Patents Assigned to Teknologian Tutkimuskeskus VTT Oy
-
Patent number: 11371032Abstract: The present invention discloses a polypeptide having beta-glucosidase activity. The activity is retained also in high glucose concentration. The invention also discloses an isolated polynucleotide, a nucleic acid construct and a recombinant host usable in production of said polypeptide, and a method for producing the polypeptide. Further the invention discloses compositions including the polypeptide and method of using the polypeptide in hydrolysis or synthesis.Type: GrantFiled: June 4, 2019Date of Patent: June 28, 2022Assignee: Teknologian Tutkimuskeskus VTT OyInventors: Kaisa Marjamaa, Anu Koivula, Nina Aro, Tiina Pakula
-
Publication number: 20220184700Abstract: Sensor construction (1), which construction comprises a sensor (2), wherein the sensor construction (1) comprises a heat insulating material cover (3) for embedding the sensor construction inside metal material of a component (10), inside which heat insulating material cover the sensor is located, and which heat insulating material cover comprises a level surface section for correct positioning of the sensor construction inside the component during powder bed fusion additive manufacturing process of the component, and a hole (4) extending as a substantially straight channel from the outer surface of the heat insulating material cover to the sensor inside the heat insulating material cover. The invention also relates to a method for manufacturing an article with such a sensor construction (1) embedded.Type: ApplicationFiled: April 3, 2020Publication date: June 16, 2022Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Risto KUIVANEN, Pasi PUUKKO, Antti VAAJOKI, Kimmo RUUSUVUORI, Alejandro REVUELTA
-
Patent number: 11362350Abstract: The invention concerns fuel cell systems and methods for converting chemical energy of a fuel containing hydrogen into electricity. According to the invention, a fuel cell stack is provided having at least one anode and one cathode separated by a proton-exchange membrane. A fuel transport circuit feeds fuel to the fuel cell stack, and a temperature control system is adapted to control the temperature of the fuel cell stack by circulating a coolant medium through said fuel cell stack. The temperature control system includes a pump for circulating the coolant medium, a heater unit connected to a coolant transport circuit for heating the coolant with a PTC heater, a heat radiation unit connected to the coolant transport circuit for removing excess heat, and a temperature sensor.Type: GrantFiled: June 26, 2019Date of Patent: June 14, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventor: Pauli Koski
-
Patent number: 11336334Abstract: An electronic label apparatus comprises: an inductive communication unit which communicates wirelessly using inductive signals; a processor; memory including a computer program code; and a power source which supplies electric power to the inductive communication unit, the processor, and the memory for enabling their operation. The processor, the memory, the computer program code and the power source with the electric power cause the electronic label apparatus at least to: receive a plurality of inductive signals of known transmission powers from known locations; measure signal powers of the received inductive signals; and determine information about a location of the electronic label apparatus based on the measured signal powers, the known transmission signal powers and the known locations.Type: GrantFiled: April 4, 2019Date of Patent: May 17, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Ville Kolehmainen, Jukka Kämäräinen
-
Patent number: 11332750Abstract: The present invention provides an expression system for a eukaryotic host, which comprises 1) an expression cassette comprising a core promoter, the core promoter controlling the expression of a DNA sequence encoding a synthetic transcription factor (sTF), and 2) one or more expression cassettes each comprising a DNA sequence encoding a desired product operably linked to a synthetic promoter, the synthetic promoter comprising a core promoter, and sTF-specific binding sites upstream of the core promoter. The present invention also provides a method for identifying universal core promoters for eukaryotic hosts, expression systems using universal core promoters, hosts comprising the systems, and methods for producing protein products in eukaryotic hosts.Type: GrantFiled: February 21, 2017Date of Patent: May 17, 2022Assignee: Teknologian Tutkimuskeskus VTT OYInventors: Dominik Mojzita, Anssi Rantasalo, Jussi Jäntti, Christopher Landowski, Joosu Kuivanen
-
Publication number: 20220145194Abstract: A method and process arrangement for producing hydrocarbons from polymer-based waste in which the polymer-based waste is gasified with steam at low temperature in a gasifier for forming a product mixture, and the temperature is 640-750° C., and the product mixture is supplied from the gasifier to a recovery unit of the hydrocarbons for separating at least one hydrocarbon fraction.Type: ApplicationFiled: February 21, 2020Publication date: May 12, 2022Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Matti NIEMINEN, Matti REINIKAINEN
-
Patent number: 11326199Abstract: A method for amplification in a microfluidic assay, includes binding an analyte to a transport element, wherein the transport element includes a particle and a first antibody element and the analyte is bound to the first antibody element; moving the transport element with the analyte towards a tracer storage site including tracer elements which includes a first binder element, a label element and a second antibody element; binding the analyte to the second antibody element; moving the transport element with the analyte and the tracer element towards a tracer transport site including second binder elements; binding the first binder element with a second binder element; moving the transport element with the analyte towards the tracer storage site so that the analyte is detached from the second antibody element of the tracer element while the first binder element remains bound to the second binder element.Type: GrantFiled: June 4, 2021Date of Patent: May 10, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Jussi Hiltunen, Prateek Singh
-
Publication number: 20220128757Abstract: 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: ApplicationFiled: October 26, 2021Publication date: April 28, 2022Applicant: Teknologian tutkimuskeskus VTT OyInventors: Teemu RUOTSALAINEN, Asko SNECK, Tapio MÄKELÄ
-
Publication number: 20220118676Abstract: There is provided a method for manufacturing a patterned cellulose-based film. The cellulose-based film is modified with a pattern provided by a mold is caused to absorb water. The absorbed water causes a volume increase of the cellulose-based film, which causes modifying the cellulose-based film by the cellulose-based film pressing against the mold. Since, the cellulose-based film is pressed against the mold due to swelling caused by water molecules absorbed into the cellulose-based film, the pattern of the mold may be replicated to the cellulose-based film without necessarily requiring any external pressure.Type: ApplicationFiled: February 4, 2020Publication date: April 21, 2022Applicant: Teknologian Tutkimuskeskus VTT OyInventor: Tapio MÄKELÄ
-
Patent number: 11309618Abstract: According to an example aspect of the present invention, there is provided antenna array comprising: a plurality of parallel antenna elements arranged on a printed circuit board laminate comprising a flexible substrate layer on a rigid substrate layer comprising portions specific to one or more antenna elements, said flexible substrate layer comprising a feed network, wherein the rigid substrate layer is configured movable between a first arrangement of the portions of the rigid substrate layer, where the antenna array has a planar form, and a second arrangement of the portions of the rigid substrate layer, where the antenna array is curved around one or more axes.Type: GrantFiled: October 8, 2018Date of Patent: April 19, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Jussi Säily, Antti Lamminen
-
Publication number: 20220097014Abstract: A single-screw extruder and method are disclosed wherein the extruder includes a cylindrical rotor member arranged in a barre, and a drive system for rotation of the rotor member in the barrel. The extruder includes an outlet-provided with a die, having an outer ring arranged to the barrel, and an inner die part, the die establishing a flow channel that is continuously circular in all its cross-sections.Type: ApplicationFiled: January 10, 2020Publication date: March 31, 2022Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Hannu MINKKINEN, Juha MANNILA
-
Patent number: 11261840Abstract: According to an example aspect of the present invention, there is provided a system for harnessing energy from moving ice, the system comprising a first part configured to move into a first direction under pressure caused by moving ice at least until an ice compression strength is reached and to subsequently move into a second direction, and a second part configured to transform kinetic energy of a cyclic motion of the first part into electric energy.Type: GrantFiled: October 18, 2018Date of Patent: March 1, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Jaakko Heinonen, Kari Kolari, Lasse Makkonen, Maria Tikanmäki
-
Publication number: 20220049170Abstract: The invention relates to an apparatus for treating waste material including organic components and radioactive agents. In the apparatus the waste material including organic components and radioactive agents are gasified at temperature between 600-950° C. in a fluidized bed reactor to form a gaseous material. The gaseous material is than cooled in a water quenching device so that temperature is between 300-500° C. after the cooling. The solid fraction including radioactive agents is removed from the gaseous material in a in at least one filtration device. A gas scrubbing device then removes sulphur by scrubbing the treated gaseous material after the filtration in order to form a treated gaseous material.Type: ApplicationFiled: October 29, 2021Publication date: February 17, 2022Applicant: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Esa KURKELA, Matti NIEMINEN
-
Patent number: 11247269Abstract: The invention relates to a method for forming powder particles, wherein the method comprises feeding a start material mixture including more than one constituents in the form of granules into a reactor comprising a reaction zone and a heat source, performing thermal synthesis in the reaction zone in which the start material mixture is moved and the constituents of the start material mixture react in the presence of heat so that the reaction is started by means of heat of the reactor and energy of the start material mixture is released in the form of heat in order to achieve the reaction, and producing powder particles during the reaction. Further, the invention relates to a powder particle product.Type: GrantFiled: April 27, 2016Date of Patent: February 15, 2022Assignee: Teknologian Tutkimuskeskus VTT OyInventors: Tomi Lindroos, Ulla Kanerva, Juha Lagerbom, Pertti Lintunen
-
Patent number: 11241648Abstract: An apparatus and a method for cleaning a stream. The apparatus having at least one hot filtration device, which includes a filter vessel and at least one filter candle located inside the filter vessel, an inlet of medium in an upper part of the filter vessel for supplying the medium including particles to the filter vessel, an outlet of the medium in the bottom part for discharged the medium from the filter vessel, a moving bed including the medium which is arranged in the vessel so that the filter candle is inside the moving bed, at least one feed inlet for supplying the stream to the filter vessel, and at least one gas outlet for supplying a purified gas out from the filter vessel.Type: GrantFiled: May 9, 2018Date of Patent: February 8, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Sampo Ratinen, Yrjo Solantausta, Matti Nieminen, Christian Lindfors, Anssi Kalli
-
Patent number: 11214046Abstract: According to an example aspect of the present invention, there is provided bio-based mineral oil barrier coatings and films usable for decreasing mineral oil migration, for example in food packaging materials, and thus improving the safety of the materials facing the mineral oil containing environment.Type: GrantFiled: February 3, 2017Date of Patent: January 4, 2022Assignee: Teknologian tutkimuskeskus VTT OyInventors: Jari Vartiainen, Christiane Laine, Marja Pitkänen, Taina Ohra-Aho, Adina Anghelescu-Hakala
-
Patent number: 11214704Abstract: Described herein is a feasible, significantly simplified production method that avoids challenging lactonization steps and converts a low molecular weight aliphatic polyester, consisting of hydroxy acids and a comonomer, whose molecular weight has been increased by step-growth polymerization reactions. The molecular weight of the aliphatic polyester, based on comparison of initial and final weight average molecular weights (Mw,1/Mw,2), increased significantly at a rate which permits the use of reactive extrusion to produce high molecular weight aliphatic polyesters in a simple, economically feasible manner.Type: GrantFiled: December 9, 2019Date of Patent: January 4, 2022Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Thomas Gadda, Minni Pirttimaa, Ali Harlin, Mika Harkonen
-
Publication number: 20210404880Abstract: 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: ApplicationFiled: October 30, 2019Publication date: December 30, 2021Applicant: Teknologian tutkimuskeskus VTT OyInventors: Kirsi TAPPURA, Aapo VARPULA, Mika PRUNNILA
-
Patent number: 11199455Abstract: A wafer-level integrated thermal detector comprises a first wafer and a second wafer (W1, W2) bonded together. The first wafer (W1) includes a dielectric or semiconducting substrate (100), a dielectric sacrificial layer (102) deposited on the substrate, a support layer (104) deposited on the sacrificial layer or the substrate, a suspended active element (108) provided within an opening (106) in the support layer, a first vacuum-sealed cavity (110) and a second vacuum-sealed cavity (106) on opposite sides of the suspended active element. The first vacuum-sealed cavity (110) extends into the sacrificial layer (102) at the location of the suspended active element (108). The second vacuum-sealed cavity (106) comprises the opening of the support layer (104) closed by the bonded second wafer.Type: GrantFiled: August 31, 2018Date of Patent: December 14, 2021Assignee: TEKNOLOGIAN TUTKIMUSKESKUS VTT OYInventors: Aapo Varpula, Bin Guo
-
Patent number: 11175454Abstract: The invention relates to photonic circuits, in particular to photonic circuits where light is escalated transferred between optical waveguides which are coupled to photonic devices. A first waveguide on a silicon substrate is provided having a first thickness and a first refractive index. A tapered second waveguide having a second thickness less than the first thickness and a second refractive index higher than said first refractive index is deposited on the first waveguide. At least one layer of an optically active material comprising a photonic device is deposited on the first waveguide adjacent to the second waveguide. The photonic device is interfaced with the wide end of the tapered second waveguide to provide an optical coupling, and the opposite narrow end of the tapered second waveguide is interfaced on top of the first waveguide to provide adiabatic light transfer between said first and second waveguides.Type: GrantFiled: April 23, 2018Date of Patent: November 16, 2021Assignee: Teknologian tutkimuskeskus VTT OyInventors: Matteo Cherchi, Timo Aalto, Sanna Arpiainen