Patents by Inventor Mohan Manoharan
Mohan Manoharan 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: 8497029Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials. The oxide materials described herein as a class typically contain one or more of ytterbia (Yb2O3) and europia (Eu2O3). The oxides may further contain other additives, such as oxides of gadolinium (Gd), samarium (Sm), dysprosium (Dy), or terbium (Tb). In certain embodiments the oxide, in addition to the ytterbia and/or europia, further comprises lanthanum (La), praseodymium (Pr), or neodymium (Nd).Type: GrantFiled: September 28, 2011Date of Patent: July 30, 2013Assignee: General Electric CompanyInventors: Molly Maureen Gentleman, James Anthony Ruud, Margaret Louise Blohm, Mohan Manoharan
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Patent number: 8419974Abstract: Disclosed here are methods for the preparation of optionally activated nanocrystalline rare earth phosphates. The optionally activated nanocrystalline rare earth phosphates may be used as one or more of quantum-splitting phosphor, visible-light emitting phosphor, vacuum-UV absorbing phosphor, and UV-emitting phosphor. Also disclosed herein are discharge lamps comprising the optionally activated nanocrystalline rare earth phosphates provided by these methods.Type: GrantFiled: December 11, 2008Date of Patent: April 16, 2013Assignee: General Electric CompanyInventors: Holly Ann Comanzo, Mohan Manoharan, Sergio Paulo Martins Loureiro, Anant Achyut Setlur, Alok Mani Srivastava
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Patent number: 8389106Abstract: Articles coated via a plasma spray process, and methods for making such articles, are presented. For example, one embodiment is an article comprising a substrate comprising a top surface and a channel disposed in the substrate. The channel is defined by an internal channel surface disposed beneath the top surface and having a terminal end at an orifice at the top surface. A coating is disposed on the top surface and on at least a portion of the internal channel surface. A coating thickness at any point on the internal channel surface is less than a nominal coating thickness on the top surface, and the coating comprises a plurality of at least partially melted and solidified particles.Type: GrantFiled: March 15, 2012Date of Patent: March 5, 2013Assignee: General Electric CompanyInventors: Larry Steven Rosenzweig, James Anthony Ruud, Mohan Manoharan, Brian Harvey Pilsner
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Publication number: 20120251774Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials. The oxide materials described herein as a class typically contain one or more of ytterbia (Yb2O3) and europia (Eu2O3). The oxides may further contain other additives, such as oxides of gadolinium (Gd), samarium (Sm), dysprosium (Dy), or terbium (Tb). In certain embodiments the oxide, in addition to the ytterbia and/or europia, further comprises lanthanum (La), praseodymium (Pr), or neodymium (Nd).Type: ApplicationFiled: September 28, 2011Publication date: October 4, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Molly Maureen Gentleman, James Anthony Ruud, Margaret Louise Blohm, Mohan Manoharan
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Patent number: 8236432Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials, methods for making these articles and materials, and methods for protecting articles using coatings made from these materials. One particular embodiment is an article that comprises a coating having a surface connected porosity content of up to about 5 percent by volume. The coating comprises a material that comprises a primary oxide and a secondary oxide, wherein (i) the primary oxide comprises a cerium cation, and (ii) the secondary oxide comprises a cation selected from the group consisting of the praseodymium and neodymium. The material is transparent to electromagnetic radiation of at least one type selected from the group consisting of ultraviolet radiation, visible light, and infrared radiation.Type: GrantFiled: December 16, 2010Date of Patent: August 7, 2012Assignee: General Electric CompanyInventors: Molly Maureen Gentleman, James Anthony Ruud, Mohan Manoharan
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Publication number: 20120189817Abstract: Articles coated via a plasma spray process, and methods for making such articles, are presented. For example, one embodiment is an article comprising a substrate comprising a top surface and a channel disposed in the substrate. The channel is defined by an internal channel surface disposed beneath the top surface and having a terminal end at an orifice at the top surface. A coating is disposed on the top surface and on at least a portion of the internal channel surface. A coating thickness at any point on the internal channel surface is less than a nominal coating thickness on the top surface, and the coating comprises a plurality of at least partially melted and solidified particles.Type: ApplicationFiled: March 15, 2012Publication date: July 26, 2012Applicant: GENERAL ELECTRIC COMPANYInventors: Larry Steven Rosenzweig, James Anthony Ruud, Mohan Manoharan, Brian Harvey Pilsner
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Patent number: 8222172Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials. The oxide materials described herein as a class typically contain europia (Eu2O3). The oxides may further contain other additives, such as oxides of gadolinium (Gd), samarium (Sm), dysprosium (Dy), or terbium (Tb). In certain embodiments the oxide, in addition to europia, further comprises ytterbia (Yb2O3), lanthanum (La), praseodymium (Pr), or neodymium (Nd).Type: GrantFiled: May 31, 2011Date of Patent: July 17, 2012Assignee: General Electric CompanyInventors: Molly Maureen Gentleman, James Anthony Ruud, Margaret Louise Blohm, Mohan Manoharan
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Patent number: 8211498Abstract: In some embodiments, the present invention is directed to methods of making structures with complex functional architectures, where such structures generally comprise at least two mesoporous regions comprising different chemical activity, and where such methods afford spatial control over the placement of such regions of differing chemical activity. In some embodiments, the present invention is also directed to the structures formed by such methods, where such structures are themselves novel.Type: GrantFiled: June 12, 2009Date of Patent: July 3, 2012Assignee: General Electric CompanyInventors: Anthony Yu-Chung Ku, Seth Thomas Taylor, Mohan Manoharan, Sergio Paulo Martins Loureiro, James Anthony Ruud
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Patent number: 8192831Abstract: Articles coated via a plasma spray process, and methods for making such articles, are presented. For example, one embodiment is an article comprising a substrate comprising a top surface and a channel disposed in the substrate. The channel is defined by an internal channel surface disposed beneath the top surface and having a terminal end at an orifice at the top surface. A coating is disposed on the top surface and on at least a portion of the internal channel surface. A coating thickness at any point on the internal channel surface is less than a nominal coating thickness on the top surface, and the coating comprises a plurality of at least partially melted and solidified particles.Type: GrantFiled: December 10, 2008Date of Patent: June 5, 2012Assignee: General Electric CompanyInventors: Larry Steven Rosenzweig, James Anthony Ruud, Mohan Manoharan, Brian Harvey Pilsner
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Patent number: 8189633Abstract: A polycrystalline transparent ceramic article including lutetium is presented. The article includes an oxide with a formula of ABO3, having type A lattice sites and type B lattice sites. The lattice site A may further comprise a plurality of elements, in addition to lutetium. Type B lattice site includes aluminum. An imaging device, a laser assembly, and a scintillator including the lutetium-based article is provided. A method of making the above article is also provided.Type: GrantFiled: January 21, 2010Date of Patent: May 29, 2012Assignee: General Electric CompanyInventors: Kalaga Murali Krishna, Venkat Subramaniam Venkataramani, Mohan Manoharan
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Patent number: 8178219Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials. The oxide materials described herein as a class typically contain one or more of ytterbia (Yb2O3) and europia (Eu2O3). The oxides may further contain other additives, such as oxides of gadolinium (Gd), samarium (Sm), dysprosium (Dy), or terbium (Tb). In certain embodiments the oxide, in addition to the ytterbia and/or europia, further comprises lanthanum (La), praseodymium (Pr), or neodymium (Nd).Type: GrantFiled: January 6, 2009Date of Patent: May 15, 2012Assignee: General Electric CompanyInventors: Molly Maureen Gentleman, James Anthony Ruud, Margaret Louise Blohm, Mohan Manoharan
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Patent number: 8173279Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials, methods for making these articles and materials, and methods for protecting articles using coatings made from these materials. One particular embodiment is an article that comprises a coating having a surface connected porosity content of up to about 5 percent by volume. The coating comprises a material that comprises a primary oxide and a secondary oxide, wherein (i) the primary oxide comprises a cerium cation, and (ii) the secondary oxide comprises a cation selected from the group consisting of the praseodymium and neodymium.Type: GrantFiled: December 16, 2010Date of Patent: May 8, 2012Assignee: General Electric CompanyInventors: Molly Maureen Gentleman, James Anthony Ruud, Mohan Manoharan
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Patent number: 8062775Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials. The oxide materials described herein as a class typically contain one or more of ytterbia (Yb2O3) and europia (Eu2O3). The oxides may further contain other additives, such as oxides of gadolinium (Gd), samarium (Sm), dysprosium (Dy), or terbium (Tb). In certain embodiments the oxide, in addition to the ytterbia and/or europia, further comprises lanthanum (La), praseodymium (Pr), or neodymium (Nd).Type: GrantFiled: December 22, 2008Date of Patent: November 22, 2011Assignee: General Electric CompanyInventors: Molly Maureen Gentleman, James Anthony Ruud, Margaret Louise Blohm, Mohan Manoharan
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Patent number: 8057922Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials, methods for making these articles and materials, and methods for protecting articles using coatings made from these materials. One embodiment is a material comprising a primary oxide and a secondary oxide. The primary oxide comprises cerium or hafnium. The secondary oxide comprises (i) praseodymium or ytterbium, and (ii) another cation selected from the group consisting of the rare earth elements, yttrium, and scandium.Type: GrantFiled: December 16, 2010Date of Patent: November 15, 2011Assignee: General Electric CompanyInventors: Molly Maureen Gentleman, James Anthony Ruud, Mohan Manoharan
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Patent number: 8057923Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials, methods for making these articles and materials, and methods for protecting articles using coatings made from these materials. One embodiment is an article comprising a material that is transparent to electromagnetic radiation of at least one type selected from the group consisting of ultraviolet radiation, visible light, and infrared radiation. The material comprises a primary oxide and a secondary oxide. The primary oxide comprises cerium or hafnium. The secondary oxide comprises (i) praseodymium or ytterbium, and (ii) another cation selected from the group consisting of the rare earth elements, yttrium, and scandium.Type: GrantFiled: December 16, 2010Date of Patent: November 15, 2011Assignee: General Electric CompanyInventors: Molly Maureen Gentleman, James Anthony Ruud, Mohan Manoharan
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Patent number: 8047382Abstract: A membrane structure is provided. The membrane structure includes a first layer having a plurality of interconnected pores; and a second layer disposed on the first layer. The second layer has a plurality of unconnected pores. Each of the unconnected pores is in fluid communication with at least one of the interconnected pores of the first layer. A method of making a membrane structure is provided. The method includes the steps of providing a first layer having a plurality of interconnected pores; and disposing a second layer on the first layer. Disposing a second layer includes depositing a conducting layer on the first layer; and anodizing the conducting layer to convert the conducting layer into a porous layer.Type: GrantFiled: March 2, 2010Date of Patent: November 1, 2011Assignee: General Electric CompanyInventors: Vidya Ramaswamy, James Anthony Ruud, Melissa Suzanne Sander, Anthony Yu-Chung Ku, Mohan Manoharan, Milivoj Konstantin Brun, Seth Thomas Taylor
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Patent number: 8043418Abstract: An apparatus for separating at least one component from a mixture of a plurality of chemical species is provided. The apparatus comprises a membrane structure comprising a plurality of pores disposed within a matrix material to allow mass transport from a first surface of the membrane structure to a second surface of the membrane structure. The matrix material has a thermal conductivity of at least about 10 W/m/K; and a functional material disposed within at least a portion of the plurality of pores. The functional material has the property of promoting selective transport of at least one species through the membrane structure from the first surface to the second surface.Type: GrantFiled: December 8, 2006Date of Patent: October 25, 2011Assignee: General Electric CompanyInventors: James Anthony Ruud, Michael John Bowman, Kalya Vijaya Sarathy, Mohan Manoharan, Anthony Yu-Chung Ku, Vidya Ramaswamy, Patrick Roland Lucien Malenfant
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Publication number: 20110226154Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials. The oxide materials described herein as a class typically contain europia (Eu2O3). The oxides may further contain other additives, such as oxides of gadolinium (Gd), samarium (Sm), dysprosium (Dy), or terbium (Tb). In certain embodiments the oxide, in addition to europia, further comprises ytterbia (Yb2O3), lanthanum (La), praseodymium (Pr), or neodymium (Nd).Type: ApplicationFiled: May 31, 2011Publication date: September 22, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Molly Maureen Gentleman, James Anthony Ruud, Margaret Louise Blohm, Mohan Manoharan
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Publication number: 20110210013Abstract: A detection system is presented. The detection system includes a sensing component and a data analyzer. The sensing component includes a first sensor and a second sensor in fluid communication with the first sensor. The first sensor is disposed to allow operation at a predetermined temperature T1 and is selective to a first gas species at T1 and in presence of a second gas species. The second sensor is disposed to allow operation at a temperature T2 and is sensitive to the first gas species and a second gas species at T2. Temperature T2 is lower than T1. The data analyzer is disposed to receive an output signal from the sensing component and configured to calculate concentrations of the first gas species and the second gas species based on the output signal from the sensing component. A method of calculating concentrations of gas species in a gaseous mixture is also presented.Type: ApplicationFiled: February 26, 2010Publication date: September 1, 2011Applicant: GENERAL ELECTRIC COMPANYInventors: Vidya Ramaswamy, James Anthony Ruud, Mohan Manoharan, Todd-Michael Striker, Patrick Daniel Willson
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Patent number: 7977267Abstract: Ceramic materials with relatively high resistance to wetting by various liquids, such as water, are presented, along with articles made with these materials. The oxide materials described herein as a class typically contain one or more of ytterbia (Yb2O3) and europia (Eu2O3). The oxides may further contain other additives, such as oxides of gadolinium (Gd), samarium (Sm), dysprosium (Dy), or terbium (Tb). In certain embodiments the oxide, in addition to the ytterbia and/or europia, further comprises lanthanum (La), praseodymium (Pr), or neodymium (Nd).Type: GrantFiled: December 22, 2008Date of Patent: July 12, 2011Assignee: General Electric CompanyInventors: Molly Maureen Gentleman, James Anthony Ruud, Margaret Louise Blohm, Mohan Manoharan