Patents by Inventor Kevin Wiederin
Kevin Wiederin 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: 11927508Abstract: Systems and methods are described for transporting sample using a first vacuum configuration and subsequently isolating the sample at a valve prior to introduction to an analysis system, where a second vacuum configuration transports other fluids through the system. A system embodiment can include, but is not limited to, a valve system including a first valve in fluid communication with a sample reservoir and a second valve having at least a first vacuum configuration to fluidically couple a first vacuum line with the first valve and having a second vacuum configuration to fluidically couple a second vacuum line with the first valve; a sensor system configured to detect presence or absence of a fluid at the first valve; and a controller configured to control operation of the second valve to block access of the first vacuum line to the first valve upon detection of the fluid at the first valve.Type: GrantFiled: January 20, 2021Date of Patent: March 12, 2024Assignee: Elemental Scientific, Inc.Inventors: Kevin Wiederin, Daniel R. Wiederin, Ean Kiddoo
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Patent number: 11896991Abstract: Systems and methods are described for automatically adjusting the composition of a spray chamber matrix gas flow coordinated with an analysis of a particular chemical element or groups of elements. A system can include a spray chamber configured to be coupled to an analytical system, the spray chamber having a nebulizer gas port configured to receive a nebulizer gas; and an inlet for receiving a gas from at least one gas source. The system also includes a controller operably coupled to the spray chamber, the controller configured to adjust a gas flow rate of the gas from the at least one gas source in coordination with analysis of a particular chemical element by the analytical system.Type: GrantFiled: September 3, 2019Date of Patent: February 13, 2024Assignee: Elemental Scientific, Inc.Inventors: Daniel R. Wiederin, Kevin Wiederin
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Patent number: 11761860Abstract: Systems and methods are described to maintain a liquid sample segment of a sample transmitted through a transfer line from a remote sampling to an analysis system. A system embodiment includes, but is not limited to, a sample transfer line configured to transport a liquid sample from a remote sampling system via gas pressure; a sample loop fluidically coupled with the sample transfer line, the sample loop configured to hold a sample fluid; and a backpressure chamber fluidically coupled with a gas pressure source and with the sample transfer line, the backpressure chamber configured to supply a backpressure against the liquid sample during transport through the sample transfer line.Type: GrantFiled: September 29, 2022Date of Patent: September 19, 2023Assignee: Elemental Scientific, Inc.Inventors: Daniel R. Wiederin, Kyle W. Uhlmeyer, Austin Schultz, Jacob Unnerstall, Kevin Wiederin
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Patent number: 11630039Abstract: Systems and methods are described for introducing an impingement gas and an enhancement gas to an aerosolized sample within a spray chamber. A system embodiment includes, but is not limited to, a chamber body; an input port coupled to the chamber body, the input port configured to receive an aerosolized sample and direct the aerosolized sample into the chamber body; an exit port coupled to the chamber body, the exit port configured to receive at least a portion of the aerosolized sample from the chamber body; an impingement gas port coupled to the exit port and configured to introduce an impingement gas to the at least a portion of the aerosolized sample; and an enhancement gas port coupled to the exit port configured to introduce an enhancement gas to the exit port.Type: GrantFiled: August 7, 2019Date of Patent: April 18, 2023Assignee: Elemental Scientific, Inc.Inventors: Kevin Wiederin, Daniel R. Wiederin
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Publication number: 20230087861Abstract: Systems and methods are described to maintain a liquid sample segment of a sample transmitted through a transfer line from a remote sampling to an analysis system. A system embodiment includes, but is not limited to, a sample transfer line configured to transport a liquid sample from a remote sampling system via gas pressure; a sample loop fluidically coupled with the sample transfer line, the sample loop configured to hold a sample fluid; and a backpressure chamber fluidically coupled with a gas pressure source and with the sample transfer line, the backpressure chamber configured to supply a backpressure against the liquid sample during transport through the sample transfer line.Type: ApplicationFiled: September 29, 2022Publication date: March 23, 2023Inventors: Daniel R. Wiederin, Kyle W. Uhlmeyer, Austin Schultz, Jacob Unnerstall, Kevin Wiederin
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Patent number: 11515135Abstract: Systems and methods are described for indirect detection of a missed sample from an autosampler. A method embodiment includes, but is not limited to, drawing a fluid through operation of an autosampler; directing the fluid via a fluid line to a valve of a fluid handling system, the valve including or being adjacent to a sensor to detect a presence or absence of liquid sample; directing the fluid from the valve into a holding line coupled to the valve; determining whether a threshold amount of liquid sample is present in the fluid in the holding line; and when it is determined that liquid sample is present in the fluid in the holding line in an amount less than the threshold amount, transferring a carrier fluid having a marker component to an analytic detector, the marker component present in the carrier fluid in an amount indicative of a missed sample.Type: GrantFiled: April 13, 2020Date of Patent: November 29, 2022Assignee: Elemental Scientific, Inc.Inventors: Daniel R. Wiederin, Kevin Wiederin
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Patent number: 11499895Abstract: Systems and methods are described to maintain a liquid sample segment of a sample transmitted through a transfer line from a remote sampling to an analysis system. A system, embodiment includes, but is not limited to, a sample transfer line configured to transport a liquid sample from a remote sampling system via gas pressure; a sample loop fluidically coupled with the sample transfer line, the sample loop configured to hold a sample fluid; and a backpressure chamber fluidically coupled with a gas pressure source and with the sample transfer line, the backpressure chamber configured to supply a backpressure against the liquid sample during transport through the sample transfer line.Type: GrantFiled: April 9, 2019Date of Patent: November 15, 2022Assignee: Elemental Scientific, Inc.Inventors: Daniel R. Wiederin, Kyle W. Uhlmeyer, Austin Schultz, Jacob Unnerstall, Kevin Wiederin
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Publication number: 20220353983Abstract: An inductively coupled plasma (ICP) torch is described that facilitates laminar flow of a cooling gas introduced by a plurality of input ports between an outer tube and an inner tube configured to surround an injector for introduction of an aerosolized sample to a plasma. A system embodiment includes, but is not limited to, an inner tube; and an outer tube surrounding at least a portion of the inner tube to form an annular space, the outer tube defining a plurality of inlet ports for introduction of a cooling gas into the annular space as a laminar flow via each inlet port of the plurality of inlet ports.Type: ApplicationFiled: April 21, 2022Publication date: November 3, 2022Inventors: Daniel R. Wiederin, Gary J. Barrett, Kevin Wiederin
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Publication number: 20220346215Abstract: An inductively coupled plasma (ICP) torch is described that includes an injector protector to shield an injector end. A system embodiment includes, but is not limited to, a tubular sample injector configured to receive an aerosolized sample in an interior defined by walls of the tubular sample injector; an injector protector surrounding at least a portion of the tubular sample injector; an inner tube surrounding at least a portion of the injector protector to form a first annular space between the inner tube and the injector protector, the inner tube defining at least one inlet port for introduction of an auxiliary gas into the first annular space; and an outer tube surrounding at least a portion of the inner tube to form a second annular space, the outer tube defining at least one inlet port for introduction of a cooling gas into the second annular space.Type: ApplicationFiled: April 21, 2022Publication date: October 27, 2022Inventors: Daniel R. Wiederin, Gary J. Barrett, Kevin Wiederin
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Publication number: 20220344142Abstract: An inductively coupled plasma (ICP) torch is described that includes a tapered outer end. A system embodiment includes, but is not limited to, a tubular sample injector configured to receive an aerosolized sample in an interior defined by walls of the tubular sample injector; an inner tube surrounding at least a portion of the tubular sample injector to form a first annular space between the inner tube and the walls of the tubular sample injector, the inner tube defining at least one inlet port for introduction of an auxiliary gas into the first annular space; and an outer tube surrounding at least a portion of the inner tube to form a second annular space, the outer tube defining at least one inlet port for introduction of a cooling gas into the second annular space, the outer tube having a flared region at an outlet of the outer tube.Type: ApplicationFiled: April 21, 2022Publication date: October 27, 2022Inventors: Daniel R. Wiederin, Gary J. Barrett, Kevin Wiederin
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Publication number: 20220252630Abstract: Systems and methods are described to determine whether a sample transmitted through a transfer line from a remote sampling system contains a suitable sample to analyze by an analysis system. A system embodiment includes, but is not limited to, a sample receiving line configured to receive a liquid segment a first detector configured to detect the liquid segment at a first location in the sample receiving line; a second detector configured to detect the liquid segment at a second location in the sample receiving line downstream from the first location; and a controller configured to register a continuous liquid segment in the sample receiving line when the first detector and the second detector match detection states prior to the controller registering a change of state of the first detector.Type: ApplicationFiled: January 26, 2022Publication date: August 11, 2022Inventors: David Diaz, Jonathan Hein, Kyle W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin
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Patent number: 11249101Abstract: Systems and methods are described to determine whether a sample transmitted through a transfer line from a remote sampling system contains a suitable sample to analyze by an analysis system. A system embodiment includes, but is not limited to, a sample receiving line configured to receive a liquid segment a first detector configured to detect the liquid segment at a first location in the sample receiving line; a second detector configured to detect the liquid segment at a second location in the sample receiving line downstream from the first location; and a controller configured to register a continuous liquid segment in the sample receiving line when the first detector and the second detector match detection states prior to the controller registering a change of state of the first detector.Type: GrantFiled: February 4, 2020Date of Patent: February 15, 2022Assignee: ELEMENTAL SCIENTIFIC, INC.Inventors: David Diaz, Jonathan Hein, Kyle W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin
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Publication number: 20210382022Abstract: Systems and methods are described to determine whether a sample transmitted through a transfer line from a remote sampling system contains a suitable sample to analyze by an analysis system. A system embodiment includes, but is not limited to, a sample receiving line configured to receive a liquid segment a first detector configured to detect the liquid segment at a first location in the sample receiving line; a second detector configured to detect the liquid segment at a second location in the sample receiving line downstream from the first location; and a controller configured to register a continuous liquid segment in the sample receiving line when the first detector and the second detector match detection states prior to the controller registering a change of state of the first detector.Type: ApplicationFiled: June 22, 2021Publication date: December 9, 2021Inventors: DAVID DIAZ, Jonathan Hein, Kyle W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin
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Publication number: 20210381931Abstract: A system includes an analysis system at a first location and one or more remote sampling systems at a second location remote from the first location. A sampling system can be configured to receive a remote liquid sample. The system also includes a sample transfer line configured to transport gas from the second location to the first location. The sample transfer line is configured to selectively couple with a remote sampling for supplying a continuous liquid sample segment to the sample transfer line. The system can further include a sample receiving line at the first location. The sample receiving line is configured to selectively couple with the sample transfer line and the analysis system to receive the continuous liquid sample segment and supply the sample to an analysis device.Type: ApplicationFiled: July 6, 2021Publication date: December 9, 2021Inventors: David Diaz, Jonathan Hein, Kyle W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin
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Patent number: 11054344Abstract: A system includes an analysis system at a first location and one or more remote sampling systems at a second location remote from the first location. A sampling system can be configured to receive a remote liquid sample. The system also includes a sample transfer line configured to transport gas from the second location to the first location. The sample transfer line is configured to selectively couple with a remote sampling system for supplying a continuous liquid sample segment to the sample transfer line. The system can further include a sample receiving line at the first location. The sample receiving line is configured to selectively couple with the sample transfer line and the analysis system to receive the continuous liquid sample segment and supply the sample to an analysis device.Type: GrantFiled: February 27, 2015Date of Patent: July 6, 2021Assignee: Elemental Scientific, Inc.Inventors: David Diaz, Jonathan Hein, Kyle W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin
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Patent number: 11041835Abstract: Systems and methods are described to determine whether a sample transmitted through a transfer line from a remote sampling system contains a suitable sample to analyze by an analysis system. A system embodiment includes, but is not limited to, a sample receiving line configured to receive a liquid segment a first detector configured to detect the liquid segment at a first location in the sample receiving line; a second detector configured to detect the liquid segment at a second location in the sample receiving line downstream from the first location; and a controller configured to register a continuous liquid segment in the sample receiving line when the first detector and the second detector match detection states prior to the controller registering a change of state of the first detector.Type: GrantFiled: February 11, 2020Date of Patent: June 22, 2021Assignee: Elemental Scientific, Inc.Inventors: David Diaz, Jonathan Hein, Kyle W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin
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Publication number: 20210131918Abstract: Systems and methods are described to maintain a liquid sample segment of a sample transmitted through a transfer line from a remote sampling to an analysis system. A system, embodiment includes, but is not limited to, a sample transfer line configured to transport a liquid sample from a remote sampling system via gas pressure; a sample loop fluidically coupled with the sample transfer line, the sample loop configured to hold a sample fluid; and a backpressure chamber fluidically coupled with a gas pressure source and with the sample transfer line, the backpressure chamber configured to supply a backpressure against the liquid sample during transport through the sample transfer line.Type: ApplicationFiled: April 9, 2019Publication date: May 6, 2021Inventors: Daniel R. Wiederin, Kyle W. Uhlmeyer, Austin Schultz, Jacob Unnerstall, Kevin Wiederin
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Publication number: 20200355718Abstract: Systems and methods are described to determine whether a sample transmitted through a transfer line from a remote sampling system contains a suitable sample to analyze by an analysis system. A system embodiment includes, but is not limited to, a sample receiving line configured to receive a liquid segment a first detector configured to detect the liquid segment at a first location in the sample receiving line; a second detector configured to detect the liquid segment at a second location in the sample receiving line downstream from the first location; and a controller configured to register a continuous liquid segment in the sample receiving line when the first detector and the second detector match detection states prior to the controller registering a change of state of the first detector.Type: ApplicationFiled: February 4, 2020Publication date: November 12, 2020Inventors: David Diaz, Jonathan Hein, Kyle W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin
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Publication number: 20200319149Abstract: Systems and methods are described to determine whether a sample transmitted through a transfer line from a remote sampling system contains a suitable sample to analyze by an analysis system. A system embodiment includes, but is not limited to, a sample receiving line configured to receive a liquid segment a first detector configured to detect the liquid segment at a first location in the sample receiving line; a second detector configured to detect the liquid segment at a second location in the sample receiving line downstream from the first location; and a controller configured to register a continuous liquid segment in the sample receiving line when the first detector and the second detector match detection states prior to the controller registering a change of state of the first detector.Type: ApplicationFiled: February 11, 2020Publication date: October 8, 2020Inventors: David Diaz, Jonathan Hein, KyIe W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin
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Patent number: 10585108Abstract: Systems and methods are described to determine whether a sample transmitted through a transfer line from a remote sampling system contains a suitable sample to analyze by an analysis system. A system embodiment includes, but is not limited to, a sample receiving line configured to receive a liquid segment a first detector configured to detect the liquid segment at a first location in the sample receiving line; a second detector configured to detect the liquid segment at a second location in the sample receiving line downstream from the first location; and a controller configured to register a continuous liquid segment in the sample receiving line when the first detector and the second detector match detection states prior to the controller registering a change of state of the first detector.Type: GrantFiled: June 24, 2016Date of Patent: March 10, 2020Assignee: ELEMENTAL SCIENTIFIC, INC.Inventors: David Diaz, Jonathan Hein, Kyle W. Uhlmeyer, Daniel R. Wiederin, Tyler Yost, Kevin Wiederin