Patents Assigned to Teknologian Tutkimuskeskus VTT
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Patent number: 11585047Abstract: An apparatus and a method which heat an elongated product in at least two pulses including at least one first pulse wherein the product is pressed for at least 10 ms on a first pressure and at least one second heating and smoothing pulse wherein the product is pressed and/or heated at least for 10 ms on a pressure that is higher than the first pressure. The heating elements being arranged to heat the elongated product so that the heating the heating temperature is at least 80° C. on at least one surface of the elongated product.Type: GrantFiled: February 4, 2021Date of Patent: February 21, 2023Assignee: Teknologian tutkimuskeskus VTT OyInventors: Riku Pihko, Jani Lehmonen, Kay Rökman
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Patent number: 11578125Abstract: The present invention relates to the fields of antibodies, antigen binding fragments and immunodiagnostics. Specifically, the invention relates to a recombinant anti-body or antigen binding fragment for binding thyroid hormone T4 (thyroxine) and halogenated bisphenol A. Also, the present invention relates to an isolated nucleic acid molecule comprising a nucleotide sequence that encodes the recombinant antibody or antigen binding fragment of the present invention, as well as an ex-pression vector and host cell comprising the nucleic acid molecule of the present invention. Still, the present invention relates to a method of producing a recombi-nant antibody or antigen binding fragment for binding T4 thyroid hormone and hal-ogenated bisphenol A, a test kit and an immunoassay comprising the recombinant antibody or antigen binding fragment of the present invention, and a method for determining T4 thyroid hormone and/or halogenated bisphenol A levels in a sam-ple of a subject.Type: GrantFiled: May 28, 2019Date of Patent: February 14, 2023Assignees: Teknologian tutkimuskeskus VTT Oy, Politecnico di MilanoInventors: Tarja Nevanen, Henri Arola, Antti Tullila, Juha Rouvinen, Tarja Parkkinen, Pierangelo Metrangolo
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Patent number: 11581473Abstract: A superconducting junction comprises: a first layer and a second layer of superconducting material; a tunneling layer of insulating material disposed between the first layer and the second layer of the superconducting material; and a layer of thermally conducting, non-superconducting material disposed between the first layer and the second layer of the superconducting material, the non-superconducting layer being in contact with either the first layer or the second layer of superconducting material.Type: GrantFiled: December 27, 2020Date of Patent: February 14, 2023Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventor: Mikko Kiviranta
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Patent number: 11575216Abstract: According to an example aspect of the present invention, there is provided an antenna array for a transmit-array antenna system with a fixed feed antenna, comprising an inner radiating surface for receiving a first signal from the fixed feed antenna, an outer radiating surface for emitting a second signal from the antenna array and a platform for electric connection of Radio Frequency, RF, components disposed between the inner and outer radiating surfaces, the platform having a phase shifter for operatively connecting the inner and outer radiating surfaces.Type: GrantFiled: September 16, 2019Date of Patent: February 7, 2023Assignee: Teknologian tutkimuskeskus VTT OyInventors: Jouko Aurinsalo, Antti Lamminen
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Patent number: 11554384Abstract: The present invention relates to a method for manufacturing structural layers for guiding liquid flow on a porous substrate, by printing onto at least one area of at least one surface of the substrate a printing solution containing an aqueous dispersion of a poly(lactic acid)-based copolymer.Type: GrantFiled: April 9, 2020Date of Patent: January 17, 2023Assignee: Teknologian tutkimuskeskus VTT OyInventors: Kaisa Kiri, Adina Anghelescu-Hakala
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Patent number: 11548198Abstract: A single-screw extruder (100), and a method. The extruder (100) comprises—a cylindrical rotor member (1) having diameter (D) and length (L) and comprising a feeding zone (14), —the rotor member (1) arranged in a barrel (2), —the cylindrical surface of the rotor member (1) carrying cavity/cavities and/or projection(s) (5) arranged in helically extending rows, —the helically extending row(s) of the rotor member (1) having a pitch (P) and depth (d) in the feeding zone (14) of the rotor member, and the extruder (100) further compris-ing—a drive system (4) for the rotation of the rotor member (1) in the barrel (2). The relation of the depth (d) to the diame-ter (D) of the rotor member, i.e. d:D, is not more than 1:20, and the relation of the pitch (P) of the rotor member to the di-ameter (D) of the rotor member, i.e. P:D, is not more than 1:4.Type: GrantFiled: August 25, 2017Date of Patent: January 10, 2023Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Hannu Minkkinen, Antti Ojala, Kirsi Immonen
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Patent number: 11548779Abstract: A micro structure with a substrate having a top surface; a first electrode with a horizontal orientation parallel to the top surface of the substrate, wherein the first electrode is embedded within the substrate so that a top surface of the first electrode coincides with the top surface of the substrate; a dielectric layer arranged on the top surface of the first electrode; and a second electrode arranged above the dielectric layer.Type: GrantFiled: June 15, 2018Date of Patent: January 10, 2023Assignee: Teknologian Tutkimuskeskus VTT OyInventors: Hannu Kattelus, Tauno Vähä-Heikkilä
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Publication number: 20220403266Abstract: The invention relates to a method and an apparatus for removing impurities from a gasification gas, wherein the gasification gas which includes at least tars and/or undesired hydrocarbons is supplied to a catalytic reformer which has at least one catalyst bed, oxygen containing gas is injected onto the surface of the catalyst bed, the gasification gas is arranged to flow through the catalyst bed and arranged to contact with the oxygen containing gas in the catalyst bed, and a purified gas is discharged from the catalytic reformer. Further, the invention relates to the use of the method.Type: ApplicationFiled: October 7, 2020Publication date: December 22, 2022Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Ilkka HILTUNEN, Esa KURKELA
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Patent number: 11515851Abstract: According to an example aspect of the present invention, there is provided a travelling wave parametric amplifier comprising a waveguide transmission line comprising therein at least ten Josephson elements, wherein each of the at least ten Josephson element comprises a loop, with exactly one Josephson junction of first size on one half of the loop and at least two Josephson junctions of a second size on a second half of the loop, the second size being larger than the first size, a flux bias line configured to generate a magnetic flux threading each of the at least one loop, and a set of resistors coupled with the flux bias line.Type: GrantFiled: January 8, 2020Date of Patent: November 29, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Visa Vesterinen, Juha Hassel
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Patent number: 11504768Abstract: A method for producing hard metal powder suitable for manufacturing hard metal products including metal carbides and a binder is provided. An easy to carry out method that provides high quality hard metal powder includes: a) dissolving in water, water soluble raw materials and a binder source to form an aqueous solution, b) drying the aqueous solution to form a precursor powder having the raw materials homogenously distributed throughout the precursor powder, c) decomposing the precursor powder by heating the powder in an inert atmosphere to remove gas evolved in the decomposition of the raw materials, d) grinding the precursor powder and mixing it with a liquid media to produce a suspension, e) spray drying the suspension to agglomerate the precursor powder, and f) heat treating the agglomerated precursor powder to form a hard metal powder containing agglomerates of carbides evenly distributed and bonded to a metallic matrix.Type: GrantFiled: February 16, 2018Date of Patent: November 22, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Juha Lagerbom, Marjaana Karhu, Hanna-Mari Sinilehto, Ulla Kanerva
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Patent number: 11506919Abstract: The invention relates to optical waveguide components, such as Faraday rotators and their manufacture Faraday rotators based on silicon waveguides are provided, where the waveguide has folded or wound sections that are parallel to an externally applied magnetic field.Type: GrantFiled: August 22, 2018Date of Patent: November 22, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Matteo Cherchi, Alexander Petrov, Dirk Jalas, Mikko Harjanne, Timo Aalto, Manfred Eich
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Publication number: 20220364003Abstract: The invention relates to a method and an apparatus for purifying gas, wherein the gas which includes at least tars and/or undesired hydrocarbons is supplied to a catalytic treatment reactor which has at least one catalyst zone including at least one catalyst element with a catalyst, oxygen gas is fed into the catalyst element of the catalyst zone in the catalytic treatment reactor and is supplied through the catalyst element, the gas is arranged to flow to the catalyst zone and arranged to contact with the oxygen gas and the catalyst, and a purified gas is discharged from the catalytic treatment reactor. Further, the invention relates to the use of the method.Type: ApplicationFiled: October 7, 2020Publication date: November 17, 2022Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Esa KURKELA, Ilkka HILTUNEN
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Publication number: 20220364984Abstract: A measuring apparatus for measuring a spectrum of a gaseous sample includes a tunable laser light source to provide an illuminating light beam, a sample cell with an inner surface to provide scrambled light that is transmitted through the gaseous sample, a detector to detect intensity of transmitted scrambled light and a pressure control system to maintain an absolute pressure of the gaseous sample smaller than 50 kPa inside the sample cell to reduce spectral widths of spectral features of the gaseous sample. The measuring apparatus measures spectral transmittance values of the sample by modulating the spectral position of the illuminating light, and detecting the intensity of the transmitted light at different spectral positions. The divergence of the illuminating light beam in a transverse direction is greater than 20° to cause multiple consecutive reflections of the scrambled light from the inner surface.Type: ApplicationFiled: October 8, 2020Publication date: November 17, 2022Applicant: Teknologian tutkimuskeskus VTT OyInventors: Teemu KÄÄRIÄINEN, Albert MANNINEN
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Patent number: 11486900Abstract: A probe apparatus of a millimeter or submillimeter radio frequency band comprises transition layers having outermost layers on opposite surfaces of the probe apparatus. An internal transition cavity extends through the transition layers for guiding electromagnetic radiation within the probe apparatus. A probe layer disposed between the transition layers, the probe layer having a lateral transmission line for interacting with the electromagnetic radiation guided by the internal transmission cavity.Type: GrantFiled: May 22, 2018Date of Patent: November 1, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Vladimir Ermolov, Antti Lamminen, Jussi Säily, Tauno Vähä-Heikkilä, Pekka Rantakari
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Patent number: 11479330Abstract: According to an example aspect of the present invention, there is provided a marine propulsion system (1) comprising a first portion (4) and a second portion (5) of a set of movable foils, a movement mechanism (2) coupled to the first portion (4) and the second portion (5) of the set of movable foils and configured to simultaneously control a motion of the first portion (4) and the second portion (5) of the set of foils along a closed first trajectory (6) comprising a first direction (17) and a second direction (18) which is different than the first direction (17), and a pitch mechanism (3) coupled to the first portion (4) and the second portion (5) of the set of movable foils and configured to control a pitch angle (?) of the first portion (4) and the second portion (5) of the set of movable foils, and wherein the pitch angle (?) of at least a part of the second portion (5) of the set of foils is dependent on an incoming fluid flow (vx), the motion of the second portion (5) of the set of foils, and a flow (vType: GrantFiled: October 17, 2017Date of Patent: October 25, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventor: Antonio Sánchez-Caja
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Publication number: 20220301968Abstract: A semiconductor apparatus having a silicon substrate layer at least portion of which is doped with dopants of a conductivity type; and at least one insulator layer formed above the silicon substrate layer, wherein the at least one insulator layer and the dopants of the silicon substrate layer have opposite electric charges.Type: ApplicationFiled: June 8, 2022Publication date: September 22, 2022Applicant: Teknologian tutkimuskeskus VTT OyInventors: Heikki VILJANEN, Pekka RANTAKARI, Tauno VÄHÄ-HEIKKILÄ, Esa TUOVINEN
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Patent number: 11446586Abstract: According to an example aspect of the present invention, there is provided a method for separating and purifying furan carboxylates from a crude reaction mixture comprising furans, by utilizing high vacuum distillation in a total heating environment.Type: GrantFiled: February 11, 2019Date of Patent: September 20, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: David Thomas, Juha Linnekoski
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Patent number: 11421042Abstract: According to an example aspect of the present invention, there is provided a use of molar mass controlled cellulose in injection molding, extrusion and three dimensional printing applications.Type: GrantFiled: February 12, 2018Date of Patent: August 23, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Pia Willberg-Keyriläinen, Jarmo Ropponen, Ali Harlin, Riku Talja
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Patent number: 11409030Abstract: A masking device disposed over a display has a first viewing region, a second viewing region, a first operating mode, and a second operating mode, wherein in the first operating mode the masking device allows a first observer located in the first viewing region to observe information displayed on the display, and also allows a second observer located in the second viewing region to observe the displayed information, wherein in the second operating mode the masking device projects light to the second viewing region so as to prevent the second observer from observing the displayed information.Type: GrantFiled: October 26, 2021Date of Patent: August 9, 2022Assignee: Teknologian Tutkimuskeskus VTT OyInventors: Teemu Ruotsalainen, Asko Sneck, Tapio Mäkelä
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Patent number: 11402272Abstract: An absorber structure for a thermal detector, the absorber structure including edges defining a basic form, a plurality of first legs of electrically conducting material joined in an electrically conductive manner to form, between the edges of the absorber structure, a grid having openings, the first legs forming at least one continuous connection between the edges of the absorber structure; and a plurality of second legs of electrically conducting material joined in an electrically conductive manner to the first legs, wherein the second legs protrude from the first legs into the openings of the grid and terminate at points of termination located at a distance from adjacent first legs.Type: GrantFiled: October 30, 2019Date of Patent: August 2, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Kirsi Tappura, Aapo Varpula, Mika Prunnila