Patents by Inventor Abhijit Namjoshi
Abhijit Namjoshi 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: 11603880Abstract: A turbocharger shaft includes a connection portion at a connection with a wheel of the turbocharger. The shaft includes a stainless steel cladding at least along one or more grooves of the connection portion to reduce the risk of cold cracking and bending fatigue.Type: GrantFiled: May 7, 2019Date of Patent: March 14, 2023Assignee: Cummins Inc.Inventors: Hareash Nandalal Vontivilu, Erica M. Raisor, Nikhil Doiphode, Todd M. Wieland, Abhijit Namjoshi, Howard S. Savage
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Patent number: 11254793Abstract: The present invention provides thermosetting resin pre-impregnated or infused fiber materials or prepregs comprising a thermosetting resin mixture and a fiber material component of a heat resistant fiber, such as carbon fiber, having an areal weight of from 500 to 3,000 g/m2 having a coating of from 0.5 to 4 phr of a latent, particulate curative or solid curative, preferably, dicyandiamide, wherein the prepregs are infused with a thermosetting resin mixture comprising (a) at least one liquid epoxy resin, and (b) a hardener and/or a catalyst, as well as methods of making the same. The prepregs of present invention enables the simple provision of lightweight composites having consistent resin cure throughout.Type: GrantFiled: August 30, 2017Date of Patent: February 22, 2022Assignee: Dow Global Technologies LLCInventors: David H. Bank, Richard Baumer, Kevin J. Bouck, Jun Cai, Marsha L. Langhorst, Abhijit A. Namjoshi, Weijun Wang
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Publication number: 20210292499Abstract: The present invention provides thermosetting resin pre-impregnated or infused fiber materials or prepregs comprising a thermosetting resin mixture and a fiber material component of a heat resistant fiber, such as carbon fiber, having an areal weight of from 500 to 3,000 g/m2 having a coating of from 0.5 to 4 phr of a latent, particulate curative or solid curative, preferably, dicyandiamide, wherein the prepregs are infused with a thermosetting resin mixture comprising (a) at least one liquid epoxy resin, and (b) a hardener and/or a catalyst, as well as methods of making the same. The prepregs of present invention enables the simple provision of lightweight composites having consistent resin cure throughout.Type: ApplicationFiled: August 30, 2017Publication date: September 23, 2021Inventors: David H. Bank, Richard Baumer, Kevin J. Bouck, Jun Cai, Marsha L. Langhorst, Abhijit A. Namjoshi, Weijun Wang
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Patent number: 11018624Abstract: A photovoltaic assembly comprising: (a) at least two photovoltaic components that are adjacent to each other, each photovoltaic component comprising: (i) a partial connector channel in communication with a partial connector channel in an adjacent photovoltaic component and (ii) one or more connector receptors; (b) a connector located at least partially in the partial connector channel of the photovoltaic component and at least partially in the partial connector channel of the adjacent photovoltaic component so that the connector connects the photovoltaic component to the adjacent photovoltaic component, the connector comprising: a housing having: (1) a top housing and (2) a bottom housing, wherein the top housing and the bottom housing each include a first end and a second end; one or more flexible electrical conductors that extend from the first end to the second end; wherein the top housing and the bottom housing each include one or more mechanical flexing regions that allow the housing to mechanically flexType: GrantFiled: August 3, 2015Date of Patent: May 25, 2021Assignee: Dow Global Technologies LLCInventors: Piyush R. Thakre, Abhijit A. Namjoshi, Jay M. Tudor, Joseph A. Langmaid, Keith L. Kauffmann, Leonardo C. Lopez
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Publication number: 20190345972Abstract: A turbocharger shaft includes a connection portion at a connection with a wheel of the turbocharger. The shaft includes a stainless steel cladding at least along one or more grooves of the connection portion to reduce the risk of cold cracking and bending fatigue.Type: ApplicationFiled: May 7, 2019Publication date: November 14, 2019Inventors: Hareash Nandalal Vontivilu, Erica M. Raisor, Nikhil Doiphode, Todd M. Wieland, Abhijit Namjoshi, Howard S. Savage
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Publication number: 20170331415Abstract: An integrated frame comprising: (a) an integration portion that forms a cantilever connection with a stack of material, (b) a cover connected to and extending from the integration portion, and (c) a pair of extensions connected to and extending from the cover, wherein the cover extends over and protects a connector that is connected to and extending from the stack of material.Type: ApplicationFiled: October 21, 2015Publication date: November 16, 2017Inventors: Kurt A. Koppi, Leonardo C. Lopez, Abhijit A. Namjoshi, Gerald K. Eurich, Jay M. Tudor, Joseph A. Langmaid, Mark J. Lux, Matthew A. Stempki
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Publication number: 20170317644Abstract: A photovoltaic assembly comprising: (a) at least two photovoltaic components that are adjacent to each other, each photovoltaic component comprising: (i) a partial connector channel in communication with a partial connector channel in an adjacent photovoltaic component and (ii) one or more connector receptors; (b) a connector located at least partially in the partial connector channel of the photovoltaic component and at least partially in the partial connector channel of the adjacent photovoltaic component so that the connector connects the photovoltaic component to the adjacent photovoltaic component, the connector comprising: a housing having: (1) a top housing and (2) a bottom housing, wherein the top housing and the bottom housing each include a first end and a second end; one or more flexible electrical conductors that extend from the first end to the second end; wherein the top housing and the bottom housing each include one or more mechanical flexing regions that allow the housing to mechanically flexType: ApplicationFiled: August 3, 2015Publication date: November 2, 2017Applicant: DOW GLOBAL TECHNOLOGIES LLCInventors: Piyush R. Thakre, Abhijit A. Namjoshi, Jay M. Tudor, Joseph A. Langmaid, Keith L. Kauffmann, Leonardo C. Lopez
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Publication number: 20170248344Abstract: A photovoltaic module comprising: a base plate and a photovoltaic laminate that are connected together; wherein the photovoltaic module is configured to be directly connected to a roofing structure and provide roofing functions, and wherein the photovoltaic laminate is removable from the base plate without damaging the base plate and the base plate retains its roofing functions when the photovoltaic laminate is removed.Type: ApplicationFiled: October 8, 2015Publication date: August 31, 2017Inventors: Keith L. Kauffmann, Leonardo C. Lopez, Gerald K. Eurich, Patrick M. Kelleher, Joseph A. Langmaid, Mark J. Lux, Abhijit A. Namjoshi, Chad V. Schuette, Matthew A. Stempki, Jay M. Tudor, Kwanho Yang
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Patent number: 9281595Abstract: A connector system is configured for macro motion. Two mating terminals are configured so that during macro motion cycles, the resistance between two terminals does not substantially increase. One terminal can have multiple, somewhat spherical-shaped mating surfaces while a mating surface on the other terminal can be flat. The mating terminals can be configured to provide desirable resistance performance after more than 5000 cycles of macro motion.Type: GrantFiled: September 27, 2012Date of Patent: March 8, 2016Assignees: Molex, LLC, Dow Global Technologies LLCInventors: Abhijit Namjoshi, Ronald C. Hodge, Jinjie Shi, Joseph D. Comerci, Steven J. Rozeveld, Timothy R. Gregori, Narayan Ramesh, Karen Samiec, John C. McKeen, James R. Keenihan, David Parrillo
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Publication number: 20150325731Abstract: The invention relates to a photovoltaic article comprising a plurality of photovoltaic cells having first (22) and second (24) electrical connector segments in contact with the top side (18) of a first cell (10) and the backside (16) of a second adjacent cell (12). The materials used to form the electrical connector segments are selected to minimize corrosion, maximize contact area, and lower contact resistance over the lifetime of the article.Type: ApplicationFiled: August 9, 2013Publication date: November 12, 2015Inventors: Abhijit A. Namjoshi, Rebekah K. Feist, Leonardo C. Lopez, Michael E. Mills, Lindsey A. Clark, Kevin P. Capaldo
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Publication number: 20150255652Abstract: An article of manufacture includes an active solar area having a number of photovoltaic (PV) cell sets. Each of the PV cell sets includes one or more PV cells, and has a PV cell set area. Each of the PV cell sets includes a spacing distribution, where the spacing distribution is such that a geometric shape having a predetermined characteristic area value cannot be positioned to cover an area greater than a reverse biasing fraction of the PV cell set area corresponding to the PV cell set.Type: ApplicationFiled: August 20, 2013Publication date: September 10, 2015Inventors: Abhijit Namjoshi, John McKeen, Rebekah Feist
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Publication number: 20150107653Abstract: An article of manufacture (400) includes a number of photovoltaic cells (102) forming a photovoltaic (PV) module circuit, with a first bus bar (106) electrically coupled to one extremity of the PV module circuit and a second bus (206) bar electrically coupled to a second extremity of the PV module. The bus bars (106, 206) are positioned on an opposing side of the PV cells (104, 204) from a light incident side of the PV cells.Type: ApplicationFiled: May 29, 2013Publication date: April 23, 2015Inventors: Abhijit Namjoshi, Marty Degroot, Leonardo Lopez, Rebekah Feist, Lindsey Clark
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Publication number: 20140345675Abstract: The invention is a photovoltaic article comprising a first photovoltaic cell having a photoelectrically active region which is located between a topside electrode and a backside electrode, at least one first interconnect element in contact with the frontside electrode at a front surface of the cell and the interconnect element is adhered to the topside electrode of the cell, and at least one second interconnect element adhered to the backside electrode. An electronically conductive adhesive having a low Tg is used to adhere the interconnect element to the frontside electrode.Type: ApplicationFiled: September 13, 2012Publication date: November 27, 2014Inventors: Lindsey A. Clark, Degroot W. Marty, Feist K. Rebekah, Larsen H. Travis, Mills E. Michael, Abhijit A. Namjoshi, Wilson B. Mark
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Patent number: 8722789Abstract: A composition includes specific amounts of a virgin poly(arylene ether) resin and a rubber-modified polystyrene that is preferably derived from post-consumer recycling. The composition includes about 0.2 to about 1.5 weight percent of polymerized acrylonitrile residue that can originate as a contaminant in the recycled rubber-modified polystyrene. The composition avoids the need for compatibilizing agents required by related compositions.Type: GrantFiled: September 9, 2011Date of Patent: May 13, 2014Assignee: Sabic Innovative Plastics IP B.V.Inventors: Kirti Sharma, Abhijit Namjoshi
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Publication number: 20130046046Abstract: A composition includes specific amounts of a virgin poly(arylene ether) resin and a rubber-modified polystyrene that is preferably derived from post-consumer recycling. The composition includes about 0.2 to about 1.5 weight percent of polymerized acrylonitrile residue that can originate as a contaminant in the recycled rubber-modified polystyrene. The composition avoids the need for compatibilizing agents required by related compositions.Type: ApplicationFiled: September 9, 2011Publication date: February 21, 2013Inventors: Kirti Sharma, Abhijit Namjoshi
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Patent number: 8110632Abstract: A profile extruded article includes a composition that is formed by melt-kneading particular amounts of a poly(arylene ether), a polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer, a homopolystyrene, and a polysalicylate. The article is particularly useful in the fabrication of solar collectors for low cost solar energy systems.Type: GrantFiled: January 15, 2009Date of Patent: February 7, 2012Assignee: Sabic Innovative Plastics IP B.V.Inventors: Christian Lietzau, Vijay R. Mhetar, Abhijit Namjoshi, Geuch Zijlma
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Publication number: 20100179290Abstract: A profile extruded article includes a composition that is formed by melt-kneading particular amounts of a poly(arylene ether), a polystyrene-poly(ethylene-butylene)-polystyrene triblock copolymer, a homopolystyrene, and a polysalicylate. The article is particularly useful in the fabrication of solar collectors for low cost solar energy systems.Type: ApplicationFiled: January 15, 2009Publication date: July 15, 2010Inventors: Christian Lietzau, Vijay R. Mhetar, Abhijit Namjoshi, Geuch Zijlma
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Patent number: 7495113Abstract: A method of preparing a purified dianhydride is provided where said method comprises the steps of preparing a first mixture comprising water, at least one inorganic acid, and at least one dianhydride, said dianhydride comprising at least one impurity which is soluble in aqueous acid heating said first mixture until substantially all of said dianhydride is converted to a tetraacid comprised in a second mixture; filtering at least a portion of said second mixture to provide a solid tetraacid and a filtrate, said filtrate comprising at least a portion of said impurity; and heating the tetraacid provided in a solvent with concurrent distillation of water to provide a third mixture comprising a purified dianhydride and a solvent.Type: GrantFiled: December 22, 2004Date of Patent: February 24, 2009Assignee: SABIC Innovative PlasticsInventors: Eric James Pressman, Lioba Maria Kloppenburg, John Morgan Whitney, Abhijit Namjoshi, Spencer Thomas Oulman
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Publication number: 20080246186Abstract: A method for making a polyarylene ether copolymer including mixing a polyarylene ether, a hydroxyaromatic terminated siloxane reagent and an oxidant, and melt compounding the mixture. A polyarylene ether copolymer including a polyarylene ether, a hydroxyaromatic terminated siloxane reagent, an oxidant and a filler is also presented.Type: ApplicationFiled: April 9, 2007Publication date: October 9, 2008Inventors: Scott Michael Fisher, Susanta Banerjee, Subramanya Kishore Avadhanula Venkata, Anatharaman Dhanabalan, Vijay R. Mhetar, Abhijit Namjoshi
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Publication number: 20080033141Abstract: A method of preparing a capped poly(arylene ether) is described. By controlling the order of addition and rates of addition of reactants, solvent, and catalyst, problems associated with known methods are avoided. The method is particularly suitable for large-scale preparations of a capped poly(arylene ether).Type: ApplicationFiled: August 1, 2006Publication date: February 7, 2008Inventors: Gary M. Bates, Carolyn A. Degonzague, Raymond John Gerhart, Hua Guo, Zhiqing Lin, Thomas P. Mufaie, Abhijit Namjoshi, John M. Rowe, Nitin Vaish