Patents by Inventor A. Carl McDonald

A. Carl McDonald 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: 10092879
    Abstract: A selective catalytic reduction system may include a single housing defining a single centerline axis. The selective catalytic reduction system may also include a diesel particulate filter disposed within the single housing and having a DPF center axis aligned with the single centerline axis. The selective catalytic reduction system may also include an SCR catalyst disposed within the single housing and having a center axis aligned with the single centerline axis. In some implementations, the diesel particulate filter may include one or more SiC filters. In some implementations, the SCR catalyst may include one or more extruded SCR catalysts.
    Type: Grant
    Filed: December 22, 2015
    Date of Patent: October 9, 2018
    Assignee: Cummins Emission Solutions Inc.
    Inventors: Randolph G. Zoran, Ryan M. Johnson, David M. Sarcona, Carl A. McDonald, Kenneth R. Federle, John G. Buechler, Scott Lubenow
  • Publication number: 20180266300
    Abstract: An aftertreatment system includes a filtration and reduction unit. The filtration and reduction unit comprises a housing defining an internal volume. A filter is disposed in the internal volume and is configured to substantially remove particulates from the exhaust gas. A selective catalytic reduction system is disposed in the internal volume downstream of the filter and is configured to selectively reduce a portion of the exhaust gas. A first catalyst is formulated to oxidize at least a portion of the exhaust gas. An intake pipe is disposed upstream of the filtration and reduction unit and configured to communicate the exhaust gas o the filtration and reduction unit. The first catalyst is disposed in the intake pipe. An exhaust pipe is disposed downstream of the filtration and reduction unit.
    Type: Application
    Filed: December 22, 2015
    Publication date: September 20, 2018
    Applicant: Cummins Emission Solutions, Inc.
    Inventors: Yi Liu, Qiang Liu, Arvind V. Harinath, Changsheng C. Su, Behnam Bahrami, A. Carl McDonald, Stephen M. Holl
  • Publication number: 20170361273
    Abstract: A selective catalytic reduction system may include a single housing defining a single centerline axis. The selective catalytic reduction system may also include a diesel particulate filter disposed within the single housing and having a DPF center axis aligned with the single centerline axis. The selective catalytic reduction system may also include an SCR catalyst disposed with-in the single housing and having a center axis aligned with the single centerline axis. In some implementations, the diesel particulate filter may include one or more SiC filters. In some implementations, the SCR catalyst may include one or more extruded SCR catalysts.
    Type: Application
    Filed: December 22, 2015
    Publication date: December 21, 2017
    Applicant: Cummins Emission Solutions, Inc.
    Inventors: Randolph G. Zoran, Ryan M. Johnson, David M. Sarcona, Carl A. McDonald, Kenneth R. Federle, John G. Buechler, Scott Lubenow
  • Publication number: 20160090887
    Abstract: Various embodiments relate to a selective catalytic reduction system for treating exhaust gases of an internal combustion engine. The system includes an inlet section that receives exhaust gases from the engine. The system includes a tank storing diesel exhaust fluid (“DEF”), a pump, a valve, and an injector each in fluid communication with each other. The injector is coupled to the inlet exhaust pipe and configured to inject DEF into the exhaust gases flowing through the inlet exhaust pipe in a plurality of pulses. Each of the plurality of pulses injects a constant volume of DEF into the inlet exhaust pipe. The system further includes a controller configured to operate the pump and the valve such that a time interval between successive constant volume pulses of the plurality of pulses is varied based on a variable oxides of nitrogen content of the exhaust gases.
    Type: Application
    Filed: September 21, 2015
    Publication date: March 31, 2016
    Applicant: Cummins Emission Solutions, Inc.
    Inventors: Douglas Mitchell, Carl A. McDonald
  • Patent number: 8829277
    Abstract: The present invention relates to methods of manipulating senescence in plants. The invention also relates to vectors useful in such methods, transformed plants with modified senescence characteristics and plant cells, seeds and other parts of such plants.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: September 9, 2014
    Assignees: Agriculture Victoria Services Pty Ltd., La Trobe University
    Inventors: German Spangenberg, Carl McDonald Ramage, Melissa Ann Palviainen, Roger W. Parish, Joshua Heazlewood
  • Publication number: 20130254942
    Abstract: The present invention relates to methods of manipulating senescence in plants. The invention also relates to vectors useful in such methods, transformed plants with modified senescence characteristics and plant cells, seeds and other parts of such plants.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 26, 2013
    Applicants: LA TROBE UNIVERSITY, AGRICULTURE VICTORIA SERVICES PTY LTD.
    Inventors: German Spangenberg, Carl McDonald Ramage, Melissa Ann Palviainen, Roger W. Parish, Joshua Heazlewood
  • Patent number: 8399739
    Abstract: The present invention relates to methods of manipulating senescence in plants. The invention also relates to vectors useful in such methods, transformed plants with modified senescence characteristics and plant cells, seeds and other parts of such plants.
    Type: Grant
    Filed: October 23, 2009
    Date of Patent: March 19, 2013
    Assignees: Agriculture Victoria Services Pty, La Trobe University
    Inventors: German Spangenberg, Carl McDonald Ramage, Melissa Ann Palviainen, Roger W. Parish, Joshua Heazlewood
  • Publication number: 20100192259
    Abstract: The present invention relates to methods of manipulating senescence in plants. The invention also relates to vectors useful in such methods, transformed plants with modified senescence characteristics and plant cells, seeds and other parts of such plants.
    Type: Application
    Filed: October 23, 2009
    Publication date: July 29, 2010
    Applicants: AGRICULTURE VICTORIA SERVICES PTY LTD, LA TROBE UNIVERSITY
    Inventors: German Spangenberg, Carl McDonald Ramage, Melissa Ann Palviainen, Roger W. Parish, Joshua Heazlewood
  • Publication number: 20090191636
    Abstract: The present invention provides a method for producing a transgenic graminaceous plant cell, said method comprising: (i) obtaining embryonic cells from a mature graminaceous grain; and (ii) contacting said embryonic cells with a bacterium capable of transforming a plant cell, said bacterium comprising transfer-nucleic acid to be introduced into the embryonic cells, said contacting being for a time and under conditions sufficient for said bacterium to introduce said transfer-nucleic acid into one or more of the embryonic cells, thereby producing a transgenic graminaceous plant cell. The present invention also provides a method for producing a transgenic graminaceous plant. The present invention also provides a transgenic graminaceous plant cell and/or a transgenic graminaceous plant produced by said method. The present invention also provides a method for expressing a nucleic acid in a transgenic graminaceous plant cell or a transgenic graminaceous plant.
    Type: Application
    Filed: January 11, 2007
    Publication date: July 30, 2009
    Inventors: Carl McDonald Ramage, German Spangenberg, Dalia Vishnudasan
  • Patent number: D736491
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: August 18, 2015
    Inventor: Carl McDonald
  • Patent number: D794100
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: August 8, 2017
    Assignee: CUMMINS EMISSION SOLUTIONS INC.
    Inventors: Carl A. McDonald, Arvind V. Harinath, John G. Buechler, Ryan M. Johnson, Randolph G. Zoran
  • Patent number: D809577
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: February 6, 2018
    Assignee: CUMMINS EMISSION SOLUTIONS INC.
    Inventors: Carl A. McDonald, Arvind V. Harinath, John G. Buechler, Ryan M. Johnson, Randolph G. Zoran
  • Patent number: D831083
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: October 16, 2018
    Assignee: CUMMINS EMISSION SOLUTIONS INC.
    Inventors: Carl A. McDonald, Arvind V. Harinath, John G. Buechler, Ryan M. Johnson, Randolph G. Zoran