Patents by Inventor David Padowitz
David Padowitz 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: 8883550Abstract: Processes for making a solar cell by depositing various layers of components on a substrate and converting the components into a thin film photovoltaic absorber material. Processes of this disclosure can be used to control the stoichiometry of metal atoms in making a solar cell for targeting a particular concentration and providing a gradient of metal atom concentration. A selenium layer can be used in annealing a thin film photovoltaic absorber material.Type: GrantFiled: September 15, 2011Date of Patent: November 11, 2014Assignee: Precursor Energetics, Inc.Inventors: Kyle L. Fujdala, Zhongliang Zhu, David Padowitz, Paul R. Markoff Johnson, Wayne A. Chomitz, Matthew C. Kuchta
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Patent number: 8828787Abstract: Processes for making a thin film solar cell on a substrate by providing a substrate coated with an electrical contact layer, depositing an ink onto the contact layer of the substrate, wherein the ink contains an alkali ion source compound suspended or dissolved in a carrier along with photovoltaic absorber precursor compounds, and heating the substrate. The alkali ion source compound can be MalkMB(ER)4 or Malk(ER). The processes can be used for CIS or CIGS.Type: GrantFiled: September 15, 2011Date of Patent: September 9, 2014Assignee: Precursor Energetics, Inc.Inventors: Kyle L. Fujdala, Zhongliang Zhu, David Padowitz, Paul R. Markoff Johnson, Wayne A. Chomitz, Matthew C. Kuchta
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Patent number: 8828782Abstract: Processes for making a solar cell by depositing various layers of components on a substrate and converting the components into a thin film photovoltaic absorber material. Processes of this disclosure can be used to control the stoichiometry of metal atoms in making a solar cell for targeting a particular concentration and providing a gradient of metal atom concentration. A selenium layer can be used in annealing a thin film photovoltaic absorber material.Type: GrantFiled: September 15, 2011Date of Patent: September 9, 2014Assignee: Precursor Energetics, Inc.Inventors: Kyle L. Fujdala, Zhongliang Zhu, David Padowitz, Paul R. Markoff Johnson, Wayne A. Chomitz, Matthew C. Kuchta
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Publication number: 20140166924Abstract: Several systems of low melting point mixtures of inorganic salts are disclosed. These compositions can have liquidus temperatures less than 80° C. and thermal stability limits greater than 500° C.Type: ApplicationFiled: September 3, 2013Publication date: June 19, 2014Applicant: Halotechnics, Inc.Inventors: Justin Raade, David Padowitz
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Publication number: 20120318358Abstract: Solution-based processes for making thin film solar cells including CIGS are disclosed. A solar cell can have a conversion efficiency of 15% to 20% or greater. Processes for making solar cells include depositing various layers of monomer and polymeric components on a substrate and converting the components into a thin film photovoltaic absorber material. The stoichiometry of metal atoms in a solar cell can be controlled and targeted.Type: ApplicationFiled: March 12, 2012Publication date: December 20, 2012Applicant: PRECURSOR ENERGETICS, INC.Inventors: Kyle L. Fujdala, Zhongliang Zhu, Paul R. Markoff Johnson, David Padowitz, Wayne A. Chomitz
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Publication number: 20120318357Abstract: Processes for making a solar cell by depositing various layers of components on a substrate and converting the components into a thin film photovoltaic absorber material. Processes of this disclosure can be used to control the stoichiometry of metal atoms in making a solar cell, and for targeting a particular concentration. CIGS thin film solar cells can be made.Type: ApplicationFiled: March 12, 2012Publication date: December 20, 2012Applicant: PRECURSOR ENERGETICS, INC.Inventors: Kyle L. Fujdala, Zhongliang Zhu, Paul R. Markoff Johnson, David Padowitz, Wayne A. Chomitz
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Publication number: 20120073659Abstract: Processes for making a solar cell by depositing various layers of components on a substrate and converting the components into a thin film photovoltaic absorber material. Processes of this disclosure can be used to control the stoichiometry of metal atoms in making a solar cell for targeting a particular concentration and providing a gradient of metal atom concentration. A selenium layer can be used in annealing a thin film photovoltaic absorber material.Type: ApplicationFiled: September 15, 2011Publication date: March 29, 2012Applicant: PRECURSOR ENERGETICS, INC.Inventors: Kyle L. Fujdala, Zhongliang Zhu, David Padowitz, Paul R. Markoff Johnson, Wayne A. Chomitz
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Publication number: 20120073637Abstract: Processes for making a solar cell by depositing various layers of components on a substrate and converting the components into a thin film photovoltaic absorber material. Processes of this disclosure can be used to control the stoichiometry of metal atoms in making a solar cell for targeting a particular concentration and providing a gradient of metal atom concentration. A selenium layer can be used in annealing a thin film photovoltaic absorber material.Type: ApplicationFiled: September 15, 2011Publication date: March 29, 2012Applicant: PRECURSOR ENERGETICS, INC.Inventors: Kyle L. Fujdala, Zhongliang Zhu, David Padowitz, Paul R. Markoff Johnson, Wayne A. Chomitz
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Publication number: 20120073633Abstract: Processes for making a thin film solar cell on a substrate by providing a substrate coated with an electrical contact layer, depositing an ink onto the contact layer of the substrate, wherein the ink contains an alkali ion source compound suspended or dissolved in a carrier along with photovoltaic absorber precursor compounds, and heating the substrate. The alkali ion source compound can be MalkMB(ER)4 or Malk(ER). The processes can be used for CIS or CIGS.Type: ApplicationFiled: September 15, 2011Publication date: March 29, 2012Applicant: Precursor Energetics, Inc.Inventors: Kyle L. Fujdala, Zhongliang Zhu, David Padowitz, Paul R. Markoff Johnson, Wayne A. Chomitz
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Publication number: 20120067407Abstract: Processes for making a solar cell by depositing various layers of components on a substrate and converting the components into a thin film photovoltaic absorber material. Processes of this disclosure can be used to control the stoichiometry of metal atoms in making a solar cell for targeting a particular concentration and providing a gradient of metal atom concentration. A selenium layer can be used in annealing a thin film photovoltaic absorber material.Type: ApplicationFiled: September 15, 2011Publication date: March 22, 2012Applicant: PRECURSOR ENERGETICS, INC.Inventors: Kyle L. Fujdala, Zhongliang Zhu, David Padowitz, Paul R. Markoff Johnson, Wayne A. Chomitz
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Publication number: 20120067424Abstract: Processes for making a solar cell by depositing various layers of components on a substrate and converting the components into a thin film photovoltaic absorber material. Processes of this disclosure can be used to control the stoichiometry of metal atoms in making a solar cell for targeting a particular concentration and providing a gradient of metal atom concentration. A selenium layer can be used in annealing a thin film photovoltaic absorber material.Type: ApplicationFiled: September 15, 2011Publication date: March 22, 2012Applicant: PRECURSOR ENERGETICS, INC.Inventors: Kyle L. Fujdala, Zhongliang Zhu, David Padowitz, Paul R. Markoff Johnson, Wayne A. Chomitz
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Publication number: 20120056125Abstract: Several systems of low melting point mixtures of inorganic salts are disclosed. These compositions can have liquidus temperatures less than 80° C. and thermal stability limits greater than 500° C.Type: ApplicationFiled: April 18, 2011Publication date: March 8, 2012Applicant: Halotechnics, IncInventors: Justin Raade, David Padowitz
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Patent number: 7603889Abstract: Fluid sensor methods and systems adapted for monitoring and/or controlling distillation operations in fluidic systems, such as batch distillation operations or continuous distillation operations, are disclosed. Preferred embodiments are directed to process monitoring and/or process control for unit operations involving endpoint determination of a distillation, for example, as applied to a liquid-component-switching operation (e.g., a solvent switching operation), a liquid-liquid separation operation, a solute concentration operation, a dispersed-phase concentration operation, among others.Type: GrantFiled: March 31, 2006Date of Patent: October 20, 2009Assignee: MEAS FranceInventors: Stephen Cypes, Mark Uhrich, Eric D. Carlson, Oleg Kolosov, David Padowitz, James Bennett, Leonid Matsiev
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Patent number: 7210332Abstract: A sensor and methods for making and using the same in which a mechanical resonator is employed, comprising a resonator portion for resonating in a fluid without the substantial generation of acoustic waves; and an electrical connection between the resonator portion for oscillating and a source of an input signal; wherein the portion for resonating, the electrical connection or both includes a base material and a performance-tuning material that is different from the base material.Type: GrantFiled: March 19, 2004Date of Patent: May 1, 2007Assignee: Symyx Technologies, Inc.Inventors: Oleg Kolosov, Leonid Matsiev, David Padowitz
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Publication number: 20070017291Abstract: Fluid sensor methods and systems adapted for monitoring and/or controlling distillation operations in fluidic systems, such as batch distillation operations or continuous distillation operations, are disclosed. Preferred embodiments are directed to process monitoring and/or process control for unit operations involving endpoint determination of a distillation, for example, as applied to a liquid-component-switching operation (e.g., a solvent switching operation), a liquid-liquid separation operation, a solute concentration operation, a dispersed-phase concentration operation, among others.Type: ApplicationFiled: March 31, 2006Publication date: January 25, 2007Applicant: Symyx Technologies, Inc.Inventors: Stephen Cypes, Mark Uhrich, Eric Carlson, Oleg Kolosov, David Padowitz, James Bennett, Leonid Matsiev
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Publication number: 20040244487Abstract: A sensor and methods for making and using the same in which a mechanical resonator is employed, comprising a resonator portion for resonating in a fluid without the substantial generation of acoustic waves; and an electrical connection between the resonator portion for oscillating and a source of an input signal; wherein the portion for resonating, the electrical connection or both includes a base material and a performance-tuning material that is different from the base material.Type: ApplicationFiled: March 19, 2004Publication date: December 9, 2004Applicant: Symyx Technologies, Inc.Inventors: Oleg Kolosov, Leonid Matsiev, David Padowitz