFiled: December 21, 2018Publication date: June 27, 2019Applicant: SCHOTT AGInventors: Evelin Weiss, Matthias Bockmeyer, Birgit Dörk, Friedrich Siebers, Christian Henn
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Publication number: 20190194061Abstract: A fitout article or article of equipment for a kitchen or laboratory is provided. The article has a display device, a separating element, and a covering. The covering is on an interior side of the separating element and has a cutout at the separating element. The separating element has a light transmittance of at least 5% and at most 70%. The covering has light transmittance of at most 7% and a colour locus in the CIELAB colour space with coordinates L* of 20 to 40, a* of ?6 to 6 and b* of ?6 to 6, and the colour locus of D65 standard illuminant light, after passing through the substrate, is within a white region W1 determined in the chromaticity diagram CIExyY-2° by the coordinates: White region W1 x Y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 0.29.Type: ApplicationFiled: December 21, 2018Publication date: June 27, 2019Applicant: Schott AGInventors: Evelin WEISS, Matthias Bockmeyer, Birgit Dörk, Friedrich Siebers, Christian Henn
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Publication number: 20190194062Abstract: A sightglass for a stove is provided that has a substrate made of transparent coloured lithium aluminium silicate glass ceramic. The sightglass has a light transmittance of 0.1% to 50%. Standard illuminant D65 light, after passing through the glass ceramic, at a thickness of 4 mm, has a colour locus in the white region W1 determined by the following coordinates in the chromaticity diagram CIExyY-2°: White region W1 x y 0.27 0.21 0.22 0.25 0.32 0.37 0.45 0.45 0.47 0.34 0.36 ?0.29.Type: ApplicationFiled: December 21, 2018Publication date: June 27, 2019Applicant: SCHOTT AGInventors: Matthias WÖLFINGER, Falk GABEL, Friedrich SIEBERS, Evelin WEISS, Matthias BOCKMEYER, Oliver HOCHREIN
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Patent number: RE48575Abstract: A display device in particular for cooktops is provide that has a glass ceramic with a front side and a back side and a lamp arranged in the area of the back side. The display device further includes an optical compensation filter arranged between the front side and the lamp so as to implement any color impressions easily and inexpensively and in a preselectable manner.Type: GrantFiled: October 24, 2018Date of Patent: June 1, 2021Assignee: SCHOTT AGInventors: Evelin Weiss, Gerold Ohl, Thomas Zenker, Martin Taplan