Patents by Inventor Glenn A Eisman
Glenn A Eisman 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: 11649165Abstract: In an aspect, an electrochemical hydrogen isotope recycling apparatus for recycling a feedstream comprising a single isotope of hydrogen, comprising: an electrochemical recycling unit, the unit comprising an anode; a cathode; an isotope-treated, cation exchange membrane operatively disposed between the anode and cathode, the isotope-treated, cation exchange membrane having heavy water containing the isotope of hydrogen therein, the unit configured to receive the feedstream containing the single isotope of hydrogen; wherein the single isotope is deuterium or tritium and when the single isotope is deuterium, the heavy water comprises D2O and when the single isotope is tritium, the heavy water is T2O.Type: GrantFiled: June 24, 2020Date of Patent: May 16, 2023Assignee: SUSTAINABLE INNOVATIONS, INC.Inventors: Daryl Ludlow, Glenn Eisman, Trent M. Molter
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Publication number: 20200346927Abstract: In an aspect, an electrochemical hydrogen isotope recycling apparatus for recycling a feedstream comprising a single isotope of hydrogen, comprising: an electrochemical recycling unit, the unit comprising an anode; a cathode; an isotope-treated, cation exchange membrane operatively disposed between the anode and cathode, the isotope-treated, cation exchange membrane having heavy water containing the isotope of hydrogen therein, the unit configured to receive the feedstream containing the single isotope of hydrogen; wherein the single isotope is deuterium or tritium and when the single isotope is deuterium, the heavy water comprises D2O and when the single isotope is tritium, the heavy water is T2O.Type: ApplicationFiled: June 24, 2020Publication date: November 5, 2020Inventors: Daryl Ludlow, Glenn Eisman, Trent M. Molter
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Publication number: 20180257933Abstract: An electrochemical hydrogen isotope recycling apparatus for recycling an isotope of hydrogen includes an electrochemical recycling unit, the unit comprising: an anode; a cathode; and an isotope-treated, proton exchange membrane operatively disposed between the anode and cathode, the isotope-treated, proton exchange membrane having heavy water containing the isotope of hydrogen therein, the device configured to receive a feedstream containing the isotope of hydrogen. A process by which high purity hydrogen isotope products are produced using an electrochemical membrane process in which all conventional water containing components are pre-processed using a heavy water containing the isotope of hydrogen.Type: ApplicationFiled: February 1, 2018Publication date: September 13, 2018Inventors: Daryl Ludlow, Glenn Eisman, Trent Molter
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Patent number: 8980502Abstract: The invention includes a method for use in creating electrochemical electrodes including removing a supporting structure in situ after the assembly of the electrochemical cell.Type: GrantFiled: July 8, 2010Date of Patent: March 17, 2015Assignee: Rensselaer Polytechnic InstituteInventors: Michael David Gasda, Glenn Eisman, Daniel Gall
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Publication number: 20140290765Abstract: A gas recycling system for a controlled atmosphere furnace includes a controlled atmosphere furnace having a product entry, a product exit, a process gas inlet adjacent said product exit, and a spent gas outlet adjacent said product entry. A spent gas recycler is operationally connected to the spent gas outlet. The recycler produces a recycled process gas stream and a waste gas stream. The recycled process gas stream is returned to the controlled atmosphere furnace. The waste gas stream is returned to the controlled atmosphere furnace at a point downstream from the spent gas outlet.Type: ApplicationFiled: April 2, 2013Publication date: October 2, 2014Applicant: H2 PUMP LLCInventors: Robert S. Hirsch, Jonathan Kinsey, Gary Crewell, Glenn A. Eisman
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Patent number: 8734632Abstract: Apparatus and operating methods are provided for controlled atmosphere furnace systems. In one possible embodiment, hydrogen is injected from a hydrogen source to an enclosure. The hydrogen is circulated within the enclosure from a gas inlet to a gas outlet. A temperature is raised within the enclosure to a predetermined threshold. Hydrogen is pumped from the gas outlet to the gas inlet with an electrochemical hydrogen pump. The electrochemical hydrogen pump has a first electrode in fluid communication with the gas outlet, and a second electrode in fluid communication with the gas inlet. An electrical potential is provided between the first and second electrodes, wherein the first electrode has a higher electrical potential with respect to zero than the second electrode. Various methods, features and system configurations are discussed.Type: GrantFiled: January 16, 2014Date of Patent: May 27, 2014Assignee: H2 Pump, LLCInventor: Glenn A. Eisman
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Publication number: 20140134556Abstract: Apparatus and operating methods are provided for controlled atmosphere furnace systems. In one possible embodiment, hydrogen is injected from a hydrogen source to an enclosure. The hydrogen is circulated within the enclosure from a gas inlet to a gas outlet. A temperature is raised within the enclosure to a predetermined threshold. Hydrogen is pumped from the gas outlet to the gas inlet with an electrochemical hydrogen pump. The electrochemical hydrogen pump has a first electrode in fluid communication with the gas outlet, and a second electrode in fluid communication with the gas inlet. An electrical potential is provided between the first and second electrodes, wherein the first electrode has a higher electrical potential with respect to zero than the second electrode. Various methods, features and system configurations are discussed.Type: ApplicationFiled: January 16, 2014Publication date: May 15, 2014Applicant: H2 Pump, LLCInventor: Glenn A. Eisman
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Publication number: 20140105813Abstract: A hydrogen recycling system for a controlled atmosphere unit operation with an exhaust vent and an inlet port includes: a hydrogen recycle unit in fluid communication with the exhaust vent and in fluid communication with the inlet port; and an oxygen reactor being located between the controlled atmosphere unit operation and said hydrogen recycle unit and in fluid communication with the controlled atmosphere unit operation and said hydrogen recycle unit.Type: ApplicationFiled: October 17, 2012Publication date: April 17, 2014Inventors: Robert S. Hirsch, Glenn A. Eisman, Charles M. Carlstrom
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Patent number: 8663448Abstract: Apparatus and operating methods are provided for controlled atmosphere furnace systems. In one possible embodiment, hydrogen is injected from a hydrogen source to an enclosure. The hydrogen is circulated within the enclosure from a gas inlet to a gas outlet. A temperature is raised within the enclosure to a predetermined threshold. Hydrogen is pumped from the gas outlet to the gas inlet with an electrochemical hydrogen pump. The electrochemical hydrogen pump has a first electrode in fluid communication with the gas outlet, and a second electrode in fluid communication with the gas inlet. An electrical potential is provided between the first and second electrodes, wherein the first electrode has a higher electrical potential with respect to zero than the second electrode. Various methods, features and system configurations are discussed.Type: GrantFiled: January 4, 2008Date of Patent: March 4, 2014Assignee: H2 Pump, LLCInventor: Glenn A Eisman
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Publication number: 20120107723Abstract: The invention includes a method for use in creating electrochemical electrodes including removing a supporting structure in situ after the assembly of the electrochemical cell.Type: ApplicationFiled: July 8, 2010Publication date: May 3, 2012Applicant: RENSSELAER POLYTECHNIC INSTITUTEInventors: Michael David Gasda, Glenn Eisman, Daniel Gall
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Publication number: 20100243475Abstract: A hydrogen reclamation system comprises a first hydrogen separator having an inlet and an outlet and a second hydrogen separator having an inlet and an outlet wherein an inlet gas stream having a first concentration of hydrogen gas enters said first hydrogen separator inlet and is processed into an outlet gas stream having a second concentration of hydrogen gas which exits said first hydrogen separator outlet and subsequent to exiting said first hydrogen separator outlet, said outlet gas stream enters said second hydrogen separator inlet and is processed into a second outlet gas stream having a third concentration of hydrogen gas which exits said second hydrogen separator outlet.Type: ApplicationFiled: March 25, 2010Publication date: September 30, 2010Applicant: H2 Pump LLCInventors: Glenn A. Eisman, Michael D. Gasda, Daryl Ludlow
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Patent number: 7691507Abstract: A combination fuel cell and hydrogen or oxygen pump includes an electrochemical cell comprising an anode inlet for receiving fuel, an anode outlet for exhausting fuel, a cathode inlet for receiving oxidant, a cathode outlet for exhausting oxidant, and first and second electrical connectors. A controller is operable for applying an electrical load to the electrochemical cell for generating electricity, and for applying an electrical potential to the electrochemical cell for purifying hydrogen or purifying oxygen. Methods and infrastructure systems are also disclosed.Type: GrantFiled: July 9, 2007Date of Patent: April 6, 2010Assignees: Plug Power Inc., Honda Motor Co., Ltd.Inventors: Arne W. Ballantine, Glenn A. Eisman, Richard L. Chartrand, Norio Komura, Ikuya Yamashita
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Publication number: 20090176180Abstract: Apparatus and operating methods are provided for controlled atmosphere furnace systems. In one possible embodiment, hydrogen is injected from a hydrogen source to an enclosure. The hydrogen is circulated within the enclosure from a gas inlet to a gas outlet. A temperature is raised within the enclosure to a predetermined threshold. Hydrogen is pumped from the gas outlet to the gas inlet with an electrochemical hydrogen pump. The electrochemical hydrogen pump has a first electrode in fluid communication with the gas outlet, and a second electrode in fluid communication with the gas inlet. An electrical potential is provided between the first and second electrodes, wherein the first electrode has a higher electrical potential with respect to zero than the second electrode. Various methods, features and system configurations are discussed.Type: ApplicationFiled: January 4, 2008Publication date: July 9, 2009Applicant: H2 PUMP LLCInventor: Glenn A. Eisman
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Publication number: 20080121532Abstract: Apparatus and operating methods are provided for integrated electrochemical hydrogen separation and compression systems. In one possible embodiment, an electrical potential is provided across an electrochemical cell. A portion of the potential is shunted to an electrical load when the potential is higher than a predetermined threshold. As an example, a Zener diode can be used as a suitable shunting mechanism. The invention can be used with individual cells or stacks of cells. Various methods, features and system configurations are discussed.Type: ApplicationFiled: May 2, 2007Publication date: May 29, 2008Applicant: H2 Pump LLCInventors: Michael David Gasda, Glenn A. Eisman
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Publication number: 20070254195Abstract: A combination fuel cell and hydrogen or oxygen pump includes an electrochemical cell comprising an anode inlet for receiving fuel, an anode outlet for exhausting fuel, a cathode inlet for receiving oxidant, a cathode outlet for exhausting oxidant, and first and second electrical connectors. A controller is operable for applying an electrical load to the electrochemical cell for generating electricity, and for applying an electrical potential to the electrochemical cell for purifying hydrogen or purifying oxygen. Methods and infrastructure systems are also disclosed.Type: ApplicationFiled: July 9, 2007Publication date: November 1, 2007Applicants: PLUG POWER INC., HONDA MOTOR CO., LTD.Inventors: Arne BALLANTINE, Glenn EISMAN, Richard CHARTRAND, Norio KOMURA, Ikuya YAMASHITA
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Publication number: 20070246374Abstract: Apparatus and operating methods are provided for integrated electrochemical hydrogen separation and compression systems. In one possible embodiment, an electrical connection is initiated between an anode and a cathode of an electrochemical cell. Hydrogen is ionized at the anode to flow protons through a proton exchange membrane to the cathode. The protons are reacted with oxygen at the cathode to form water. The electrical connection between the anode and the cathode is removed, and a power supply is connected to the anode and cathode so that the anode has a higher electrical potential with respect to zero than the cathode. Various methods, features and system configurations are discussed.Type: ApplicationFiled: April 19, 2007Publication date: October 25, 2007Applicant: H2 Pump LLCInventors: Glenn A. Eisman, Michael D. Gasda
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Publication number: 20070246363Abstract: Apparatus and operating methods are provided for integrated electrochemical hydrogen compression systems. In one possible embodiment, an electrochemical hydrogen pumping cell is energized to generate a hydrogen output from a hydrogen source that can be pure hydrogen or a mixed gas containing hydrogen. The hydrogen output is fed to a compressor, and the compressor is energized to provide a compressed hydrogen output to a hydrogen load. In some embodiments, the compressor is configured to feed hydrogen to the cell, which in turn feeds the load. Various methods, features and system configurations are discussed.Type: ApplicationFiled: April 19, 2007Publication date: October 25, 2007Applicant: H2 Pump LLCInventors: Glenn A Eisman, Daryl L Ludlow
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Publication number: 20070246373Abstract: Apparatus and operating methods are provided for integrated electrochemical hydrogen separation systems. In one possible embodiment, an electrical potential is applied between a first electrode and a second electrode of an electrochemical cell. The first electrode has a higher electrical potential with respect to zero than the second electrode. Electrical current is flowed through the cell as hydrogen is ionized at the first electrode and evolved at the second electrode. i.e., “pumped” across the cell. The hydrogen outlet flow and pressure from the cell can be controlled by adjusting the potential and current provided by the power supply. Various methods, features and system configurations are discussed.Type: ApplicationFiled: April 19, 2007Publication date: October 25, 2007Applicant: H2 Pump LLCInventors: Daryl L Ludlow, Glenn A Eisman, Brian C Benicewicz, Michael D. Gasda
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Publication number: 20070227900Abstract: Techniques are provided for system operation and performance management of electrochemical cells. Electrochemical cells using polybenzimidazole (PBI) proton exchange membranes may be used. In certain embodiments, performance enhancements are achieved through water management via anode and/or cathode humidification, and reactant air injection.Type: ApplicationFiled: April 3, 2007Publication date: October 4, 2007Applicant: H2 Pump LLCInventors: Brian C. Benicewicz, Glenn A. Eisman, Michael D. Gasda, Daryl L. Ludlow
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Publication number: 20070193885Abstract: Apparatus and methods are provided for electrochemical hydrogen manipulation. In one example, an electrochemical cell is provided utilizing an acid doped polybenzimidazole membrane having a proton conductivity of at least 0.1 S/cm and comprising phosphoric acid in a ratio of at least 20 moles phosphoric acid to polybenzimidazole repeating unit. The polybenzimidazole membrane can be produced by a sol-gel process. Additional concepts are also described.Type: ApplicationFiled: January 27, 2007Publication date: August 23, 2007Applicant: H2 Pump LLCInventors: Brian Benicewicz, Glenn Eisman