Patents by Inventor Ruediger Freitag
Ruediger Freitag 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: 9789666Abstract: The present disclosure relates to bullet-resistant laminated glass having at least three sheets of glass. One of the sheets of glass faces the impact side as a cover sheet, and one sheet of glass is formed as a closure sheet facing away from the impact side. Between the cover sheet and the closure sheet, one or more intermediate sheets are disposed, these sheets of glass being connected to each other by composite layers. The composite layers are formed by flexible and dimensionally unstable films and/or cast compounds. The composite layers do not consist of polycarbonate, polyurethane or polymethylmethacrylate. In order to prevent splinter output on the rear side, this glass composite has a closure sheet on the rear side consisting of thermally or chemically prestressed glass.Type: GrantFiled: June 12, 2013Date of Patent: October 17, 2017Assignee: SCHOTT AGInventors: Gerrit Panzner, Ruediger Freitag, Georg Neupert, Gerhard Lautenschlaeger
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Publication number: 20150165730Abstract: The present disclosure relates to bullet-resistant laminated glass having at least three sheets of glass. One of the sheets of glass faces the impact side as a cover sheet, and one sheet of glass is formed as a closure sheet facing away from the impact side. Between the cover sheet and the closure sheet, one or more intermediate sheets are disposed, these sheets of glass being connected to each other by composite layers. The composite layers are formed by flexible and dimensionally unstable films and/or cast compounds. The composite layers do not consist of polycarbonate, polyurethane or polymethylmethacrylate. In order to prevent splinter output on the rear side, this glass composite has a closure sheet on the rear side consisting of thermally or chemically prestressed glass.Type: ApplicationFiled: June 12, 2013Publication date: June 18, 2015Applicant: SCHOTT AGInventors: Gerrit Panzner, Ruediger Freitag, Georg Neupert, Gerhard Lautenschlaeger
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Patent number: 8597777Abstract: The transparent fire-resistant glazing has at least two glass or glass ceramic panes with a gap between them, which is filled with a UV-cured material. It is made by curing a UV-curable material filling the gap with UV radiation. The UV-curable material includes polymerizable components, namely a monomer with acrylate functionality and an oligomer, and at least one bromine-containing flame retardant. The fire retardant can be a polybrominated diphenyl ether, a brominated alcohol, or a polybrominated cycloalkane, and/or a mixtures thereof. The glazing is made by a process in which the panes are cleaned and masked to form the gap between them, the UV-curable material is filled into the gap and then cured with the UV radiation.Type: GrantFiled: June 4, 2012Date of Patent: December 3, 2013Assignee: Schott AGInventors: Jens Klossek, Ruediger Freitag, Klaus-Dieter Schwabe, Stefan Meinhardt
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Publication number: 20120251804Abstract: The transparent fire-resistant glazing has at least two glass or glass ceramic panes with a gap between them, which is filled with a UV-cured material. It is made by curing a UV-curable material filling the gap with UV radiation. The UV-curable material includes polymerizable components, namely a monomer with acrylate functionality and an oligomer, and at least one bromine-containing flame retardant. The fire retardant can be a polybrominated diphenyl ether, a brominated alcohol, or a polybrominated cycloalkane, and/or a mixtures thereof. The glazing is made by a process in which the panes are cleaned and masked to form the gap between them, the UV-curable material is filled into the gap and then cured with the UV radiation.Type: ApplicationFiled: June 4, 2012Publication date: October 4, 2012Inventors: Jens Klossek, Ruediger Freitag, Klaus-Dieter Schwabe, Stefan Meinhardt
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Patent number: 8211532Abstract: The transparent fire-resistant glazing has at least two glass or glass ceramic panes with a gap between them, which is filed with a UV-cured material made by curing a UV-curable material with UV radiation. The UV-curable material includes at least one bromine-containing flame retardant, which is a polybrominated diphenyl ether, a brominated alcohol, or a polybrominated cycloalkane, and/or a mixtures thereof. The glazing is made by a process in which the panes are cleaned and masked so that there is a gap between them, the UV-curable material is filled into the gap and then cured with UV radiation.Type: GrantFiled: October 27, 2009Date of Patent: July 3, 2012Assignee: Schott AGInventors: Jens Klossek, Ruediger Freitag, Klaus-Dieter Schwabe, Stefan Meinhardt
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Publication number: 20110256390Abstract: The invention relates to transparent fire-resistant glass elements made from at least two panes, wherein a layer made from a UV-curable material is arranged between each of said panes, to a method for the production thereof and to the use thereof as multiple glass elements in mobile units such as doors and windows or fixed as elements of walls or façades.Type: ApplicationFiled: October 27, 2009Publication date: October 20, 2011Inventors: Jens Klossek, Ruediger Freitag, Klaus-Dieter Schwabe, Stefan Meinhardt
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Patent number: 7802629Abstract: The invention relates to a fire protection system consisting of a first fire protection barrier in the form of a fire protection glass pane provided with preferably monolithic glass panels (1), and a device (2) for spraying water in the form of a water spray haze (7), in front of the fire protection glass pane. The inventive fire protection system ensures, in the event of a fire, that an additional transparent fire protection barrier is provided, that heat and smoke in the room (4) swept through by the fire mix together, and that exposed escape routes, inter alia, are thus protected from dangerous heat radiation (9). The inventive fire protection system can be used in very different fields of application, e.g. for interior glass panes or screens.Type: GrantFiled: February 17, 2005Date of Patent: September 28, 2010Assignees: Schott AG, Forteg Brandschutz GmbH & Co. KGInventors: Ruediger Freitag, Gerrit Panzner, Jens Klossek, Ruediger Kopp
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Publication number: 20080190626Abstract: The invention relates to a fire protection system consisting of a first fire protection barrier in the form of a fire protection glass pane provided with preferably monolithic glass panels (1), and a device (2) for spraying water in the form of a water spray haze (7), in front of the fire protection glass pane. The inventive fire protection system ensures, in the event of a fire, that an additional transparent fire protection barrier is provided, that heat and smoke in the room (4) swept through by the fire mix together, and that exposed escape routes, inter alia, are thus protected from dangerous heat radiation (9). The inventive fire protection system can be used in very different fields of application, e.g. for interior glass panes or screens.Type: ApplicationFiled: February 17, 2005Publication date: August 14, 2008Applicants: SCHOTT AG, FOGTEC BRANDSCHUTZ GMBH & CO. KGInventors: Ruediger Freitag, Gerrit Panzner, Jens Klossek, Ruediger Kopp
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Publication number: 20080098675Abstract: The fire-resistant window of fire resistance class E according to DIN EN 357 has a window frame system (1, 6) and at least one thermally or chemically pre-stressed monolithic fire-resistant glass pane (2) mounted in the window frame system (1, 6). The at least one thermally or chemically pre-stressed monolithic fire-resistant glass pane (2) is made of a high-temperature-melting aluminosilicate glass with a softening point (log ?=7.6) above 875° C., wherein ? is the viscosity, and with a bending strength of over 100 N/mm2. The glass pane (2) is also substantially impermeable to ultraviolet radiation.Type: ApplicationFiled: October 22, 2007Publication date: May 1, 2008Inventors: Klaus-Dieter Schwabe, Ruediger Freitag, Gerrit Panzner, Jens Klossek, Markus Ring, Klaus Schneider, Gerhard Lautenschlaeger, Friedrich Siebers