Patents by Inventor Leonard Parker

Leonard Parker 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).

  • Patent number: 11946000
    Abstract: A hydrocarbon cracker stream is combined with recycle content pyrolysis oil to form a combined cracker stream and the combined cracker stream is cracked in a cracker furnace to provide an olefin-containing effluent. The r-pyoil can be fed to the cracker feed. More specifically the-pyoil is present in said feedstock in an amount of not more than 20% by weight, based on the total weight of the feedstock.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: April 2, 2024
    Assignee: Eastman Chemical Company
    Inventors: Daryl Bitting, Kenny Randolph Parker, Michael Gary Polasek, David Eugene Slivensky, Xianchun Wu, Jerome Leonard Stavinoha, Jr.
  • Publication number: 20180170769
    Abstract: An apparatus and method for treatment of waste water, comprising a tank for receiving a waste water influent via an influent pump and discharging a treated waste water effluent via an effluent pump; a screen decanter disposed in the tank, the screen having a pore size of about 50 micrometers; and a timer operationally connected to the floating decanter and the effluent pump. Solids are settled from the waste water and drawn off through the tank bottom after a supernatant fluid is drawn off through the floating screen decanter. The supernatant fluid may be passed through a filtration and membrane water purification apparatus to generate purified water.
    Type: Application
    Filed: February 15, 2018
    Publication date: June 21, 2018
    Inventors: Terry Wright, Leonard A. Parker, Robert S. Karz, Jason E. Fox
  • Patent number: 9511420
    Abstract: The present invention is a rotary head tool that is a self-propelled rotary tool (SPRT) operable for round cutting involving hard turning. The rotary head tool comprises generally a toolholder, a tool that is removably or fixedly connectable to the toolholder, and an insert that that incorporates a cutting edge finable into the tool. The toolholder is formed to hold the tool with the insert therein at a particular angle. Elements of the rotary head tool of the present invention, such as the insert, may be “off the shelf elements and consequently the present invention may be produced at a low cost. Embodiments of the present invention are designed so that the rotary head tool provides economical benefits and affordability for the user and to provide performance benefits of SPRTs.
    Type: Grant
    Filed: June 6, 2012
    Date of Patent: December 6, 2016
    Inventors: Grant Leonard Parker, Hossam El Deen Ahmed Kishawy
  • Publication number: 20160288022
    Abstract: An apparatus and method for treatment of food process waste water, comprising a tank for receiving a food process waste water influent via an influent pump and discharging a treated food process waste water effluent via an effluent pump; a screen decanter disposed in the tank;, the screen having a porosity of about 50 micrometers; and a timer operationally connected to the floating decanter and the effluent pump. Solids are settled from the waste water and drawn off through the tank bottom after a supernatant fluid is drawn off through the floating decanter. The supernatant fluid is passed through a filtration and membrane water purification apparatus to generate purified water.
    Type: Application
    Filed: December 31, 2015
    Publication date: October 6, 2016
    Inventors: Terry Wright, Leonard A. Parker, Robert S. Karz, Jason E. Fox
  • Publication number: 20160288023
    Abstract: An apparatus and method for treatment of food process waste water, comprising a tank for receiving a food process waste water influent via an influent pump and discharging a treated food process waste water effluent via an effluent pump; a screen decanter disposed in the tank; the screen having a porosity of about 50 micrometers; and a timer operationally connected to the floating decanter and the effluent pump. Solids are settled from the waste water and drawn off through the tank bottom after a supernatant fluid is drawn off through the floating decanter. The supernatant fluid is passed through a filtration and membrane water purification apparatus to generate purified water.
    Type: Application
    Filed: December 31, 2015
    Publication date: October 6, 2016
    Inventors: Terry Wright, Leonard A. Parker, Robert S. Karz, Jason E. Fox
  • Publication number: 20160288021
    Abstract: An apparatus and method for treatment of food process waste water, comprising a tank for receiving a food process waste water influent via an influent pump and discharging a treated food process waste water effluent via an effluent pump; a floating decanter disposed in the tank; a valved outlet formed in the bottom of the tank; an upper level float switch operationally connected to the floating decanter; a lower level float switch operationally connected to the floating decanter and to the effluent pump; and a timer operationally connected to the floating decanter and the effluent pump. Solids are settled from the waste water and drawn off through the tank bottom after a supernatant fluid is drawn off through the floating decanter. The supernatant fluid is passed through a filtration and membrane water purification apparatus to generate purified water.
    Type: Application
    Filed: August 13, 2015
    Publication date: October 6, 2016
    Inventors: Leonard A. Parker, Robert S. Karz, Jason E. Fox
  • Publication number: 20150183660
    Abstract: A waste water treatment system includes a clarification tank having a clarification tank wall. An influent feed system (IFS) is mechanically mounted within and adjacent to a wall of the clarification tank and configured to receive a waste water influent stream including a fluid. A scum trough is mechanically coupled to either the IFS or the clarification tank. The scum trough has a scum trough mouth and a scum trough discharge channel. The scum trough is movable, or a portion of the scum trough includes a moveable structure, to control a rate of fluid in-take of the fluid with scum and floatables from either of the IFS or the clarification tank. Several methods to remove scum and floatables from a waste water stream are also described.
    Type: Application
    Filed: August 21, 2014
    Publication date: July 2, 2015
    Inventors: Terry Wright, Leonard A. Parker
  • Publication number: 20140186127
    Abstract: The present invention is a rotary head tool that is a self-propelled rotary tool (SPRT) operable for round cutting involving hard turning. The rotary head tool comprises generally a toolholder, a tool that is removably or fixedly connectable to the toolholder, and an insert that that incorporates a cutting edge finable into the tool. The toolholder is formed to hold the tool with the insert therein at a particular angle. Elements of the rotary head tool of the present invention, such as the insert, may be “off the shelf elements and consequently the present invention may be produced at a low cost. Embodiments of the present invention are designed so that the rotary head tool provides economical benefits and affordability for the user and to provide performance benefits of SPRTs.
    Type: Application
    Filed: June 6, 2012
    Publication date: July 3, 2014
    Inventors: Grant Leonard Parker, Hossam El Deen Ahmed Kishawy
  • Patent number: 7954430
    Abstract: An ink printing device is disclosed that incorporates a curing lamp located on the opposite side of a printed face of a printed substrate and partially cures a radiation curable ink by irradiating through the substrate. Additionally, this disclosure provides a method for partially curing radiation curable inks by exposing a radiation curable ink on a substrate to a curing lamp located opposite the printed face of the substrate.
    Type: Grant
    Filed: November 28, 2007
    Date of Patent: June 7, 2011
    Assignee: Xerox Corporation
    Inventors: Michelle Nena Chretien, Peter G. Odell, Leonard A. Parker
  • Patent number: 7681966
    Abstract: A process including selecting an ink having a viscosity that varies continuously over a range of transfuse process temperatures; forming an image on a preliminary receiving surface or on a final receiving substrate with the selected ink; providing a final receiving substrate at a selected temperature optionally comprising modifying the temperature of the final receiving substrate to achieve a selected temperature; optionally passing the final receiving substrate through a nip; optionally exerting pressure on the final receiving substrate in the nip to transfer the ink image from the preliminary receiving surface to the final receiving substrate; optionally fusing the ink image onto the final receiving substrate at a transfuse temperature; and controlling the viscosity of the ink during printing to match a selected characteristic of the final receiving substrate; and preserving the ink image.
    Type: Grant
    Filed: March 9, 2006
    Date of Patent: March 23, 2010
    Assignee: Xerox Corporation
    Inventors: Leonard A. Parker, Jennifer L. Belelie, Peter G. Odell, Paul Farrell Smith
  • Publication number: 20090135239
    Abstract: An ink printing device is disclosed that incorporates a curing lamp located on the opposite side of a printed face of a printed substrate and partially cures a radiation curable ink by irradiating through the substrate. Additionally, this disclosure provides a method for partially curing radiation curable inks by exposing a radiation curable ink on a substrate to a curing lamp located opposite the printed face of the substrate.
    Type: Application
    Filed: November 28, 2007
    Publication date: May 28, 2009
    Applicant: XEROX CORPORATION
    Inventors: Michelle Nena CHRETIEN, Peter G. ODELL, Leonard A. Parker
  • Publication number: 20070211128
    Abstract: A process including selecting an ink having a viscosity that varies continuously over a range of transfuse process temperatures; forming an image on a preliminary receiving surface or on a final receiving substrate with the selected ink; providing a final receiving substrate at a selected temperature optionally comprising modifying the temperature of the final receiving substrate to achieve a selected temperature; optionally passing the final receiving substrate through a nip; optionally exerting pressure on the final receiving substrate in the nip to transfer the ink image from the preliminary receiving surface to the final receiving substrate; optionally fusing the ink image onto the final receiving substrate at a transfuse temperature; and controlling the viscosity of the ink during printing to match a selected characteristic of the final receiving substrate; and preserving the ink image.
    Type: Application
    Filed: March 9, 2006
    Publication date: September 13, 2007
    Inventors: Leonard Parker, Jennifer Belelie, Peter Odell, Paul Smith
  • Patent number: 4980893
    Abstract: Monolithic high density arrays of independently addressable offset semiconductor laser emitters or elements are able to be placed in close center-to-center proximity, e.g., on 3-10 .mu.m centers, without experiencing any undesirable phase locking and with minimal amount of electrical and thermal interaction or crosstalk occurring between the independently addressed lasing elements and their independent operation in ROS printer applications. With a proper offset in the laser emitters, interlace scanning relative to an image bearing surface, which is required with other multiple emitter lasers in ROS printer applications, is eliminated thereby permitting adjacent line scanning of an image bearing surface without complicated optics and electronics.
    Type: Grant
    Filed: February 21, 1990
    Date of Patent: December 25, 1990
    Assignee: Xerox Corporation
    Inventors: Robert L. Thornton, Leonard A. Parker
  • Patent number: D739294
    Type: Grant
    Filed: September 19, 2014
    Date of Patent: September 22, 2015
    Assignee: United Source Packaging LLC
    Inventors: Edward Davies, Leonard Parker