Patents by Inventor Rudolf Schmid

Rudolf Schmid 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: 10231810
    Abstract: A dental irradiation device comprises a first light emitting unit for emitting blue light adapted for light hardening of a dental material. The device further comprises a second light emitting unit and an image sensing unit which are adapted for cooperation with each other for simultaneous illumination and image capturing. The device facilitates hardening of dental materials and provides, inter alia, additional diagnostic functions.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: March 19, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Jens Gramann, Stefan K. Welke, Thomas Müeller, Korbinian Schepke-Gerlach, Ralf Kelz, Karin Watzek, Manfred Harre, Rudolf Schmid
  • Publication number: 20180221248
    Abstract: The invention is directed to a process for taking a dental impression and/or conducting a dental retraction, the process comprising the steps of (a) providing a composition (A) having the consistency (a1), composition (A) comprising curable components, and a catalyst suitable to initiate or catalyze the curing of the curable components, composition (A) being contained in a device, (b) applying a portion (I) of composition (A) with a consistency (a2) into the sulcus of a tooth, (c) applying a portion (II) of composition (A) with a consistency (a1) in contact with composition (A) applied in step (b), (d) removing portion (I) together with portion (II) of composition (A) from the surface of the tooth, consistency (a2) being higher than consistency (a1).
    Type: Application
    Filed: May 19, 2016
    Publication date: August 9, 2018
    Inventors: Andreas R. Maurer, Joachim W. Zech, Christoph Schulte, Peter U. Osswald, Rudolf Schmid, Hendrik Grupp, Marc Peuker, Helmut Pauser, Manfred Harre, Andreas J. Boehm
  • Patent number: 10040134
    Abstract: The present invention relates to a method of producing a dental restoration from a partially-sintered or non-sintered blank using a three-dimensional dental restoration model, comprising the steps of: generating at least one or more first milling path for rough and/or fine milling; determining areas or zones of increased stress in the three-dimensional dental restoration model and generating at least one modified milling path; machining the blank by milling utilizing one or more first milling paths; selectively machining parts of the blank utilizing at least one modified milling path; and sintering the machined blank.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: August 7, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Malte Korten, Daniel Oberpertinger, Rudolf Schmid, Anja B. Fischer
  • Publication number: 20180132979
    Abstract: A dental material dispensing device has a plunger means which for dispensing the dental material is movable for urging at least one component of a dental material toward a dispensing area. The device further has cure control means with an energy source and a flow path on which the dental composition and/or the dental material flows past the energy source during dispensation. The device is operable for exposing the dental composition and/or the dental material to a specific energy by control of the energy source and/or by control of the speed of the flow of the dental composition and/or the dental material on the flow path. The device is configured for dispensing a coherent strand of dental material in a dispensing cycle. The device is further configured for operating in a first dispensing mode and additionally in a second dispensing mode during the same dispensing cycle. The ratio between the specific energy in the second dispensing mode and the specific energy in the first dispensing mode is smaller than 1.
    Type: Application
    Filed: May 19, 2016
    Publication date: May 17, 2018
    Inventors: Christian A. Richter, Anja Friedrich, Thomas Müller, Rudolf Schmid
  • Patent number: 9907636
    Abstract: A light irradiation device that emits a light patch of uniform intensity. The device may be a dental light wand. The device has a light source, a lenslet array and an optional relay lens. The light source may be a laser or a collimated LED. Each lenslet of the lenslet array has two convex surfaces, a front convex surface, and a rear convex surface that is opposite to the front convex surface. The front convex surface has a focal point on the principal plane of the rear convex surface. The focal length of the front convex surface differs from the focal length of the rear convex surface. Light beams emitted by the light source pass through the lenslet array, and if a relay lens is present then pass through the relay lens, forming a light patch of uniform intensity.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: March 6, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Zhisheng Yun, Rudolf Schmid, James L. Graham, II
  • Publication number: 20170231733
    Abstract: A dental light device which has a light output for providing blue light, and an air outlet arranged adjacent the light output. The air outlet is connected or connectable to an air supply. The dental light device provides for simultaneously irradiating an object and cooling the object.
    Type: Application
    Filed: July 28, 2015
    Publication date: August 17, 2017
    Inventors: Rudolf Schmid, Heiko Duwensee, Korbinian Schepke-Gerlach, Christian A. Richter
  • Publication number: 20170143461
    Abstract: A dental light irradiation device is adapted to emit blue light. The device has a light source, means for collimating light emitted from the light source, and a light guide. The light collimating means comprising:—a plano-convex lens oriented with the planar side toward the light source, and—a reflector formed by a hollow ring-shaped structure having an inner conical and reflective surface. The reflector is arranged such that its inner cross-section widens toward the lens and extends over the entire distance between the planar side of the lens and the light source. The light source being positioned substantially at the effective focal length of the lens, and the light guide having an input side for receiving light emitted from the light source and an output side for the light.
    Type: Application
    Filed: April 16, 2015
    Publication date: May 25, 2017
    Inventors: Stefan Welker, Zhisheng Yun, Rudolf Schmid, Korbinian Gerlach
  • Publication number: 20170002993
    Abstract: A light irradiation device that emits a light patch of uniform intensity. The device may be a dental light wand. The device has a light source, a lenslet array and an optional relay lens. The light source may be a laser or a collimated LED. Each lenslet of the lenslet array has two convex surfaces, a front convex surface, and a rear convex surface that is opposite to the front convex surface. The front convex surface has a focal point on the principal plane of the rear convex surface. The focal length of the front convex surface differs from the focal length of the rear convex surface. Light beams emitted by the light source pass through the lenslet array, and if a relay lens is present then pass through the relay lens, forming a light patch of uniform intensity.
    Type: Application
    Filed: July 1, 2015
    Publication date: January 5, 2017
    Inventors: Zhisheng Yun, Rudolf Schmid, James L. Graham, II
  • Publication number: 20150252039
    Abstract: The invention relates to a process for the preparation of pyrido[2,1-a]isoquinoline derivatives of the formula wherein R2, R3 and R4 are as defined in the specification, comprising the steps of a) catalytic asymmetric hydrogenation of an enamine of the formula wherein R1 is lower alkyl, in the presence of a transition metal catalyst containing a chiral diphosphane ligand, b) introduction of an amino protecting group Prot and c) amidation of the ester to form an amide of formula wherein R2, R3, R4 and Prot are as defined in the specification.
    Type: Application
    Filed: May 18, 2015
    Publication date: September 10, 2015
    Inventors: Stefan Abrecht, Michaelangelo Scalone, Rudolf Schmid
  • Publication number: 20150250572
    Abstract: A dental irradiation device comprises a first light emitting unit for emitting blue light adapted for light hardening of a dental material. The device further comprises a second light emitting unit and an image sensing unit which are adapted for cooperation with each other for simultaneous illumination and image capturing. The device facilitates hardening of dental materials and provides, inter alia, additional diagnostic functions.
    Type: Application
    Filed: September 13, 2013
    Publication date: September 10, 2015
    Inventors: Jens Gramann, Stefan Welker, Thomas K. Mueller, Korbinian Schepke-Gerlach, Ralf Kelz, Karin Watzek, Manfred Harre, Rudolf Schmid
  • Publication number: 20150230896
    Abstract: The present invention relates to a method of producing a dental restoration from a partially-sintered or non-sintered blank using a three-dimensional dental restoration model, comprising the steps of: generating at least one or more first milling path for rough and/or fine milling; determining areas or zones of increased stress in the three-dimensional dental restoration model and generating at least one modified milling path; machining the blank by milling utilising one or more first milling paths; selectively machining parts of the blank utilising at least one modified milling path; and sintering the machined blank.
    Type: Application
    Filed: August 22, 2013
    Publication date: August 20, 2015
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Malte Korten, Daniel Oberpertinger, Rudolf Schmid, Anja B. Fischer
  • Publication number: 20150031888
    Abstract: The invention relates to a process for the preparation of pyrido[2,1-a] isoquinoline derivatives of the formula wherein R2, R3 and R4 are as defined in the specification, comprising the steps of a) catalytic asymmetric hydrogenation of an enamine of the formula wherein R1 is lower alkyl, in the presence of a transition metal catalyst containing a chiral diphosphane ligand, b) introduction of an amino protecting group Prot and c) amidation of the ester to form an amide of formula wherein R2, R3, R4 and Prot are as defined in the specification.
    Type: Application
    Filed: October 3, 2014
    Publication date: January 29, 2015
    Inventors: Stefan Abrecht, Michelangelo Scalone, Rudolf Schmid
  • Publication number: 20140187785
    Abstract: The invention relates to a process for the preparation of pyrido[2,1-a]isoquinoline derivatives of the formula wherein R2, R3 and R4 are as defined in the specification, comprising the steps of a) catalytic asymmetric hydrogenation of an enamine of the formula wherein R1 is lower alkyl, in the presence of a transition metal catalyst containing a chiral diphosphane ligand, b) introduction of an amino protecting group Prot and c) amidation of the ester to form an amide of formula wherein R2, R3, R4 and Prot are as defined in the specification.
    Type: Application
    Filed: March 6, 2014
    Publication date: July 3, 2014
    Applicant: HOFFMANN-LA ROCHE INC.
    Inventors: Stefan Abrecht, Michelangelo Scalone, Rudolf Schmid
  • Publication number: 20120010413
    Abstract: The invention relates to a process for the preparation of pyrido[2,1-a] isoquinoline derivatives of the formula wherein R2, R3 and R4 are as defined in the specification, comprising the steps of a) catalytic asymmetric hydrogenation of an enamine of the formula wherein R1 is lower alkyl, in the presence of a transition metal catalyst containing a chiral diphosphane ligand, b) introduction of an amino protecting group Prot and c) amidation of the ester to form an amide of formula wherein R2, R3, R4 and Prot are as defined in the specification.
    Type: Application
    Filed: September 19, 2011
    Publication date: January 12, 2012
    Inventors: Stefan Abrecht, Michelangelo Scalone, Rudolf Schmid
  • Patent number: 7619101
    Abstract: This invention relates to a process of the preparation of the novel intermediate (S)-4-fluoromethyl-dihydro-furan-2-one of the formula and with its use for the manufacture of pyrido[2,1-a]isoquinoline derivatives of the formula which are useful for the treatment and/or prophylaxis of diseases which are associated with DPP IV.
    Type: Grant
    Filed: May 19, 2006
    Date of Patent: November 17, 2009
    Assignee: Hoffman-La Roche Inc.
    Inventors: Stefan Abrecht, Jean-Michel Adam, Alec Fettes, Joseph Foricher, Bruno Lohri, Patrizio Mattei, Gerard Moine, Rudolf Schmid, Ulrich Zutter
  • Publication number: 20080148557
    Abstract: A multiple insertion head for mounting components onto substrates includes a carrier configured to rotate about a rotational axis, a plurality of active drives, and a plurality of receiving tools configured to move in a mounting direction at an angle to the rotational axis. The receiving tools are arranged on the carrier so as to receive the components. Each receiving tool is permanently coupled to one of the active drives.
    Type: Application
    Filed: January 4, 2008
    Publication date: June 26, 2008
    Applicant: Siemens Aktiengesellschaft
    Inventors: Gerhard Jonke, Reinhard Pittschellis, Rudolf Schmid, Uwe Stadler, Michele Trigiani
  • Patent number: D705287
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: May 20, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf Schmid, Manfred Harre, Emir Jelovac, Thomas Müller, Özcan Dönmez, Christian Richter, Korbinian Schepke-Gerlach, Stefan Welker, Andreas Bergsträβer
  • Patent number: D710412
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: August 5, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf Schmid, Manfred Harre, Emir Jelovac, Thomas Müller, Christian Richter, Korbinian Schepke-Gerlach, Stefan Welker, Andreas Bergsträβer, Özcan Dönmez
  • Patent number: D710413
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: August 5, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf Schmid, Manfred Harre, Emir Jelovac, Thomas Müller, Christian Richter, Korbinian Schepke-Gerlach, Stefan Welker, Andreas Bergstäβer, Özcan Dönmez
  • Patent number: D710414
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: August 5, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Rudolf Schmid, Manfred Harre, Emir Jelovac, Thomas Müller, Christian Richter, Korbinian Schepke-Gerlach, Stefan Welker, Andreas Bergsträβer, Özcan Dönmez