Patents by Inventor Raja Rao Wusirika

Raja Rao Wusirika 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: 10501375
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: December 10, 2019
    Assignee: Corning Incorporated
    Inventors: Adriane Marie Divens-Dutcher, Gregory Albert Merkel, Patrick David Tepesch, Elizabeth Marie Vileno, Raja Rao Wusirika
  • Publication number: 20190322590
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same.
    Type: Application
    Filed: February 5, 2015
    Publication date: October 24, 2019
    Inventors: Adriane Marie Divens-Dutcher, Gregory Albert Merkel, Patrick David Tepesch, Elizabeth Marie Vileno, Raja Rao Wusirika
  • Patent number: 10450233
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: October 22, 2019
    Assignee: Corning Incorporated
    Inventors: Adriane Marie Divens-Dutcher, Gregory Albert Merkel, Patrick David Tepesch, Elizabeth Marie Vileno, Raja Rao Wusirika
  • Publication number: 20160229750
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same.
    Type: Application
    Filed: February 5, 2015
    Publication date: August 11, 2016
    Inventors: Adriane Marie Divens-Dutcher, Gregory Albert Merkel, Patrick David Tepesch, Elizabeth Marie Vileno, Raja Rao Wusirika
  • Publication number: 20150321962
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same.
    Type: Application
    Filed: February 5, 2015
    Publication date: November 12, 2015
    Inventors: Adriane Marie Divens-Dutcher, Gregory Albert Merkel, Patrick David Tepesch, Elizabeth Marie Vileno, Raja Rao Wusirika
  • Patent number: 8673045
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same.
    Type: Grant
    Filed: August 14, 2012
    Date of Patent: March 18, 2014
    Assignee: Corning Incorporated
    Inventors: Gregory Albert Merkel, Patrick David Tepesch, Raja Rao Wusirika
  • Publication number: 20130210608
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of same.
    Type: Application
    Filed: August 14, 2012
    Publication date: August 15, 2013
    Inventors: Gregory Albert Merkel, Patrick David Tepesch, Raja Rao Wusirika
  • Patent number: 8394167
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of the same.
    Type: Grant
    Filed: June 27, 2007
    Date of Patent: March 12, 2013
    Assignee: Corning Incorporated
    Inventors: Gregory Albert Merkel, Patrick David Tepesch, Raja Rao Wusirika
  • Patent number: 8349755
    Abstract: Zeolite-based honeycomb bodies and methods of manufacturing same. Zeolite-based honeycomb bodies especially suited for engine exhaust treatment applications include a primary phase comprising a zeolite having a SiO2 to Al2O3 molar ratio in the range from 5 to 300. The zeolite-based composites are porous with an open porosity of at least 25% and a median pore diameter of at least 1 micron. The zeolite-based honeycomb bodies can be manufactured by an extrusion method.
    Type: Grant
    Filed: June 3, 2010
    Date of Patent: January 8, 2013
    Assignee: Corning Incorporated
    Inventors: Steven Bolaji Ogunwumi, Patrick David Tepesch, Raja Rao Wusirika
  • Publication number: 20100304957
    Abstract: Zeolite-based honeycomb bodies and methods of manufacturing same. Zeolite-based honeycomb bodies especially suited for engine exhaust treatment applications include a primary phase comprising a zeolite having a SiO2 to Al2O3 molar ratio in the range from 5 to 300. The zeolite-based composites are porous with an open porosity of at least 25% and a median pore diameter of at least 1 micron. The zeolite-based honeycomb bodies can be manufactured by an extrusion method.
    Type: Application
    Filed: June 3, 2010
    Publication date: December 2, 2010
    Inventors: Steven Bolaji Ogunwumi, Patrick David Tepesch, Raja Rao Wusirika
  • Publication number: 20100237007
    Abstract: Disclosed are ceramic bodies comprised of composite cordierite aluminum magnesium titanate ceramic compositions and methods for the manufacture of the same.
    Type: Application
    Filed: June 27, 2007
    Publication date: September 23, 2010
    Applicant: Corning Incorporated
    Inventors: Gregory Albert Merkel, Patrick David Tepesch, Raja Rao Wusirika
  • Patent number: 7754638
    Abstract: Zeolite-based honeycomb bodies and methods of manufacturing same. Zeolite-based honeycomb bodies especially suited for engine exhaust treatment applications include a primary phase comprising a zeolite having a SiO2 to Al2O3 molar ratio in the range from 5 to 300. The zeolite-based composites are porous with an open porosity of at least 25% and a median pore diameter of at least 1 micron. The zeolite-based honeycomb bodies can be manufactured by an extrusion method.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: July 13, 2010
    Assignee: Corning Incorporated
    Inventors: Steven Bolaji Ogunwumi, Patrick David Tepesch, Raja Rao Wusirika
  • Publication number: 20090143221
    Abstract: Zeolite-based honeycomb bodies and methods of manufacturing same. Zeolite-based honeycomb bodies especially suited for engine exhaust treatment applications include a primary phase comprising a zeolite having a SiO2 to Al2O3 molar ratio in the range from 5 to 300. The zeolite-based composites are porous with an open porosity of at least 25% and a median pore diameter of at least 1 micron. The zeolite-based honeycomb bodies can be manufactured by an extrusion method.
    Type: Application
    Filed: November 21, 2008
    Publication date: June 4, 2009
    Inventors: Steven Bolaji Ogunwumi, Patrick David Tepesch, Raja Rao Wusirika
  • Patent number: 7473392
    Abstract: Disclosed is a sintered ceramic article that exhibits a primary crystalline phase of cordierite having an analytical oxide composition, expressed in weight percent on an oxide basis, of 49-53% SiO2, 33-38% Al2O3, 12-16% MgO and which exhibits a coefficient of thermal expansion equal to or more negative than ?0.6×10?7/° C. over the temperature range of about 25° C. to about 800° C. Also disclosed is a method for producing a ceramic article comprising the aforementioned cordierite.
    Type: Grant
    Filed: October 3, 2007
    Date of Patent: January 6, 2009
    Assignee: Corning Incorporated
    Inventor: Raja Rao Wusirika
  • Publication number: 20080287283
    Abstract: Disclosed are a catalyst and a catalyst body as defined herein and methods of use and manufacture.
    Type: Application
    Filed: April 29, 2008
    Publication date: November 20, 2008
    Inventors: Patrick David Tepesch, Raja Rao Wusirika
  • Patent number: 7300898
    Abstract: Disclosed is a sintered ceramic article that exhibits a primary crystalline phase of cordierite having an analytical oxide composition, expressed in weight percent on an oxide basis, of 49-53% SiO2, 33-38% Al2O3, 12-16% MgO and which exhibits a coefficient of thermal expansion equal to or more negative than ?0.6×10?7/° C. over the temperature range of about 25° C. to about 800° C. Also disclosed is a method for producing a ceramic article comprising the aforementioned cordierite.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: November 27, 2007
    Assignee: Corning Incorporated
    Inventor: Raja Rao Wusirika
  • Patent number: 6884626
    Abstract: Methods and apparatus for depositing a high density biological or chemical array onto a solid support. Specifically, the apparatus is made up of a plurality of open ended channels collectively forming a matrix. The matrix has been redrawn and cut such that the pitch of the channels on the loading end is larger than the pitch of the channels on the liquid delivery end. The upper portion of each channel serves as a reservoir, while the opposing end, which has been formed by the redrawing process, is diametrically sized such that liquid in the reservoir is retained by capillary pressure at the delivery end. At any point along the height of the capillary reservoir device, all cross-sectional dimensions and areas are uniformly reduced. In other words, the on-center orientation of any two channels, also referred to as the pitch between 2 channels, measured as a function of the diameter of any cross section, is constant throughout the structure.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: April 26, 2005
    Assignee: Corning Incorporated
    Inventors: Nicholas F. Borrelli, Alain R. E. Carre, Thierry L. A. Dannoux, Bernard Eid, David Root, Raja Rao Wusirika
  • Patent number: 6762061
    Abstract: Methods and apparatus for depositing a high density biological or chemical array onto a solid support. Specifically, the apparatus is made up of a plurality of open ended channels collectively forming a matrix. The matrix has been redrawn and cut such that the pitch of the channels on the loading end is larger than the pitch of the channels on the liquid delivery end. The upper portion of each channel serves as a reservoir, while the opposing end, which has been formed by the redrawing process, is diametrically sized such that liquid in the reservoir is retained by capillary pressure at the delivery end. At any point along the height of the capillary reservoir device, all cross-sectional dimensions and areas are uniformly reduced. In other words, the on-center orientation of any two channels, also referred to as the pitch between 2 channels, measured as a function of the diameter of any cross section, is constant throughout the structure.
    Type: Grant
    Filed: March 15, 2000
    Date of Patent: July 13, 2004
    Assignee: Corning Incorporated
    Inventors: Nicholas F. Borrelli, Alain R. E. Carre, Thierry L. A. Dannoux, Bernard Eid, David Root, Raja Rao Wusirika
  • Patent number: 6596237
    Abstract: Methods and apparatus for depositing a high density biological or chemical array onto a solid support. Specifically, the apparatus is made up of a plurality of open ended channels collectively forming a matrix. The matrix has been redrawn and cut such that the pitch of the channels on the loading end is larger than the pitch of the channels on the liquid delivery end. The upper portion of each channel serves as a reservoir, while the opposing end, which has been formed by the redrawing process, is diametrically sized such that liquid in the reservoir is retained by capillary pressure at the delivery end. At any point along the height of the capillary reservoir device, all cross-sectional dimensions and areas are uniformly reduced. In other words, the on-center orientation of any two channels, also referred to as the pitch between 2 channels, measured as a function of the diameter of any cross section, is constant throughout the structure.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: July 22, 2003
    Inventors: Nicholas F. Borrelli, Alain R. E. Carre, Thierry L. A. Dannoux, Bernard Eid, David Root, Raja Rao Wusirika
  • Patent number: 6496632
    Abstract: Disclosed is a method of making a photonic crystal using a combination of extruding and drawing techniques. The method is contemplated as being capable of producing both two and three dimensional crystals due to the maturity and diversity of extruding and drawing technology. The method allows the drawing of relatively large photonic crystals and is flexible enough to provide a periodic array of channels or filaments as the crystal features. After the extruding step or steps and before the step of heating and drawing, a plurality of elongated extruded bodies can be bundled and drawn as a unit.
    Type: Grant
    Filed: April 18, 2001
    Date of Patent: December 17, 2002
    Assignee: Corning Incorporated
    Inventors: Nicholas Francis Borrelli, John Forrest Wight, Jr., Raja Rao Wusirika