Patents by Inventor Robert L. Wells
Robert L. Wells 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: 11014359Abstract: A system and apparatus includes a nozzle formed on a first surface of a substrate, and a fluid passage in the substrate and fluidically connected to the nozzle, the fluid passage being nonlinear along at least a portion of its length and having a cross section that varies along its length, wherein the fluid passage has a width near a second surface of the substrate that is different from a width near a bottom of the fluid passage. A system and apparatus includes a nozzle formed on a surface of a substrate, and a fluid passage defined in the substrate and fluidically connected to the nozzle, the fluid passage having a first portion that substantially lies on a first plane, a second portion that substantially lies on a second plane different from the first plane, and a connecting passage fluidically connecting the first portion to the second portion.Type: GrantFiled: September 20, 2019Date of Patent: May 25, 2021Assignee: FUJIFILM Dimatix, Inc.Inventors: James Leslie Cole-Henry, Andrew Beech Johns, Robert L. Wells, Jr.
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Publication number: 20200094551Abstract: A system and apparatus includes a nozzle formed on a first surface of a substrate, and a fluid passage in the substrate and fluidically connected to the nozzle, the fluid passage being nonlinear along at least a portion of its length and having a cross section that varies along its length, wherein the fluid passage has a width near a second surface of the substrate that is different from a width near a bottom of the fluid passage. A system and apparatus includes a nozzle formed on a surface of a substrate, and a fluid passage defined in the substrate and fluidically connected to the nozzle, the fluid passage having a first portion that substantially lies on a first plane, a second portion that substantially lies on a second plane different from the first plane, and a connecting passage fluidically connecting the first portion to the second portion.Type: ApplicationFiled: September 20, 2019Publication date: March 26, 2020Applicant: FUJIFILM Dimatix, Inc.Inventors: James Leslie Cole-Henry, Andrew Beech Johns, Robert L. Wells, JR.
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Patent number: 9670351Abstract: A flexible tubing material includes a radiation crosslinked blend of a first elastomeric polymer including a styrenic thermoplastic elastomer, an ethylene vinyl acetate elastomer, a polylefin elastomer with a second elastomeric polymer including a polyolefin elastomer, a diene elastomer, or combination thereof, with the proviso that the first elastomeric polymer and the second elastomeric polymer are different. In an embodiment, a method of making a material includes providing the first elastomeric polymer, providing the second elastomeric polymer, blending the first elastomeric polymer and the second elastomeric polymer, extruding or injection molding the blend, and crosslinking the blend with radiation.Type: GrantFiled: August 5, 2015Date of Patent: June 6, 2017Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Sridhar K. Siddhamalli, Zhizhong Liu, Mark W. Simon, Charles S. Golub, Heidi Lennon, Wayne E. Garver, Mark F. Colton, Robert L. Wells, Michael J. Tzivanis, William Risen, Nathan Klettlinger
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Patent number: 9511598Abstract: An apparatus includes an inkjet assembly having inkjet nozzles through each of which ink flows at a nominal flow rate as it is ejected from the nozzle onto a substrate. Ink is held under a nominal negative pressure associated with a characteristic of a meniscus of the ink in the nozzle when ejection of ink from the nozzle is not occurring. The apparatus includes recirculation flow paths, each flow path having a nozzle end at which it opens into one of the nozzles and another location spaced from the nozzle end that is to be subjected to a recirculation pressure lower than the nominal negative pressure so that ink is recirculated from the nozzle through the flow path at a recirculation flow rate.Type: GrantFiled: September 28, 2015Date of Patent: December 6, 2016Assignee: FUJIFILM Dimatix, Inc.Inventors: Robert L Wells, Jr., Bailey Smith, Marlene McDonald, William R. Letendre, Matthew Aubrey, John Kelly, Darrell Herrick, Robert A. Hasenbein
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Publication number: 20160052292Abstract: An apparatus includes an inkjet assembly having inkjet nozzles through each of which ink flows at a nominal flow rate as it is ejected from the nozzle onto a substrate. Ink is held under a nominal negative pressure associated with a characteristic of a meniscus of the ink in the nozzle when ejection of ink from the nozzle is not occurring. The apparatus includes recirculation flow paths, each flow path having a nozzle end at which it opens into one of the nozzles and another location spaced from the nozzle end that is to be subjected to a recirculation pressure lower than the nominal negative pressure so that ink is recirculated from the nozzle through the flow path at a recirculation flow rate.Type: ApplicationFiled: September 28, 2015Publication date: February 25, 2016Inventors: Robert L. Wells, JR., Bailey Smith, Marlene McDonald, William R. Letendre, Matthew Aubrey, John Kelly, Darrell Herrick, Robert A. Hasenbein
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Publication number: 20150337126Abstract: A flexible tubing material includes a radiation crosslinked blend of a first elastomeric polymer including a styrenic thermoplastic elastomer, an ethylene vinyl acetate elastomer, a polylefin elastomer with a second elastomeric polymer including a polyolefin elastomer, a diene elastomer, or combination thereof, with the proviso that the first elastomeric polymer and the second elastomeric polymer are different. In an embodiment, a method of making a material includes providing the first elastomeric polymer, providing the second elastomeric polymer, blending the first elastomeric polymer and the second elastomeric polymer, extruding or injection molding the blend, and crosslinking the blend with radiation.Type: ApplicationFiled: August 5, 2015Publication date: November 26, 2015Inventors: Sridhar K. Siddhamalli, Zhizhong Liu, Mark W. Simon, Charles S. Golub, Heidi Lennon, Wayne E. Garver, Mark F. Colton, Robert L. Wells, Gerald L. Stadt, Michael J. Tzivanis, William Risen, Nathan Klettlinger
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Patent number: 9144993Abstract: An apparatus includes an inkjet assembly having inkjet nozzles through each of which ink flows at a nominal flow rate as it is ejected from the nozzle onto a substrate. Ink is held under a nominal negative pressure associated with a characteristic of a meniscus of the ink in the nozzle when ejection of ink from the nozzle is not occurring. The apparatus includes recirculation flow paths, each flow path having a nozzle end at which it opens into one of the nozzles and another location spaced from the nozzle end that is to be subjected to a recirculation pressure lower than the nominal negative pressure so that ink is recirculated from the nozzle through the flow path at a recirculation flow rate.Type: GrantFiled: May 2, 2014Date of Patent: September 29, 2015Assignee: FUJIFILM Dimatix, Inc.Inventors: Robert L. Wells, Jr., Bailey Smith, Marlene McDonald, William Letendre, Matthew Aubrey, John Kelly, Darrell Herrick, Robert Hasenbein
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Patent number: 9022520Abstract: In general, in an aspect, an apparatus includes a body having a hollow ink refill chamber, a plate on a side of the body, the plate having a series of posts separating a series of hollow channels adjacent to the hollow ink refill chamber in the body.Type: GrantFiled: March 5, 2013Date of Patent: May 5, 2015Assignee: FUJIFILM Dimatix, Inc.Inventors: David A. Brady, Robert L. Wells, Jr., John Kelly
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Patent number: 8956706Abstract: A flexible tubing material includes a radiation crosslinked blend of a first elastomeric polymer including a styrenic thermoplastic elastomer, an ethylene vinyl acetate elastomer, a polyolefin elastomer with a second elastomeric polymer including a polyolefin elastomer, a diene elastomer, or combination thereof, with the proviso that the first elastomeric polymer and the second elastomeric polymer are different. In an embodiment, a method of making a material includes providing the first elastomeric polymer, providing the second elastomeric polymer, blending the first elastomeric polymer and the second elastomeric polymer, extruding or injection molding the blend, and crosslinking the blend with radiation.Type: GrantFiled: December 29, 2010Date of Patent: February 17, 2015Assignee: Saint-Gobain Performance Plastics CorporationInventors: Sridhar Krishnamurthi Siddhamalli, Zhizhong Liu, Mark W. Simon, Charles S. Golub, Heidi Sardinha, Wayne Edward Garver, Mark F. Colton, Robert L. Wells, Gerald L. Stadt, Michael J. Tzivanis, William Risen, Nathan Klettlinger
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Publication number: 20140240415Abstract: An apparatus includes an inkjet assembly having inkjet nozzles through each of which ink flows at a nominal flow rate as it is ejected from the nozzle onto a substrate. Ink is held under a nominal negative pressure associated with a characteristic of a meniscus of the ink in the nozzle when ejection of ink from the nozzle is not occurring. The apparatus includes recirculation flow paths, each flow path having a nozzle end at which it opens into one of the nozzles and another location spaced from the nozzle end that is to be subjected to a recirculation pressure lower than the nominal negative pressure so that ink is recirculated from the nozzle through the flow path at a recirculation flow rate.Type: ApplicationFiled: May 2, 2014Publication date: August 28, 2014Applicant: FUJIFILM Dimatix, Inc.Inventors: Robert L. Wells, Bailey Smith, Marlene McDonald, William Letendre, Matthew Aubrey, John Kelly, Darrell Herrick, Robert Hasenbein
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Patent number: 8752946Abstract: An apparatus includes an inkjet assembly having inkjet nozzles through each of which ink flows at a nominal flow rate as it is ejected from the nozzle onto a substrate. Ink is held under a nominal negative pressure associated with a characteristic of a meniscus of the ink in the nozzle when ejection of ink from the nozzle is not occurring. The apparatus includes recirculation flow paths, each flow path having a nozzle end at which it opens into one of the nozzles and another location spaced from the nozzle end that is to be subjected to a recirculation pressure lower than the nominal negative pressure so that ink is recirculated from the nozzle through the flow path at a recirculation flow rate.Type: GrantFiled: March 5, 2013Date of Patent: June 17, 2014Assignee: FUJIFILM Dimatix, Inc.Inventors: Robert L. Wells, Jr., Bailey Smith, Marlene McDonald, William R. Letendre, Matthew Aubrey, John Kelly, Darrell Herrick, Robert A. Hasenbein
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Patent number: 8608287Abstract: A printhead including a body; an actuator attached to the body, and an enclosed space between the actuator and the body forms a chamber; an opening defined by the body for releasing pressure in the chamber; and a seal attached to the opening to seal the chamber while permitting pressure to be released.Type: GrantFiled: February 14, 2013Date of Patent: December 17, 2013Assignee: FUJIFILM Dimatix, Inc.Inventors: Thomas G. Duby, Robert L. Wells, Todd Severance, Carl Tracy
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Publication number: 20130229473Abstract: An apparatus includes an inkjet assembly having inkjet nozzles through each of which ink flows at a nominal flow rate as it is ejected from the nozzle onto a substrate. Ink is held under a nominal negative pressure associated with a characteristic of a meniscus of the ink in the nozzle when ejection of ink from the nozzle is not occurring. The apparatus includes recirculation flow paths, each flow path having a nozzle end at which it opens into one of the nozzles and another location spaced from the nozzle end that is to be subjected to a recirculation pressure lower than the nominal negative pressure so that ink is recirculated from the nozzle through the flow path at a recirculation flow rate.Type: ApplicationFiled: March 5, 2013Publication date: September 5, 2013Applicant: FUJIFILM DIMATIX, INC.Inventors: Robert L. Wells, JR., Bailey Smith, Marlene McDonald, William R. Letendre, Matthew Aubrey, John Kelly, Darrell Herrick, Robert A. Hasenbein
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Publication number: 20130228084Abstract: In general, in an aspect, an apparatus includes a body having a hollow ink refill chamber, a plate on a side of the body, the plate having a series of posts separating a series of hollow channels adjacent to the hollow ink refill chamber in the body.Type: ApplicationFiled: March 5, 2013Publication date: September 5, 2013Applicant: FUJIFILM DIMATIX, INC.Inventors: David A. Brady, Robert L. Wells, JR., John Kelly
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Publication number: 20130155153Abstract: A printhead including a body; an actuator attached to the body, and an enclosed space between the actuator and the body forms a chamber; an opening defined by the body for releasing pressure in the chamber; and a seal attached to the opening to seal the chamber while permitting pressure to be released.Type: ApplicationFiled: February 14, 2013Publication date: June 20, 2013Applicant: FUJIFILM Dimatix, Inc.Inventors: Thomas G. Duby, Robert L. Wells, JR., Todd Severance, Carl Tracy
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Publication number: 20130129994Abstract: Among other things, a pattern of dry particles of a pigment is provided on a transfer layer. The pattern of dry particles is transferred onto a surface of a ceramic substrate in preparation for firing of the dry particles to form a permanent pattern on the ceramic substrate.Type: ApplicationFiled: November 18, 2011Publication date: May 23, 2013Applicant: FUJIFILM DIMATIX, INC.Inventor: Robert L. Wells, JR.
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Patent number: 8403460Abstract: A printhead including a body; an actuator attached to the body, and an enclosed space between the actuator and the body forms a chamber; an opening defined by the body for releasing pressure in the chamber; and a seal attached to the opening to seal the chamber while permitting pressure to be released.Type: GrantFiled: April 27, 2007Date of Patent: March 26, 2013Assignee: FUJIFILM Dimatix, Inc.Inventors: Thomas G. Duby, Robert L. Wells, Jr., Todd Severance, Carl Tracy
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Publication number: 20110241262Abstract: A flexible tubing material includes a radiation crosslinked blend of a first elastomeric polymer including a styrenic thermoplastic elastomer, an ethylene vinyl acetate elastomer, a polyolefin elastomer with a second elastomeric polymer including a polyolefin elastomer, a diene elastomer, or combination thereof, with the proviso that the first elastomeric polymer and the second elastomeric polymer are different. In an embodiment, a method of making a material includes providing the first elastomeric polymer, providing the second elastomeric polymer, blending the first elastomeric polymer and the second elastomeric polymer, extruding or injection molding the blend, and crosslinking the blend with radiation.Type: ApplicationFiled: December 29, 2010Publication date: October 6, 2011Applicant: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATIONInventors: Sridhar K. Siddhamalli, Zhizhong Liu, Mark W. Simon, Charles S. Golub, Heidi Sardinha, Wayne E. Garver, Mark F. Colton, Robert L. Wells, Gerald L. Stadt, Michael J. Tzivanis, William Risen, Nathan Klettlinger
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Publication number: 20100190686Abstract: The present invention relates to the discovery of polypeptide biomarkers excreted into the blood stream (serum or plasma) and/or urine from adipocytes and their use to determine the existence of metabolic syndrome (prediabetic) and/or diabetic conditions (including type 2 diabetes) including insulin resistance and/or glucose intolerance, their use to monitor the state of metabolic syndrome or diabetes toward a state of control and/or cure of the disease state or condition and their use to monitor the long-term health of the patient by determining the existence of metabolic syndrome (prediabetic conditions insulin resistance and/or glucose intolerance) or the existence of type 2 diabetes and to identify potential antidiabetes agents. Methods of identifying potential agents to be used in the treatment of metabolic syndrome and/or type2 diabetes and assays for assisting in the diagnosis of metabolic syndrome and/or type 2 diabetes are additional aspects of the invention.Type: ApplicationFiled: June 23, 2008Publication date: July 29, 2010Applicant: The University of Georgia Research FoundationInventors: Robert L. Wells, Jae-min Lin, Dorothy Hausman
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Patent number: D580867Type: GrantFiled: May 1, 2006Date of Patent: November 18, 2008Assignee: Dimatix, Inc.Inventors: Thomas G. Duby, Robert L. Wells, Jr., Todd Severance, Sam Darby, Todd W. Boucher