Patents by Inventor Bogdan Dabrowski

Bogdan Dabrowski 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: 9764985
    Abstract: A manganese oxide contains M1, optionally M2, Mn and O. M1 is selected from the group consisting of In, Sc, Y, Dy, Ho, Er, Tm, Yb and Lu. M2 is different from M1, and M2 is selected from the group consisting of Bi, In, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. These ceramic materials are hexagonal in structure, and provide superior materials for gas separation and oxygen storage.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: September 19, 2017
    Assignee: Board of Trustees of Northern Illinois University
    Inventors: Bogdan Dabrowski, Steven Remsen
  • Patent number: 9310131
    Abstract: A counter-current shaft dryer with moving shelves for drying agglomerates of a small mechanical strength having a vertical shaft, which comprises a top charging zone, a multi-level drying zone, preferably comprising from two thru six levels and a bottom discharging zone. An outlet stub pipe or outlet collector of drying gases situated between the bottom discharging zone and the drying zone. An outlet stub pipe or outlet collector of moist gases situated between the drying zone and the top charging zone. Shelves of the charging zone and the discharging zone are made of a number of rectangular not perforated sheet metal plates. Shelves of the drying zone are made of a number of rectangular perforated sheet metal plates. Every rectangular metal sheet plate shelf is attached along its long edge to parallel pins mounted swiveling to walls of the shaft, transverse against the axis of the shaft.
    Type: Grant
    Filed: December 7, 2011
    Date of Patent: April 12, 2016
    Assignee: LSA SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA
    Inventors: Krzysztof Luczaj, Bogdan Dabrowski, Janusz Sokolowski, Krzysztof Switka
  • Publication number: 20150251955
    Abstract: A manganese oxide contains M1, optionally M2, Mn and O. M1 is selected from the group consisting of In, Sc, Y, Dy, Ho, Er, Tm, Yb and Lu. M2 is different from M1, and M2 is selected from the group consisting of Bi, In, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. These ceramic materials are hexagonal in structure, and provide superior materials for gas separation and oxygen storage.
    Type: Application
    Filed: March 13, 2015
    Publication date: September 10, 2015
    Applicant: Board of Trustees of Northern Illinois University
    Inventors: Bogdan Dabrowski, Steven Remsen
  • Patent number: 8980213
    Abstract: A manganese oxide contains M1, optionally M2, Mn and O. M1 is selected from the group consisting of In, Sc, Y, Dy, Ho, Er, Tm, Yb and Lu. M2 is different from M1, and M2 is selected from the group consisting of Bi, In, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. These ceramic materials are hexagonal in structure, and provide superior materials for gas separation and oxygen storage.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: March 17, 2015
    Assignee: Board of Trustees of Northern Illinois University
    Inventors: Bogdan Dabrowski, Steven Remsen
  • Publication number: 20120174427
    Abstract: A counter-current shaft dryer with moving shelves for drying agglomerates of a small mechanical strength having a vertical shaft, which comprises a top charging zone, a multi-level drying zone, preferably comprising from two thru six levels and a bottom discharging zone. An outlet stub pipe or outlet collector of drying gases situated between the bottom discharging zone and the drying zone. An outlet stub pipe or outlet collector of moist gases situated between the drying zone and the top charging zone. Shelves of the charging zone and the discharging zone are made of a number of rectangular not perforated sheet metal plates. Shelves of the drying zone are made of a number of rectangular perforated sheet metal plates. Every rectangular metal sheet plate shelf is attached along its long edge to parallel pins mounted swiveling to walls of the shaft, transverse against the axis of the shaft.
    Type: Application
    Filed: December 7, 2011
    Publication date: July 12, 2012
    Applicant: LSA SPOLKA Z OGRANICZONA ODPOWIEDZIALNOSCIA
    Inventors: Krzysztof LUCZAJ, Bogdan DABROWSKI, Janusz SOKOLOWSKI, Krzysztof SWITKA
  • Publication number: 20120118149
    Abstract: A manganese oxide contains M1, optionally M2, Mn and O. M1 is selected from the group consisting of In, Sc, Y, Dy, Ho, Er, Tm, Yb and Lu. M2 is different from M1, and M2 is selected from the group consisting of Bi, In, Sc, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. These ceramic materials are hexagonal in structure, and provide superior materials for gas separation and oxygen storage.
    Type: Application
    Filed: October 28, 2011
    Publication date: May 17, 2012
    Inventors: Bogdan Dabrowski, Steven Remsen
  • Patent number: 5418214
    Abstract: A new copper oxide superconductor of the formula Ln.sub.1-x M.sub.x Sr.sub.2 Cu.sub.3-y Ti.sub.y O.sub.7+.delta. is disclosed, and exhibits a Tc of 60.degree. K. with deviations from linear metallic behavior as high as 130.degree. K.
    Type: Grant
    Filed: August 23, 1993
    Date of Patent: May 23, 1995
    Assignee: Northwestern University
    Inventors: Robert Toreki, Kenneth Poeppelmeier, Bogdan Dabrowski
  • Patent number: 5374611
    Abstract: A high temperature superconducting material with the general formula GaSr.sub.2 Ln.sub.1-x MxCu.sub.2 O.sub.7.+-.w wherein Ln is selected from the group consisting of La, Ce, Pt, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Y and M is selected from the group consisting of Ca and Sr, 0.2.ltoreq.x.ltoreq.0.4 and w is a small fraction of one. A method of preparing this high temperature superconducting material is provided which includes heating and cooling a mixture to produce a crystalline material which is subsequently fired, ground and annealed at high pressure and temperature in oxygen to establish superconductivity.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: December 20, 1994
    Assignees: The University of Chicago, Northwestern University
    Inventors: Bogdan Dabrowski, J. T. Vaughey, Kenneth R. Poeppelmeier