Patents by Inventor Ralf Richter

Ralf Richter 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).

  • Publication number: 20220287800
    Abstract: A heating device for heating a dental material. The heating device has a body and a socket. The socket is removably received within the body and has a socket wall that forms a receptacle for positioning a container for the dental material therein. The body has a light source for emitting light toward the socket wall in a direction toward the receptacle. The socket wall is at least partially transmissive for infrared light. The heating device allows for heating the dental material within the container.
    Type: Application
    Filed: April 24, 2020
    Publication date: September 15, 2022
    Inventors: Christian A. Richter, Korbinian Gerlach, Rudolf Schmid, Stefan K. Welker, Ralf Kelz
  • Publication number: 20220273409
    Abstract: The apparatus (1000) includes a housing (110), a chamber (120) disposed in the housing, at least two light emitting diodes (LEDs) (130) disposed within the housing (110), and a user interface (140) disposed on an exterior (112) of the housing. The chamber (120) is adaptable to each of an open, closed, and hermetically sealed configuration. The chamber (120) includes a material transparent to actinic radiation and light from the LEDs (130) enters the chamber from more than one direction. The user interface (140) includes a display (142) and program switches (144) configured to adjust at least three operational parameters of the apparatus. The apparatus (1000) further includes a vacuum pump (150) operatively coupled to the chamber (120). The system includes the apparatus (1000) and an article (180). An article includes layers of at least one photopolymerized crosslinked composition and a low extractable component content.
    Type: Application
    Filed: September 8, 2020
    Publication date: September 1, 2022
    Inventors: Rudolf Schmid, Ralf Kelz, Christian A. Richter, Anja Friedrich, James D. Hansen, Saswata Chakraborty, Benjamin C. Mac Murray, Daniel D. Oberpertinger
  • Patent number: 11407066
    Abstract: A method for creating a detachment zone in a solid includes: providing a solid which is to be processed; providing a laser light source; subjecting the solid to laser radiation from the laser light source so that laser beams penetrate into the solid via a surface of the solid portion that is to be cut off; applying the laser radiation in a defined manner to a predefined portion of the solid inside the solid such that a detachment zone or a plurality of partial detachment zones is formed; wherein a number of modifications are successively created in the crystal lattice by the applied laser radiation, and the crystal lattice fissures at least partially in the regions surrounding the modifications as a result of the modifications, the fissures in the region of the modifications predefining the detachment zone or the plurality of partial detachment zones.
    Type: Grant
    Filed: November 27, 2015
    Date of Patent: August 9, 2022
    Assignee: Siltectra GmbH
    Inventors: Jan Richter, Christian Beyer, Ralf Rieske
  • Publication number: 20220223740
    Abstract: A non-volatile memory (NVM) structure includes a first memory device including: a first inter-poly dielectric defined by an isolation layer over a first semiconductor layer over an insulator layer (SOI) stack over a bulk semiconductor substrate, a first tunneling insulator defined by the insulator layer, a first floating gate defined by the semiconductor layer of the SOI stack, and a first channel region defined in the bulk semiconductor substrate between a source region and a drain region. The memory device may also include a control gate over the SOI stack, an erase gate over a source region in the bulk substrate, and a bitline contact coupled to a drain region in the bulk substrate. The NVM structure may also include another memory device similar to the first memory device and sharing the source region.
    Type: Application
    Filed: January 13, 2021
    Publication date: July 14, 2022
    Inventors: Thomas Melde, Stefan Dünkel, Ralf Richter
  • Publication number: 20220186726
    Abstract: A screw spindle pump, including a housing and a drive spindle accommodated therein and at least one running spindle which meshes with the latter and which has in each case two terminal end surfaces. A stop surface is provided axially adjacent to at least one end surface of the running spindle, wherein the running spindle is accommodated displaceably with an axial clearance perpendicular to the stop surfaces.
    Type: Application
    Filed: August 10, 2021
    Publication date: June 16, 2022
    Inventors: Ralf RICHTER, Oliver TROSSMANN
  • Patent number: 11354478
    Abstract: A semiconductor circuit design method, system and computer program product for placing a unit pin on a boundary of a unit of a semiconductor circuit to be designed may be provided. Pin position data is received, wherein the pin position data comprises a chip pin position of a chip pin within the chip area and outside of the unit of a semiconductor circuit, to which the unit pin is to be electrically connected. The coordinates of a center point of the unit are determined, as well as a line crossing the center point and the chip pin position. The unit pin is placed on an intersection of the boundary of the unit and the line crossing the center point.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: June 7, 2022
    Assignee: International Business Machines Corporation
    Inventors: Lukas Daellenbach, Ralf Richter
  • Patent number: 11319433
    Abstract: Light scattering polymeric compositions have improved scattering efficiency and improved mechanical properties. The compositions include a polymeric matrix material and at least two different kinds of scattering particles uniformly dispersed therein.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: May 3, 2022
    Assignees: Röhm GmbH, Roehm America LLC
    Inventors: René Kogler, Michael Pasierb, Christopher Spain, Ursula Golchert, Ralf Richter, Ernst Becker, Stefan Nau
  • Patent number: 11319953
    Abstract: A screw spindle pump, comprising a pump housing having a lead screw received therein and at least one running spindle which meshes with said lead screw, as well as a connector housing which is placed onto the pump housing and has a suction connector and a pressure connector, the two latter fluidically communicating with a suction inlet and a pressure outlet of the pump housing, wherein the connector housing is composed of a first housing part and a second housing part, one of the two latter having the suction connector and the other having the pressure connector, both said housing parts being rotatable relative to the pump housing and both being rotatable relative to one another.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: May 3, 2022
    Assignee: LEISTRITZ PUMPEN GMBH
    Inventors: Ralf Richter, Susanne Brütting
  • Publication number: 20220004691
    Abstract: A semiconductor circuit design method, system and computer program product for placing a unit pin on a boundary of a unit of a semiconductor circuit to be designed may be provided. Pin position data is received, wherein the pin position data comprises a chip pin position of a chip pin within the chip area and outside of the unit of a semiconductor circuit, to which the unit pin is to be electrically connected. The coordinates of a center point of the unit are determined, as well as a line crossing the center point and the chip pin position. The unit pin is placed on an intersection of the boundary of the unit and the line crossing the center point.
    Type: Application
    Filed: March 9, 2021
    Publication date: January 6, 2022
    Inventors: Lukas Daellenbach, Ralf Richter
  • Publication number: 20210371651
    Abstract: A mixture contains at least one amino-regulated polyether block amide (PEBA) and at least one poly(meth)acrylate selected from poly(meth)acrylimides, polyalkyl(meth)acrylates, and mixtures thereof. The mass ratio of PEBA to poly(meth)acrylate is 95:5 to 60:40. The polyalkyl(meth)acrylate contains 80% by weight to 99% by weight of methyl methacrylate (MMA) units and 1% by weight to 20% by weight of C1-C10-alkyl acrylate units, based on the total weight of polyalkyl(meth)acrylate. The mixture can be processed to give foamed mouldings. The mouldings can be used in footwear soles, stud material, insulation or insulating material, damping components, lightweight components, or in a sandwich structure.
    Type: Application
    Filed: October 11, 2019
    Publication date: December 2, 2021
    Applicants: Evonik Operations GmbH, Röhm GmbH
    Inventors: Kathrin Salwiczek, Alexander Richter, Christine Weiß, Wolfgang Luley, Andreas Weber, Lukas Friedrich Dössel, David Bailey, Ralf Richter, Steffen Krill, Johannes Vorholz, Maren Kuhn
  • Patent number: 10997350
    Abstract: A semiconductor circuit design method, system and computer program product for placing a unit pin on a boundary of a unit of a semiconductor circuit to be designed may be provided. Pin position data is received, wherein the pin position data comprises a chip pin position of a chip pin within the chip area and outside of the unit of a semiconductor circuit, to which the unit pin is to be electrically connected. The coordinates of a center point of the unit are determined, as well as a line crossing the center point and the chip pin position. The unit pin is placed on an intersection of the boundary of the unit and the line crossing the center point.
    Type: Grant
    Filed: July 2, 2020
    Date of Patent: May 4, 2021
    Assignee: International Business Machines Corporation
    Inventors: Lukas Daellenbach, Ralf Richter
  • Publication number: 20210123437
    Abstract: A screw spindle pump, comprising a pump housing having a lead screw received therein and at least one running spindle which meshes with said lead screw, as well as a connector housing which is placed onto the pump housing and has a suction connector and a pressure connector, the two latter fluidically communicating with a suction inlet and a pressure outlet of the pump housing, wherein the connector housing is composed of a first housing part and a second housing part, one of the two latter having the suction connector and the other having the pressure connector, both said housing parts being rotatable relative to the pump housing and both being rotatable relative to one another.
    Type: Application
    Filed: October 6, 2020
    Publication date: April 29, 2021
    Inventors: Ralf RICHTER, Susanne BRÜTTING
  • Patent number: 10983159
    Abstract: A system, apparatus, and method of testing a plurality of test circuits is disclosed that includes inputting experiment data to the plurality of test circuits; applying a control signal to each of the plurality of test circuits to control application of the experiment data to the plurality of test circuits; and shifting the control signal in response to applying the control signal to each of the plurality of test circuits so that a different bit of the control signal is applied to each of the plurality of test circuits. The method in an aspect further comprises reading out a data out signal from each of the plurality of test circuits; and shifting the data out signal in response to reading out the data out signal from each of the plurality of test circuits.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: April 20, 2021
    Assignee: International Business Machines Corporation
    Inventors: Stefan Payer, Michael Klein, Cedric Lichtenau, Ralf Richter
  • Patent number: 10975864
    Abstract: A screw pump with a housing; a housing cover; at least one idler screw held in a bore in the housing; and a bushing arranged on the housing cover with a receiving space bounded by a cylindrical flange, into which one end of the idler screw engages; wherein the bushing has an opening in its base, through which a fluid, supplied by a feed channel in the cover, can be supplied from the end opposite the idler screw under pressure to the end surface of the idler screw, wherein the bushing engages with radial play in a receptacle in the cover and comprises a radial flange, by which it is supported axially on the housing; and wherein at a least certain part of the ring-shaped flange of the bushing engages in the bore and is accommodated therein with play.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: April 13, 2021
    Assignee: LEISTRITZ PUMPEN GMBH
    Inventors: Oliver Trossmann, Ralf Richter
  • Publication number: 20210102058
    Abstract: Light scattering polymeric compositions have improved scattering efficiency and improved mechanical properties. The compositions include a polymeric matrix material and at least two different kinds of scattering particles uniformly dispersed therein.
    Type: Application
    Filed: January 31, 2019
    Publication date: April 8, 2021
    Applicants: Röhm GmbH, Roehm America LLC
    Inventors: René Kogler, Michael Pasierb, Christopher Spain, Ursula Golchert, Ralf Richter, Ernst Becker, Stefan Nau
  • Patent number: 10947970
    Abstract: A modular system for producing a screw spindle pump having a housing with a drive spindle therein and at least one running spindle meshing with the drive spindle, including: a plurality of housing components including a basic housing component exhibiting a fluid inlet for the formation of a basic pump chamber, a housing pressure component exhibiting a fluid outlet, bearing the drive spindle for creating a pressure chamber, a housing cover arranged on the basic housing part for supporting running spindle, and identical intermediate housing components arrangeable in any number between the basic housing component and the housing pressure component and form an additional pump chamber in each case; and a plurality of running spindle elements including at least one running spindle base element arranged in the basic housing component, and identical running spindle extension elements arranged in the intermediate housing components.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: March 16, 2021
    Assignee: LEISTRITZ PUMPEN GMBH
    Inventors: Oliver Trossmann, Ralf Richter
  • Publication number: 20200200818
    Abstract: A system, apparatus, and method of testing a plurality of test circuits is disclosed that includes inputting experiment data to the plurality of test circuits; applying a control signal to each of the plurality of test circuits to control application of the experiment data to the plurality of test circuits; and shifting the control signal in response to applying the control signal to each of the plurality of test circuits so that a different bit of the control signal is applied to each of the plurality of test circuits. The method in an aspect further comprises reading out a data out signal from each of the plurality of test circuits; and shifting the data out signal in response to reading out the data out signal from each of the plurality of test circuits.
    Type: Application
    Filed: December 20, 2018
    Publication date: June 25, 2020
    Inventors: Stefan Payer, Michael Klein, Cedric Lichtenau, Ralf Richter
  • Patent number: 10600843
    Abstract: A memory device structure includes a wafer substrate and a magnetic tunnel junction (MTJ) positioned above an upper surface of the wafer substrate. The MTJ includes a first magnetic layer, a second magnetic layer laterally adjacent the first magnetic layer, and a nonmagnetic layer interposed between the first and second magnetic layers, wherein the first magnetic layer, the nonmagnetic layer and the second magnetic layer comprise a substantially vertical layer stack that extends along a first direction that is substantially perpendicular to the upper surface of the wafer substrate. A first contact is electrically coupled to the first magnetic layer and a second contact is electrically coupled to the second magnetic layer.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: March 24, 2020
    Assignee: MARVELL INTERNATIONAL LTD.
    Inventors: Ralf Richter, Yu-Teh Chiang, Ran Yan
  • Publication number: 20200071513
    Abstract: A process is for preparing polymeric particles for use as impact modifiers in curable (meth)acrylic resin compositions. Further, the process relates to a cured (meth)acrylic resin composition, in particular to adhesive or coating materials containing polymeric particles dispersed in a cured (meth)acrylic resin matrix. Said composition can be advantageously used as an adhesive, coating or a composite material.
    Type: Application
    Filed: February 26, 2018
    Publication date: March 5, 2020
    Applicant: Röhm GmbH
    Inventors: Ralf Richter, Lukas Friedrich Dössel, Thomas Haßkerl, Andrea Fruth, Michael Schnabel, Patrick Kliem
  • Publication number: 20200017622
    Abstract: A polymeric particle has an average diameter from 300 nm to 1000 nm and includes an outer layer, containing a cross-linked polymer A, and a first inner layer, containing a cross-linked polymer B, distinct from the cross-linked polymer A. The cross-linked polymer A is obtainable by emulsion polymerisation of a reaction mixture including at least one (meth)acrylic monomer, a cross-linking monomer A, a polymerisation initiator and a chain transfer agent.
    Type: Application
    Filed: February 23, 2018
    Publication date: January 16, 2020
    Applicant: Röhm GmbH
    Inventors: Andrea Fruth, Ralf Richter, Lukas Friedrich Dössel, Thomas Haßkerl, Michael Schnabel, Patrick Kliem