Patents by Inventor Stefan Roth

Stefan Roth 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: 12181644
    Abstract: A wide-angle objective in accordance with the invention comprises, in an order from an object-side end to an image-side end, a front group of total positive refractive power having at least four lenses; a middle group of total positive refractive power having at least three lenses; and a rear group of total positive refractive power having at least three lenses, wherein the quotient of the focal length of the front group and the total focal length of the objective amounts to between 2.28 and 2.79, the quotient of the focal length of the middle group and the total focal length of the objective amounts to between 3.02 and 3.69, and the quotient of the focal length of the rear group and the total focal length of the objective amounts to between 3.50 and 4.29.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: December 31, 2024
    Assignee: Leica Camera AG
    Inventors: Stefan Roth, Kathrin Keller
  • Publication number: 20240240427
    Abstract: The invention relates to a diaphragm wall cutter for cutting a cutting trench in the ground, comprising a cutting frame, at least one rotatably drivable cutting wheel which is mounted on an lower side of the cutting frame, a suction nozzle, which is arranged in the region of the at least one cutting wheel and is provided with at least one suction opening, and a suction pump which is configured for suctioning slurry from the cutting trench during cutting via the suction nozzle, the suction pump being connected to the suction nozzle via a suction line. According to the invention, it is provided that at least one filling port is provided for filling the suction pump and the suction line with a liquid when the suction line is shut-off, wherein the suction line and the suction pump are filled with liquid for starting the suction pump.
    Type: Application
    Filed: April 27, 2022
    Publication date: July 18, 2024
    Applicant: BAUER Maschinen GmbH
    Inventors: Ulli WIEDENMANN, Stefan ROTH
  • Publication number: 20240141614
    Abstract: The invention relates to a trench wall cutting device comprising a trench cutter having at least one cutting frame unit and at least two cutting wheels arranged in the longitudinal direction of the cutting frame unit and is configured for cutting a substantially vertical cutting trench in the ground, a supporting structure for suspending the trench cutter in a cutting position and moving it in a substantially vertical cutting direction for creating the cutting trench, and a feed device for feeding the trench cutter in a feeding direction which is oriented transversely to the cutting direction.
    Type: Application
    Filed: February 16, 2022
    Publication date: May 2, 2024
    Applicant: BAUER Maschinen GmbH
    Inventors: Stefan Michael FINKENZELLER, Leonhard WEIXLER, Stefan ROTH, Alexander BLATT, Christian HERRMANN, Ulli WIEDENMANN
  • Patent number: 11929685
    Abstract: A voltage source converter has a half bridge (18) with two current valves (19, 20) connected in series and an arrangement configured to carry out voltage measurements for determining a value of the DC voltage between opposite poles (21, 22) of a DC side of the converter. Each current valve comprises a semiconductor device (23, 24) controlled by an associated gate drive member (29, 30), each forming gate drive parts of one gate drive unit (28) in common to both current valves. The gate drive unit (28) comprises an isolated two-way communication link (33) between the gate drive members. The arrangement is included in the gate drive unit and configured to measure the entire DC voltage between said opposite poles (21, 22). A converter control device (31) calculates and sends control signals to the gate drive unit based on the result of the voltage measurement.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: March 12, 2024
    Assignee: BOMBARDIER TRANSPORTATION GMBH
    Inventors: Andreas Löfgren, Johan Dahlke, Stefan Roth
  • Publication number: 20240012225
    Abstract: The invention relates to a fixed focal length objective having a stationary lens group forward in the direction of light (VG), a stationary diaphragm (BL) with an adjustable aperture, a stationary rear lens group (HG) and a focussing group (MG) displaceable relative to the diaphragm along the optical axis of the objective for imaging objects at different distances onto a stationary image plane (IM), in which lens the focussing group (MG) consists of at least one lens element and a diffractive optical element (DOE) integrated into the focussing group (MG).
    Type: Application
    Filed: November 8, 2021
    Publication date: January 11, 2024
    Inventor: Stefan Roth
  • Publication number: 20230241185
    Abstract: The present invention generally relates to a composition comprising a DNA-degrading enzyme for use in a method for the treatment of post sterile traumatic immunosuppression. Further, the present invention relates to the composition for the use of the present invention, wherein a nuclease is administered after an acute tissue injury and/or in the course of the treatment of an acute tissue injury.
    Type: Application
    Filed: April 23, 2021
    Publication date: August 3, 2023
    Inventors: Arthur Liesz, Stefan Roth
  • Publication number: 20230145821
    Abstract: In a multi-chip module and method, the multi-chip module includes a carrier; a multimode optical waveguide formed on and/or in the carrier; a first and second chip disposed on the carrier and coupled to the multimode optical waveguide; wherein the first chip is configured to transmit light beams into the multimode optical waveguide; the multimode optical waveguide is configured to generate mixed light beams that are an at least partial superposition of the light beams; the second chip is configured to receive the mixed light beams from the multimode optical waveguide; and the second chip is configured to store a representation of the received mixed light beams as a transmission signature and/or as a cryptographic key in a memory associated with the second chip, and/or compare the representation of the received mixed light beams with a target representation stored in the memory associated with the second chip.
    Type: Application
    Filed: November 1, 2022
    Publication date: May 11, 2023
    Inventors: Niels Neumann, Sujay Ashok Charania, Dirk Plettemeier, Nektarios Koukourakis, Stefan Rothe, Jurgen Czarske
  • Publication number: 20220075142
    Abstract: A lens system with a fixed focal length includes five lens groups. The five lens groups include a first lens group, a second lens group configured as a focusing front group, a third lens group having a negative refractive power, a fourth lens group configured as a focusing back group, and a fifth lens group. The fifth lens group has a positive refractive power that is arranged in a stationary manner relative to an imaging plane in a lens barrel and both the focusing front group and the focusing back group are movable jointly relative to one another and to the lens groups arranged in a stationary manner in order to focus the fixed focus length lens system on objects at different object distances.
    Type: Application
    Filed: November 19, 2021
    Publication date: March 10, 2022
    Inventors: Dietmar STUIBLE, Sigrun KAMMANS, Stefan ROTH
  • Publication number: 20220064939
    Abstract: A temperature-stable vacuum insulation element 1 for use over a wide temperature range of high or low temperatures including a core material 2 of fumed silica in a proportion by weight in the range from 30% to 90%, a fiber material 3 in a proportion by weight in the range from 1% to 10%, an opacifier in a proportion by weight in the range from 5% to 50%; and a vacuum-tight envelope of the core material 2 of at least one stainless steel foil 4a, 4b.
    Type: Application
    Filed: August 26, 2021
    Publication date: March 3, 2022
    Inventors: Roland Caps, Sebastian Gralla, Stefan Roth
  • Publication number: 20220066176
    Abstract: A wide-angle objective in accordance with the invention comprises, in an order from an object-side end to an image-side end, a front group of total positive refractive power having at least four lenses; a middle group of total positive refractive power having at least three lenses; and a rear group of total positive refractive power having at least three lenses, wherein the quotient of the focal length of the front group and the total focal length of the objective amounts to between 2.28 and 2.79, the quotient of the focal length of the middle group and the total focal length of the objective amounts to between 3.02 and 3.69, and the quotient of the focal length of the rear group and the total focal length of the objective amounts to between 3.50 and 4.29.
    Type: Application
    Filed: December 17, 2019
    Publication date: March 3, 2022
    Inventors: Stefan ROTH, Kathrin KELLER
  • Patent number: 11262502
    Abstract: A receiving apparatus and method for determining transmission characteristics of an optical waveguide in which the receiving apparatus includes a waveguide interface for receiving a mixed light beam having a plurality of modes from a multi-mode optical waveguide and for receiving a blended shifted light beam from the multimode optical waveguide, wherein the mixed light beam has an associated phase for each mode of the plurality of modes, and wherein the mixed shifted light beam has an associated shifted phase for each mode of the plurality of modes; and one or more processors for determining mode information for the intermixed light beam and shifted mode information for the intermixed shifted light beam using a trained neural network and for determining, for each mode of the plurality of modes, the respective associated phase using the intermixed shifted light beam.
    Type: Grant
    Filed: July 15, 2021
    Date of Patent: March 1, 2022
    Assignee: Technische Universitat Dresden
    Inventors: Stefan Rothe, Qian Zhang, Nektarios Koukourakis, Robert Kuschmierz, Jurgen Czarske
  • Publication number: 20210408930
    Abstract: A voltage source converter has a half bridge (18) with two current valves (19, 20) connected in series and an arrangement configured to carry out voltage measurements for determining a value of the DC voltage between opposite poles (21, 22) of a DC side of the converter. Each current valve comprises a semiconductor device (23, 24) controlled by an associated gate drive member (29, 30), each forming gate drive parts of one gate drive unit (28) in common to both current valves. The gate drive unit (28) comprises an isolated two-way communication link (33) between the gate drive members. The arrangement is included in the gate drive unit and configured to measure the entire DC voltage between said opposite poles (21, 22). A converter control device (31) calculates and sends control signals to the gate drive unit based on the result of the voltage measurement.
    Type: Application
    Filed: November 7, 2019
    Publication date: December 30, 2021
    Inventors: Andreas LÖFGREN, Johan DAHLKE, Stefan ROTH
  • Patent number: 11209621
    Abstract: A lens with a fixed focal length includes five lens-element groups, a first front lens-element group, a second lens-element group, a third lens-element group, a fourth lens-element group, and a fifth back lens-element group is arranged in a stationary manner. Relative to an imaging plane in a lens barrel and both the focusing front group and the focusing back group are movable jointly relative to one another and to the lens-element groups arranged in a stationary manner in order to focus the lens on objects at different object distances.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: December 28, 2021
    Assignee: Leica Camera AG
    Inventors: Dietmar Stuible, Sigrun Kammans, Stefan Roth
  • Patent number: 10648993
    Abstract: The invention relates to a laboratory apparatus, and a method, for device-controlled handling of at least one laboratory sample, wherein the laboratory apparatus comprises at least one handling device, wherein the handling is controlled by the laboratory apparatus in use of several program parameters, a control device, a user interface device for manually inputting data by an user, and for the display of information, which may in particular depend on these data, wherein the user interface device comprises a display, on which a display area can be represented, and wherein the user interface device comprises a movement detecting sensor device, which is arranged for the detection of at least one user movement, which can be performed on the display area by an user, and wherein the control device is arranged for the provision of a movement detecting input mode, in order to•select the at least one program parameter and/or define its value depending on the at least one user movement, and•display at least one graphic
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: May 12, 2020
    Inventors: Sven Lüdicke, Martin Poggenclaas, Stefan Roth, Kirsten Schicke
  • Publication number: 20190204567
    Abstract: A lens with a fixed focal length includes five lens-element groups, a first front lens-element group, a second lens-element group, a third lens-element group, a fourth lens-element group, and a fifth back lens-element group is arranged in a stationary manner. Relative to an imaging plane in a lens barrel and both the focusing front group and the focusing back group are movable jointly relative to one another and to the lens-element groups arranged in a stationary manner in order to focus the lens on objects at different object distances.
    Type: Application
    Filed: September 18, 2017
    Publication date: July 4, 2019
    Inventors: Dietmar STUIBLE, Sigrun KAMMANS, Stefan ROTH
  • Patent number: 10286397
    Abstract: The invention relates to a pressing arrangement for a cover, in particular in a laboratory thermostat, having at least: a first component disposed to exert an excitation force, a second component, in particular a plate component disposed to exert a pressing force Fz in at least one target position, a transmission device disposed for transmitting force from the first component to the second component, characterized in that the transmission device comprises a transmission component disposed to be driven by the first component and to drive the second component, and the transmission device comprises at least one elastic tensioning member disposed to be driven by the first component so as to change its tension and to drive the transmission component, and the transmission device or the transmission component causes the setting of the pressing force Fz in dependence on the target position. The invention further relates to a corresponding method for pressuring.
    Type: Grant
    Filed: February 21, 2012
    Date of Patent: May 14, 2019
    Inventors: Gregor Bechmann, Lutz Timmann, Manuel Petzold, Stefan Roth, Arne Schafrinski
  • Patent number: 9989946
    Abstract: The invention relates to a program-controlled laboratory machine and to a method for the automatic program-controlled treatment of laboratory samples. The laboratory machine has a display having a first display area, via which program parameters that are required by the user are input, and has a second display area in which these input program parameters are shown. The performance of the treatment is effected automatically using the program parameters that are required by the user.
    Type: Grant
    Filed: October 1, 2013
    Date of Patent: June 5, 2018
    Inventors: Andreas Thieme, Claas Huesmann, Stefan Roth, Judith Lucke, Harald Pohl
  • Publication number: 20170176479
    Abstract: The invention relates to a laboratory apparatus, and a method, for device-controlled handling of at least one laboratory sample, wherein the laboratory apparatus comprises at least one handling device, wherein the handling is controlled by the laboratory apparatus in use of several program parameters, a control device, a user interface device for manually inputting data by an user, and for the display of information, which may in particular depend on these data, wherein the user interface device comprises a display, on which a display area can be represented, and wherein the user interface device comprises a movement detecting sensor device, which is arranged for the detection of at least one user movement, which can be performed on the display area by an user, and wherein the control device is arranged for the provision of a movement detecting input mode, in order to • select the at least one program parameter and/or define its value depending on the at least one user movement, and • display at least one gra
    Type: Application
    Filed: February 12, 2015
    Publication date: June 22, 2017
    Inventors: Sven LÜDICKE, Martin POGGENCLAAS, Stefan ROTH, Kirsten SCHICKE
  • Patent number: 9404238
    Abstract: A construction machine comprising an undercarriage designed as a running gear and an upper carriage with a housing having side walls, wherein for access to the housing at least one housing opening with an access wall is provided, which is adjustable into an open position, and in an area in front of the housing opening a horizontal gangway is formed. At least one pull-out element is provided which can be pulled out horizontally between a retracted position and a pulled out position, in which the pull-out element projects horizontally from the housing, and in order to form the gangway a base plate is provided on the pull-out element.
    Type: Grant
    Filed: January 10, 2015
    Date of Patent: August 2, 2016
    Assignee: BAUER Maschinen GmbH
    Inventors: Stefan Roth, Martin Lanzl, Ralf Oehme, Mathias Kohl
  • Publication number: 20160201293
    Abstract: A construction machine comprising an undercarriage designed as a running gear and an upper carriage with a housing having side walls, wherein for access to the housing at least one housing opening with an access wall is provided, which is adjustable into an open position, and in an area in front of the housing opening a horizontal gangway is formed. At least one pull-out element is provided which can be pulled out horizontally between a retracted position and a pulled out position, in which the pull-out element projects horizontally from the housing, and in order to form the gangway a base plate is provided on the pull-out element.
    Type: Application
    Filed: January 10, 2015
    Publication date: July 14, 2016
    Applicant: BAUER MASCHINEN GmbH
    Inventors: Stefan ROTH, Martin LANZL, Ralf OEHME, Mathias KOHL