Patents by Inventor Axel Bunk
Axel Bunk 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: 7911121Abstract: The invention relates to an incandescent lamp (1) which is provided with an illuminant (7) which is inserted in a bulb (2) together with a filling in a vacuum-tight manner, the illuminant (7) comprising a metal carbide that has a melting point above that of tungsten. The bulb also comprises a source and a sink for a material of which the illuminant is depleted during use.Type: GrantFiled: October 18, 2005Date of Patent: March 22, 2011Assignee: OSRAM Gesellschaft mit beschraenkter HaftungInventors: Axel Bunk, Matthias Damm, Georg Rosenbauer
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Publication number: 20100187969Abstract: Luminous body for an incandescent lamp and method for producing such a luminous body. A wire for a luminous body is used whose diameter increases from the outside in. The production method is based either on a deposition method or a metal-removal method.Type: ApplicationFiled: July 20, 2007Publication date: July 29, 2010Inventors: Axel Bunk, Christa Bunk, Stefan Oskar Axel Bunk, Maximillian Rasso Herbert Bunk, Ludwig Johannes Christian Bunk, Matthias Damm, Georg Rosenbauer
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Publication number: 20100156289Abstract: The invention relates to an incandescent lamp having a carbide-containing luminous element and current supplies holding the luminous element. A luminous element is introduced into a bulb together with a filling in a vacuum-tight manner, the luminous element having a metal carbide the melting point of which is preferably above that of tungsten, and the luminous element being helical. The luminous element has a core wire and a wrapped filament and is constituted of various materials and contains a metal carbide.Type: ApplicationFiled: April 26, 2007Publication date: June 24, 2010Applicant: Osram Gesellschaft Mit Beschrankter HaftungInventors: Axel Bunk, Matthias Damm, Georg Rosenbauer, Christa Bunk, Ludwig Bunk, Maximilian Bunk, Stefan Bunk
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Publication number: 20090051287Abstract: A reflector lamp, in particular a halogen reflector lamp, has a light-transmitting lamp vessel, in which at least one luminous member is accommodated, at least one vessel section of the lamp vessel being provided with a reflective coating. According to the invention, the reflective coating has an interference filter, which is substantially impervious to light in the visible wavelength range and has defined transmission and reflection properties for light in the infrared wavelength range.Type: ApplicationFiled: September 13, 2006Publication date: February 26, 2009Inventors: Axel Bunk, Christa Bunk, Frank Glockler, Christoph Krieglmeyer
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Publication number: 20090045742Abstract: The invention relates to an incandescent lamp (1) which is provided with an illuminant (7) which is inserted in a bulb (2) together with a filling in a vacuum-tight manner, the illuminant (7) comprising a metal carbide that has a melting point above that of tungsten. The bulb also comprises a source and a sink for a material of which the illuminant is depleted during use.Type: ApplicationFiled: October 18, 2005Publication date: February 19, 2009Inventors: Axel Bunk, Matthias Damm, Georg Rosenbauer
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Publication number: 20080246401Abstract: An electric lamp with a fuse seal, which seals off the lamp bulb, a metal seal with power supply wires and feed lines being provided in the fuse seal, and the metal seal with power supply wires and feed lines being provided with a structure, which has been produced by a laser.Type: ApplicationFiled: March 27, 2008Publication date: October 9, 2008Applicant: OSRAM Gesellschaft mit beschrankter HaftungInventors: Axel Bunk, Christa Bunk, Heinz Lang, Georg Rosenbauer, Matthias Damm
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Patent number: 7402952Abstract: The incandescent lamp, which uses a carbon cycle process, is equipped with a luminous body which, together with a fill, is introduced in a vacuum-tight manner into a bulb, the luminous body including a metal carbide, the melting point of which is above that of tungsten. The distance between the luminous body and the wall of the bulb is less than 18 mm, with a first cycle process, which is attributed to the carbon, being effected by the use of carbon and hydrogen as fill additive, and a second cycle process, which is attributed to the metal, being effected by the use of halogen.Type: GrantFiled: November 19, 2004Date of Patent: July 22, 2008Assignee: Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbHInventors: Axel Bunk, Matthias Damm, Georg Rosenbauer, Joachim Werner
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Publication number: 20080122355Abstract: A light bulb (1), equipped with an illumination body (7), which is enclosed together with a filler (2) in a vacuum in a bulb. The illumination body (7) includes a metal carbide, whose melting point lies above that of tungsten. The bulb also contains carbon, hydrogen and fluorine, preferably in combination.Type: ApplicationFiled: December 1, 2005Publication date: May 29, 2008Applicant: PATENT TREUHAND GESELLSCHAFTInventors: Axel Bunk, Matthias Damm, Georg Rosenbauer
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Publication number: 20080106176Abstract: A reflector lamp whose lamp receptacle (1) is provided in part with a reflective coating (6) as well as a reflector contour. The coating is composed of at least two layers of highly heat-resistant metals. One of the layers reflects as well as possible while the superimposed layer absorbs as well as possible.Type: ApplicationFiled: March 31, 2005Publication date: May 8, 2008Applicant: Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen MBHInventors: Wolfgang Andorfer, Axel Bunk, Frank Glockler, Christoph Krieglmeyer
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Publication number: 20080036382Abstract: A light source comprising a heatable filament (1) or an electrode, wherein the filament (1) or the electrode is arranged in a lamp (2) or in a tube. In order to use the light source in a wide variety of manners even in rough conditions, the filament (1) or the electrode is provided at least partially with a mechanical stabilization system. The invention also relates to a method for mechanical stabilization of the filament (1) or electrode of a light source, wherein stabilization is produced by exposing the filament (1) or electrode to a short pulsed gas pressure increase, involving a rare gas, during heating. Stabilization may also be produced by a coating or deposition (4).Type: ApplicationFiled: July 11, 2005Publication date: February 14, 2008Inventors: Gerhard Wolf, Frank Friess, Georg Schwarz, Adalbert Kovacs, Axel Bunk, Georg Rosenbauer, Matthias Damm
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Publication number: 20080036377Abstract: The invention relates to a light bulb (1) comprising an illumination body (7), which is inserted, together with a filler material, into a bulb (2) in a vacuum-tight manner. The illumination body (7) has a metal carbide, whose melting point lies above that of tungsten. The current supply (10) is configured in two parts from a first section (6) and a second section (15). The first section is configured integrally with the illumination body (7) and consists of a wire and the second section, which functions as the actual current supply (15) is produced from a highly heat-resistant material.Type: ApplicationFiled: July 6, 2005Publication date: February 14, 2008Applicant: PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBHInventors: Axel Bunk, Matthias Damm, Georg Rosenbauer
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Publication number: 20080024061Abstract: An incandescent lamp having a carbide containing luminous element, uses a wire for the luminous element that is coated on the outside with at least two different high melting metal compounds from at least one of the groups of carbides, borides and nitrides. The luminous element reaches a temperature of at least 3000° K during operation.Type: ApplicationFiled: July 27, 2007Publication date: January 31, 2008Applicants: PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBH, IP2H AGInventors: Axel Bunk, Matthias Damm, Frank Friess, Adalbert Kovacs, Georg Rosenbauer, Georg Schwarz, Gerhard Wolf, Christa Bunk
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Publication number: 20080012488Abstract: The invention relates to a light bulb comprising an illumination body, which is inserted, together with a filler material, into a bulb in a vacuum-tight manner. The illumination body has a metal carbide, whose melting point lies above that of tungsten. The current supply is configured in two parts from a first section and a second section. The current supply is configured integrally with the illumination body from a single wire and is covered with a coating that reduces the susceptibility to breakage.Type: ApplicationFiled: July 6, 2005Publication date: January 17, 2008Applicant: Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen MBHInventors: Axel Bunk, Matthias Damm, Georg Rosenbauer
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Patent number: 7242138Abstract: An electric light bulb, in particular a halogen light bulb designed to be operated by mains voltage includes a substantially axially symmetrical bulb and a single-coil filament mounted in the bulb. The filament includes at least one incandescent coil section disposed outside the bulb axis. The incandescent coil is disposed axially in a transparent cylindrical sleeve which has an interference filter that reflects infra-red rays.Type: GrantFiled: July 4, 2003Date of Patent: July 10, 2007Assignee: Patent-Treuhand-Gesellschaft für Elektrische Gluhlampen mbHInventors: Axel Bunk, Andreas Nittke
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Publication number: 20060197421Abstract: The invention relates to a halogen incandescent lamp, part of whose lamp vessel (1) is provided with a light-reflecting coating (6) and is in the form of a reflector.Type: ApplicationFiled: April 6, 2004Publication date: September 7, 2006Applicant: Patent-Treuhand-Gesellschaft Fur Elektrische Gluhlampen MBHInventors: Wolfgang Andorfer, Axel Bunk, Frank Glockler, Christoph Krieglmeyer
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Publication number: 20060103305Abstract: The incandescent lamp, which uses a carbon cycle process, is equipped with a luminous body which, together with a fill, is introduced in a vacuum-tight manner into a bulb, the luminous body including a metal carbide, the melting point of which is above that of tungsten. The distance between the luminous body and the wall of the bulb is less than 18 mm, with a first cycle process, which is attributed to the carbon, being effected by the use of carbon and hydrogen as fill additive, and a second cycle process, which is attributed to the metal, being effected by the use of halogen.Type: ApplicationFiled: November 19, 2004Publication date: May 18, 2006Applicant: PATENT-TRUEHAND-GESELLSCHAFT FUR ELEKTRISCHE GLUHLAMPEN MBHInventors: Axel Bunk, Matthias Damm, Georg Rosenbauer, Joachim Werner
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Patent number: 6969950Abstract: Sealing foil for making a lamp (1), comprising a metallic base body made from molybdenum and a coating which has been applied to at least part of the base body and which contains chromium, rhenium or ruthenium, alone or as an alloy, the foil being formed as a stack comprising two parts (10, 11) which have a different coating.Type: GrantFiled: April 21, 2003Date of Patent: November 29, 2005Assignee: Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbHInventors: Franz Breuer, Axel Bunk, Bodo Mittler
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Publication number: 20050242733Abstract: The invention relates to an electric light bulb, in particular a halogen light bulb designed to be operated by mains voltage. Said light bulb comprises a substantially axially symmetrical bulb (1) and a single-coil filament (2) mounted in said bulb, said filament comprising at least one incandescent coil section (22, 23) lying outside the bulb axis (A-A). According to the invention, the incandescent coil section(s) (22, 23) is/are disposed axially in a transparent cylindrical sleeve (7, 8), which has an interference filter (71, 81) that reflects infra-red rays.Type: ApplicationFiled: July 4, 2003Publication date: November 3, 2005Inventors: Axel Bunk, Andreas Nittke
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Publication number: 20040190295Abstract: The invention relates to a shell-like reflector whose light-reflecting inner side is shaped in such a way that the reflector has two focal lines. In addition, the invention relates to a reflector lamp with such a reflector and an incandescent lamp, whose incandescent filament has at least two filament sections arranged in the focal lines.Type: ApplicationFiled: January 16, 2004Publication date: September 30, 2004Applicant: PATENT-TREUHAND-GESELLSCHAFT FUR ELEKTRISCH GLUHLAMPEN MBHInventors: Wolfgang Andorfer, Axel Bunk
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Patent number: 6667573Abstract: A halogen incandescent lamp, in particular a miniature halogen incandescent lamp with an electrical power consumption of at most 10 W, that is suitable for use in a pocket lamp. The outside diameter of the lamp bulb is 3.0 mm to 6.2 mm, and the sections (4a, 5a) arranged in the interior (3) of the lamp bulb (1), of the supply leads (4, 5) for the incandescent filament (2) are constructed as flattened wires in order to minimize shading effects.Type: GrantFiled: April 19, 2002Date of Patent: December 23, 2003Assignee: Patent-Treuhand-Gesellschaft fur elektrische Gluhlampen mbHInventors: Axel Bunk, Walter Ciupke, Guenter Kreis, Thomas Kass, Joachim Koziol, Rolf Minder