Patents by Inventor Johannes Buttstaedt

Johannes Buttstaedt 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).

  • Patent number: 10269551
    Abstract: The invention relates to a high-pressure discharge lamp having an ignition aid and comprising a discharge vessel, which is accommodated in an outer bulb. The ignition aid is a UV enhancer having a can-like container (12), which has an inner electrode (18). At least part of the end-face edge of the inner electrode at least comes close to the end face (24) of the container (12). An external electrode is attached to the outside of the container.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: April 23, 2019
    Assignee: LEDVANCE GMBH
    Inventors: Johannes Buttstaedt, Uwe Fidler, Stefan Lichtenberg, Georg Rosenbauer
  • Patent number: 9111744
    Abstract: A high-pressure discharge lamp having an ignition aid, mounted in an outer bulb, wherein the discharge vessel comprises two ends having seals in which electrodes are mounted and wherein a frame having a clip wire retains the discharge vessel in the outer bulb. The clip wire is bent toward the seal of the opposite pole electrode until the bent part formed thereby acts as an ignition aid.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: August 18, 2015
    Assignee: OSRAM GmbH
    Inventors: Thomas Brauner, Johannes Buttstaedt, Sascha Piltz
  • Patent number: 9053921
    Abstract: A high-pressure discharge lamp having an ignition aid, may include a discharge vessel which is fitted in an outer bulb, wherein a UV enhancer is fitted as an ignition aid in the outer bulb, wherein the UV enhancer comprises a UV-transparent can-like container having an inner wall and end side and longitudinal axis, the container enclosing with its inner wall a cavity which is filled with a gas that can emit UV radiation, an inner vent electrode, which has at least one bend or kink, being fitted in the cavity in such a way that a bend or kink lie as close as possible to the inner wall of the container, and wherein an external electrode is applied externally in the vicinity of the container.
    Type: Grant
    Filed: July 28, 2011
    Date of Patent: June 9, 2015
    Assignee: Osram GmbH
    Inventors: Johannes Buttstaedt, Uwe Fidler, Stefan Lichtenberg, Georg Rosenbauer
  • Publication number: 20140239803
    Abstract: The invention relates to a high-pressure discharge lamp having an ignition aid and comprising a discharge vessel, which is accommodated in an outer bulb. The ignition aid is a UV enhancer having a can-like container (12), which has an inner electrode (18). At least part of the end-face edge of the inner electrode at least comes close to the end face (24) of the container (12). An external electrode is attached to the outside of the container.
    Type: Application
    Filed: July 26, 2012
    Publication date: August 28, 2014
    Applicant: OSRAM GMBH
    Inventors: Johannes Buttstaedt, Uwe Fidler, Stefan Lichtenberg, Georg Rosenbauer
  • Patent number: 8786187
    Abstract: A bushing for a high-pressure discharge lamp, which is suitable for connecting an electrode in the interior of a ceramic discharge vessel to a supply lead in a gastight manner on the exterior of the discharge vessel, wherein the bushing is an electrically conductive ceramic composite consisting of a mixture of LaB6 and at least one second material from the group Al2O3, Dy2Al5O12, AlN, AlON and Dy2O3 is disclosed.
    Type: Grant
    Filed: November 7, 2011
    Date of Patent: July 22, 2014
    Assignee: OSRAM GmbH
    Inventors: Johannes Buttstaedt, Stefan Dunkel, Andreas Genz, Maik Hegewald
  • Publication number: 20140117846
    Abstract: A high-pressure discharge lamp having an ignition aid, may include a discharge vessel which is fitted in an outer bulb, wherein a UV enhancer is fitted as an ignition aid in the outer bulb, wherein the UV enhancer comprises a UV-transparent can-like container having an inner wall and end side and longitudinal axis, the container enclosing with its inner wall a cavity which is filled with a gas that can emit UV radiation, an inner vent electrode, which has at least one bend or kink, being fitted in the cavity in such a way that a bend or kink lie as close as possible to the inner wall of the container, and wherein an external electrode is applied externally in the vicinity of the container.
    Type: Application
    Filed: July 28, 2011
    Publication date: May 1, 2014
    Applicant: OSRAM GmbH
    Inventors: Johannes Buttstaedt, Uwe Fidler, Stefan Lichtenberg, Georg Rosenbauer
  • Patent number: 8664855
    Abstract: A high-pressure discharge lamp having an ignition aid may be provided, having a discharge vessel that is surrounded by gas, wherein the discharge vessel includes two ends having fusings in which electrodes are secured, wherein an ignition aid is fastened on at least one fusing, wherein the ignition aid has a local field amplifier in the form of a tip or a curved part, wherein the ignition aid is configured to cause a corona discharge in the surrounding gas which emits UV radiation into the discharge vessel.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: March 4, 2014
    Assignee: Osram AG
    Inventors: Johannes Buttstaedt, Stefan Dunkel, Leon Grabinski, Janbernd Hentschel, Bernd Koch, Stefan Lichtenberg, Martin Tueshaus
  • Patent number: 8659226
    Abstract: A high-pressure discharge lamp with an ignition aid has a discharge vessel which is mounted in an outer bulb, the discharge vessel comprising two ends having seals in which electrodes are secured, and a frame having a clip wire retaining the discharge vessel in the outer bulb. The clip wire comprises a plate-like part acting as an ignition aid and facing the seal of the opposite pole electrode.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: February 25, 2014
    Assignee: OSRAM AG
    Inventors: Thomas Brauner, Johannes Buttstaedt, Sascha Piltz
  • Patent number: 8618734
    Abstract: A high-pressure discharge lamp having an ignition aid is provided. The discharge lamp may include: a discharge vessel consisting of ceramic or quartz glass which is sealed at two ends and which is accommodated in an outer bulb which is likewise sealed at two ends, the discharge vessel having two ends in which electrodes are fastened, two power supply lines holding the discharge vessel in the outer bulb, a UV enhancer with a single electrode as ignition aid being accommodated in the outer bulb, wherein the UV enhancer is positioned in the vicinity of a second end of the discharge vessel, while a feed line is routed from the first power supply line along the discharge vessel and is connected to the UV enhancer, the feed line being capacitively coupled to the first power supply line, the UV enhancer being installed between the feed line and the second power supply line.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: December 31, 2013
    Assignee: OSRAM AG
    Inventors: Johannes Buttstaedt, Stefan Lichtenberg
  • Publication number: 20130285543
    Abstract: A bushing for a high-pressure discharge lamp, which is suitable for connecting an electrode in the interior of a ceramic discharge vessel to a supply lead in a gastight manner on the exterior of the discharge vessel, wherein the bushing is an electrically conductive ceramic composite consisting of a mixture of LaB6 and at least one second material from the group Al2O3, Dy2Al5O12, AlN, AlON and Dy2O3 is disclosed.
    Type: Application
    Filed: November 7, 2011
    Publication date: October 31, 2013
    Applicant: OSRAM GmbH
    Inventors: Johannes Buttstaedt, Stefan Dunkel, Andreas Genz, Maik Hegewald
  • Publication number: 20130181604
    Abstract: A high-pressure discharge lamp having an ignition aid may be provided, having a discharge vessel that is surrounded by gas, wherein the discharge vessel includes two ends having fusings in which electrodes are secured, wherein an ignition aid is fastened on at least one fusing, wherein the ignition aid has a local field amplifier in the form of a tip or a curved part, wherein the ignition aid is configured to cause a corona discharge in the surrounding gas which emits UV radiation into the discharge vessel.
    Type: Application
    Filed: October 8, 2010
    Publication date: July 18, 2013
    Applicant: OSRAM AG
    Inventors: Johannes Buttstaedt, Stefan Dunkel, Leon Grabinski, Janbernd Hentschel, Bernd Koch, Stefan Lichtenberg, Martin Tueshaus
  • Publication number: 20130113371
    Abstract: A high-pressure discharge lamp having an ignition aid is provided. The discharge lamp may include: a discharge vessel consisting of ceramic or quartz glass which is sealed at two ends and which is accommodated in an outer bulb which is likewise sealed at two ends, the discharge vessel having two ends in which electrodes are fastened, two power supply lines holding the discharge vessel in the outer bulb, a UV enhancer with a single electrode as ignition aid being accommodated in the outer bulb, wherein the UV enhancer is positioned in the vicinity of a second end of the discharge vessel, while a feed line is routed from the first power supply line along the discharge vessel and is connected to the UV enhancer, the feed line being capacitively coupled to the first power supply line, the UV enhancer being installed between the feed line and the second power supply line.
    Type: Application
    Filed: July 8, 2011
    Publication date: May 9, 2013
    Applicant: OSRAM AG
    Inventors: Johannes Buttstaedt, Stefan Lichtenberg
  • Patent number: 8227990
    Abstract: A high pressure discharge lamp with a capacitive starting aid is provided. The high pressure discharge lamp may include an outer bulb; a discharge vessel that is accommodated in the outer bulb, the discharge vessel comprising at least one end with a seal in which an electrode system is fastened; a frame holding the discharge vessel in the outer bulb; and a starting aid fastened on the seal. The starting aid may have two functional parts.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: July 24, 2012
    Assignee: Osram AG
    Inventors: Johannes Buttstaedt, Stefan Dunkel, Leon Grabinski, Janbernd Hentschel, Martin Tueshaus
  • Publication number: 20120139412
    Abstract: A high-pressure discharge lamp with an ignition aid has a discharge vessel which is mounted in an outer bulb, the discharge vessel comprising two ends having seals in which electrodes are secured, and a frame having a clip wire retaining the discharge vessel in the outer bulb. The clip wire comprises a plate-like part acting as an ignition aid and facing the seal of the opposite pole electrode.
    Type: Application
    Filed: July 26, 2010
    Publication date: June 7, 2012
    Applicant: OSRAM AG
    Inventors: Thomas Brauner, Johannes Buttstaedt, Sascha Piltz
  • Publication number: 20120139413
    Abstract: A high-pressure discharge lamp having an ignition aid, mounted in an outer bulb, wherein the discharge vessel comprises two ends having seals in which electrodes are mounted and wherein a frame having a clip wire retains the discharge vessel in the outer bulb. The clip wire is bent toward the seal of the opposite pole electrode until the bent part formed thereby acts as an ignition aid.
    Type: Application
    Filed: July 26, 2010
    Publication date: June 7, 2012
    Applicant: OSRAM AG
    Inventors: Thomas Brauner, Johannes Buttstaedt, Sascha Piltz
  • Publication number: 20110074285
    Abstract: A high pressure discharge lamp with a capacitive starting aid is provided. The high pressure discharge lamp may include an outer bulb; a discharge vessel that is accommodated in the outer bulb, the discharge vessel comprising at least one end with a seal in which an electrode system is fastened; a frame holding the discharge vessel in the outer bulb; and a starting aid fastened on the seal. The starting aid may have two functional parts.
    Type: Application
    Filed: September 14, 2010
    Publication date: March 31, 2011
    Applicant: OSRAM GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
    Inventors: Johannes Buttstaedt, Stefan Dunkel, Leon Grabinski, Janbernd Hentschel, Martin Tueshaus
  • Patent number: 7732354
    Abstract: The invention relates to a flat implant of textile thread material, in particular a hernia mesh implant, in the form of single-layered mesh fabric (1) of a basis weight of 5 to 40 g/m2.
    Type: Grant
    Filed: May 6, 2003
    Date of Patent: June 8, 2010
    Assignee: GfE Medizintechnik GmbH
    Inventors: Helmut Fricke, Johannes Buttstädt
  • Patent number: D690446
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: September 24, 2013
    Assignee: Osram AG
    Inventors: Johannes Buttstaedt, Stefan Dunkel, Andreas Genz, Maik Hegewald