Patents by Inventor Dieter Naegele
Dieter Naegele 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).
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Patent number: 11193843Abstract: Aspects of the disclosure provide a capacitive pressure sensor. The capacitive pressure sensor can include a first substrate having a first surface and a second surface, a movable plate at a bottom of a first cavity recessed into the substrate from the first surface, and a second substrate bonded to the first substrate over the first surface. A second cavity is formed between the movable plate and the second surface. The second substrate includes a fixed plate disposed over the movable plate to form a capacitor. The second substrate further includes a third cavity between a surface of the fixed plate opposite to the movable plate and a surface of the second substrate opposite to the first substrate.Type: GrantFiled: April 9, 2020Date of Patent: December 7, 2021Inventors: Kathirgamasundaram Sooriakumar, Anu Austin, Ian Rose Bihag, Dieter Naegele-Preissmann
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Patent number: 11156519Abstract: Aspects of the disclosure provide a capacitive pressure sensor. The sensor can include a first substrate having a first surface and a second surface, a movable plate at a bottom of a first cavity recessed into the substrate from the first surface, and a second substrate bonded to the first substrate over the first surface. The second substrate includes a fixed plate disposed over the movable plate to form a capacitor. A second cavity is formed between the movable plate and the second surface.Type: GrantFiled: October 24, 2019Date of Patent: October 26, 2021Assignee: Innogrity Pte LtdInventors: Kathirgamasundaram Sooriakumar, Anu Austin, Ian Rose Bihag, Dieter Naegele-Preissmann
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Publication number: 20200249110Abstract: Aspects of the disclosure provide a capacitive pressure sensor. The capacitive pressure sensor can include a first substrate having a first surface and a second surface, a movable plate at a bottom of a first cavity recessed into the substrate from the first surface, and a second substrate bonded to the first substrate over the first surface. A second cavity is formed between the movable plate and the second surface. The second substrate includes a fixed plate disposed over the movable plate to form a capacitor. The second substrate further includes a third cavity between a surface of the fixed plate opposite to the movable plate and a surface of the second substrate opposite to the first substrate.Type: ApplicationFiled: April 9, 2020Publication date: August 6, 2020Inventors: Kathirgamasundaram SOORIAKUMAR, Anu AUSTIN, Ian Rose BIHAG, Dieter NAEGELE-PREISSMANN
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Patent number: 10648879Abstract: Aspects of the disclosure provide a capacitive pressure sensor. The capacitive pressure sensor can include a first substrate having a first surface and a second surface, a movable plate at a bottom of a first cavity recessed into the substrate from the first surface, and a second substrate bonded to the first substrate over the first surface. A second cavity is formed between the movable plate and the second surface. The second substrate includes a fixed plate disposed over the movable plate to form a capacitor. The second substrate further includes a third cavity between a surface of the fixed plate opposite to the movable plate and a surface of the second substrate opposite to the first substrate.Type: GrantFiled: February 22, 2017Date of Patent: May 12, 2020Inventors: Kathirgamasundaram Sooriakumar, Anu Austin, Ian Rose Bihag, Dieter Naegele-Preissmann
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Publication number: 20200056953Abstract: Aspects of the disclosure provide a capacitive pressure sensor. The sensor can include a first substrate having a first surface and a second surface, a movable plate at a bottom of a first cavity recessed into the substrate from the first surface, and a second substrate bonded to the first substrate over the first surface. The second substrate includes a fixed plate disposed over the movable plate to form a capacitor. A second cavity is formed between the movable plate and the second surface.Type: ApplicationFiled: October 24, 2019Publication date: February 20, 2020Inventors: Kathirgamasundaram SOORIAKUMAR, Anu AUSTIN, Ian Rose BIHAG, Dieter NAEGELE-PREISSMANN
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Patent number: 10488288Abstract: Aspects of the disclosure provide a capacitive pressure sensor. The sensor can include a first substrate having a first surface and a second surface, a movable plate at a bottom of a first cavity recessed into the substrate from the first surface, and a second substrate bonded to the first substrate over the first surface. The second substrate includes a fixed plate disposed over the movable plate to form a capacitor. A second cavity is formed between the movable plate and the second surface.Type: GrantFiled: February 22, 2017Date of Patent: November 26, 2019Inventors: Kathirgamasundaram Sooriakumar, Anu Austin, Ian Rose Bihag, Dieter Naegele-Preissmann
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Publication number: 20170241854Abstract: Aspects of the disclosure provide a capacitive pressure sensor. The sensor can include a first substrate having a first surface and a second surface, a movable plate at a bottom of a first cavity recessed into the substrate from the first surface, and a second substrate bonded to the first substrate over the first surface. The second substrate includes a fixed plate disposed over the movable plate to form a capacitor. A second cavity is formed between the movable plate and the second surface.Type: ApplicationFiled: February 22, 2017Publication date: August 24, 2017Inventors: Kathirgamasundaram SOORIAKUMAR, Anu AUSTIN, Ian Rose BIHAG, Dieter NAEGELE-PREISSMANN
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Publication number: 20170241855Abstract: Aspects of the disclosure provide a capacitive pressure sensor. The capacitive pressure sensor can include a first substrate having a first surface and a second surface, a movable plate at a bottom of a first cavity recessed into the substrate from the first surface, and a second substrate bonded to the first substrate over the first surface. A second cavity is formed between the movable plate and the second surface. The second substrate includes a fixed plate disposed over the movable plate to form a capacitor. The second substrate further includes a third cavity between a surface of the fixed plate opposite to the movable plate and a surface of the second substrate opposite to the first substrate.Type: ApplicationFiled: February 22, 2017Publication date: August 24, 2017Inventors: Kathirgamasundaram SOORIAKUMAR, Anu AUSTIN, Ian Rose BIHAG, Dieter NAEGELE-PREISSMANN
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Patent number: 9170164Abstract: The invention discloses a capacitive pressure sensor and a method of fabricating the same. The capacitive pressure sensor includes a fixed plate configured as a back plate, a movable plate configured as diaphragm for sensing pressure, wherein a cavity is formed between the fixed plate and the movable plate, an isolation layer between the fixed plate and the movable plate and electrical contacts thereof for minimizing the leakage current, plurality of damping holes for configuring the contour of the fixed plate as the deflected diaphragm when pressure is exerted, a vent hole extending to the cavity having resistive air path for providing equilibrium to the diaphragm and an extended back chamber for increasing the sensitivity of the capacitive pressure sensor. The capacitive pressure sensor is also configured for minimizing parasitic capacitance.Type: GrantFiled: December 17, 2012Date of Patent: October 27, 2015Inventors: Dieter Naegele-Preissmann, J. V. Sreedhar
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Publication number: 20140374858Abstract: The invention discloses a capacitive pressure sensor and a method of fabricating the same. The capacitive pressure sensor includes a fixed plate configured as a back plate, a movable plate configured as diaphragm for sensing pressure, wherein a cavity is formed between the fixed plate and the movable plate, an isolation layer between the fixed plate and the movable plate and electrical contacts thereof for minimizing the leakage current, plurality of damping holes for configuring the contour of the fixed plate as the deflected diaphragm when pressure is exerted, a vent hole extending to the cavity having resistive air path for providing equilibrium to the diaphragm and an extended back chamber for increasing the sensitivity of the capacitive pressure sensor. The capacitive pressure sensor is also configured for minimizing parasitic capacitance.Type: ApplicationFiled: December 17, 2012Publication date: December 25, 2014Inventors: Dieter NAEGELE-PREISSMANN, J.V. SREEDHAR
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Patent number: 6340713Abstract: Particulate expandable styrene polymers contain homogeneously distributed graphite particles and can be processed to give self-extinguishing foams having a density of ≦35 g/l.Type: GrantFiled: November 15, 1999Date of Patent: January 22, 2002Assignee: BASF AktiengesellschaftInventors: Guiscard Glück, Klaus Hahn, Knut Kaempfer, Dieter Naegele, Frank Braun
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Patent number: 6130265Abstract: In a process for preparing expandable styrene polymers containing graphite particles, styrene is polymerized in aqueous suspension in the presence of graphite particles.Type: GrantFiled: November 15, 1999Date of Patent: October 10, 2000Assignee: BASF AktiengesellschaftInventors: Guiscard Glueck, Klaus Hahn, Karl-Heinz Batscheider, Dieter Naegele, Knut Kaempfer, Wolfram Husemann, Frieder Hohwiller
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Patent number: 5985943Abstract: The present invention relates to expandable polystyrene beads containing blowing agent which are coated with from 0.01 to 0.5% by weight of a hydrophobicizing agent which melts above 25.degree. C. and has a mean particle size of less than 100 .mu.m. The beads can be converted into foam moldings having reduced water absorption capacity.Type: GrantFiled: November 12, 1998Date of Patent: November 16, 1999Assignee: Basf AktiengesellschaftInventors: Klaus Hahn, Horst Steinbrecher, Dieter Naegele, Achim Loffler, Manfred Gurtler, Hagen Schmitt, Jurgen Reichert
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Patent number: 5616624Abstract: A process for the preparation of bead-form expandable styrene polymers by polymerizing styrene, if desired in the presence of further comonomers, in aqueous suspension in the presence of organic molecular colloids as suspension stabilizers and conventional styrene-soluble polymerization catalysts and with addition of a blowing agent and, if desired, conventional additives in effective amounts, wherein the aqueous suspension contains at least one olefinically unsaturated carboxylic acid or a water-soluble salt thereof in an amount, based on the organic phase, of from 0.002 to 0.3% by weight of carboxylate anions.Type: GrantFiled: August 2, 1995Date of Patent: April 1, 1997Assignee: BASF AktiengesellschaftInventors: Michael Witt, Dietrich Scherzer, Klaus Hahn, Dieter Naegele
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Patent number: 5585410Abstract: Bead-form, expandable styrene polymers containing, based on the styrene polymer, from 0.005 to 1.5% by weight of polyethylene wax and from 0.005 to 1% by weight of dimeric .alpha.-methylstyrene, and a process for the preparation thereof.Type: GrantFiled: May 8, 1995Date of Patent: December 17, 1996Assignee: BASF AktiengesellschaftInventors: Dietrich Scherzer, Klaus Hahn, Michael Riethues, Dieter Naegele, Michael Witt, Wolfram Husemann
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Patent number: 5266602Abstract: An expandable styrene polymer comprisinga) a styrene polymer,b) from 1 to 10% by weight, based on a), of a saturated C.sub.3 - to C.sub.6 -hydrocarbon as blowing agent, and, if desired,c) conventional assistants in effective amounts, has a benzene content of less than 1 ppm and a styrene content of less than 2000 ppm.Type: GrantFiled: November 20, 1991Date of Patent: November 30, 1993Assignee: BASF AktiengesellschaftInventors: Manfred Walter, Wolfram Husemann, Dieter Naegele
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Patent number: 5118718Abstract: Expandable styrene polymers of high expandability comprisea) a styrene polymer having a viscosity, measured in toluene, of from 55 to 80 [ml/g] and a melt flow index MFI (190.degree. C., 3.8 kp) of from 7.5 to 30 [g/10 min],b) from 1 to 10% by weight, based on a), of a C.sub.3 - to C.sub.6 -hydrocarbon as blowing agent, and, if desired,c) conventional assistants in effective amounts.Type: GrantFiled: November 20, 1991Date of Patent: June 2, 1992Assignee: BASF AktiengesellschaftInventors: Manfred Walter, Wolfram Husemann, Dieter Naegele
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Patent number: 4454178Abstract: Poly(acetylene) films are produced by polymerization of acetylene, if appropriate mixed with a di- and/or poly(alkyne), in the presence of an active transition metal catalyst on filaments, fibers, woven or knitted fabrics, nonwovens, laid webs, interlaced structures or nets composed of metals, glass or natural and/or synthetic fibers.Type: GrantFiled: October 29, 1982Date of Patent: June 12, 1984Assignee: BASF AktiengesellschaftInventors: Herbert Naarmann, Dieter Naegele, Klaus Penzien
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Patent number: 4421840Abstract: A photopolymerizable recording material for the preparation of relief plates comprises a base and a photopolymerizable layer, which layer contains, as the binder, a substantially linear, high molecular weight, thermoplastic diisocyanate-modified nylon which is solid at room temperature and which possesses quaternary and/or quaternizable nitrogen atoms and also possesses photopolymerizable double bonds in side branches.Type: GrantFiled: December 9, 1981Date of Patent: December 20, 1983Assignee: BASF AktiengesellschaftInventors: August Lehner, Heinz U. Werther, Dieter Naegele, Werner Lenz, Mong-Jon Jun, Horst Reimann, Albrecht Eckell
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Patent number: 4401545Abstract: Electrically conductive complexes of polypyrroles with nitroaromatic anions are prepared by polymerizing pyrrole, an N-alkylpyrrole and/or an N-arylpyrrole by anodic oxidation in a polar solvent, in the presence of a salt of an acidic nitroaromatic compound.Type: GrantFiled: December 21, 1981Date of Patent: August 30, 1983Assignee: BASF AktiengesellschaftInventors: Herbert Naarmann, Dieter Naegele, Klaus Penzien, Johannes Schlag, Volker Kiener, Hugo Boehm