Patents by Inventor Steven A. Hofstadler

Steven A. Hofstadler 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).

  • Publication number: 20150014548
    Abstract: The invention relates generally to sample ionization, and provides ionization probe assemblies, systems, computer program products, and methods useful for this purpose.
    Type: Application
    Filed: August 4, 2014
    Publication date: January 15, 2015
    Inventors: Steven A. Hofstadler, Jose R. Gutierrez, James C. Hannis, Jared J. Drader, Rex O. Bare, Jeffrey C. Smith, Paul J. Gleason, Jared Nathanson
  • Patent number: 8921047
    Abstract: The present invention relates generally to the field of investigational bioinformatics and more particularly to secondary structure defining databases. The present invention further relates to methods for interrogating a database as a source of molecular masses of known bioagents for comparing against the molecular mass of an unknown or selected bioagent to determine either the identity of the selected bioagent, and/or to determine the origin of the selected bioagent. The identification of the bioagent is important for determining a proper course of treatment and/or irradication of the bioagent in such cases as biological warfare. Furthermore, the determination of the geographic origin of a selected bioagent will facilitate the identification of potential criminal identity.
    Type: Grant
    Filed: October 29, 2012
    Date of Patent: December 30, 2014
    Assignee: Ibis Biosciences, Inc.
    Inventors: David J. Ecker, Richard H. Griffey, Rangarajan Sampath, Steven A. Hofstadler, John McNeil, Stanley T. Crooke
  • Patent number: 8871471
    Abstract: The present invention provides methods and primer pairs for rapid, high-resolution forensic analysis of DNA and STR-typing by using amplification and mass spectrometry, determining the molecular masses and calculating base compositions of amplification products and comparing the molecular masses with the molecular masses of theoretical amplicons indexed in a database.
    Type: Grant
    Filed: February 25, 2008
    Date of Patent: October 28, 2014
    Assignee: IBIS Biosciences, Inc.
    Inventors: Thomas A. Hall, Steven A. Hofstadler, Kristin Sannes-Lowery
  • Publication number: 20140307520
    Abstract: Cartridges useful for mixing materials, such as fluidic materials are provided. A cartridge typically includes a body structure having surfaces that define a cavity with upper and lower portions. A rotatable member generally extends along a horizontal axis in the upper portion of the cavity. One or more protrusions typically extend outward from the rotatable member and into the lower portion of the cavity, and are configured to mix the material when the material is disposed in the cavity. Related mixing stations, systems, kits, and methods are also provided.
    Type: Application
    Filed: October 7, 2013
    Publication date: October 16, 2014
    Applicant: IBIS BIOSCIENCES, INC.
    Inventors: Steven A. Hofstadler, Jared J. Drader, Jose R. Gutierrez, Rex O. Bare, Robert D. Miller, Jeffrey C. Smith
  • Patent number: 8822156
    Abstract: The present invention provides methods of: identifying pathogens in biological samples from humans and animals, resolving a plurality of etiologic agents present in samples obtained from humans and animals, determining detailed genetic information about such pathogens or etiologic agents, and rapid detection and identification of bioagents from environmental, clinical or other samples.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: September 2, 2014
    Assignee: Ibis Biosciences, Inc.
    Inventors: David J. Ecker, Richard H. Griffey, Rangarajan Sampath, Steven A. Hofstadler, John McNeil, Stanley T. Crooke, Lawrence B. Blyn, Raymond Ranken, Thomas A. Hall
  • Patent number: 8815513
    Abstract: The present invention provides methods for rapid forensic investigations by identification of bioagents associated with biowarfare and acts of terrorism or crime. The methods are also useful for epidemiological investigations by genotyping of bioagents.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: August 26, 2014
    Assignee: Ibis Biosciences, Inc.
    Inventors: David J. Ecker, Richard H. Griffey, Rangarajan Sampath, Steven A. Hofstadler, John McNeil, Stanley T. Crooke, James C. Hannis
  • Publication number: 20140224042
    Abstract: Sample processing units useful for mixing and purifying materials, such as fluidic materials are provided. A sample processing unit typically includes a container configured to contain a sample comprising magnetically responsive particles, and one or more magnets that are in substantially fixed positions relative to the container. A sample processing unit also generally includes a conveyance mechanism configured to convey the container to and from a position that is within magnetic communication with the magnet, e.g., such that magnetically responsive particles with captured analytes can be retained within the container when other materials are added to and/or removed from the container. Further, a sample processing unit also typically includes a rotational mechanism that is configured to rotate the container, e.g., to effect mixing of sample materials disposed within the container. Related carrier mechanisms, sample processing stations, systems, and methods are also provided.
    Type: Application
    Filed: December 10, 2013
    Publication date: August 14, 2014
    Applicant: IBIS BIOSCIENCES, INC.
    Inventors: Steven A. Hofstadler, Jared J. Drader, Jose R. Gutierrez, Paul J. Gleason, Rex O. Bare, Robert D. Miller, Jeffrey C. Smith
  • Patent number: 8802372
    Abstract: The present invention provides methods for rapid forensic analysis of mitochondrial DNA and methods for characterizing heteroplasmy of mitochondrial DNA, which can be used to assess the progression of mitochondrial diseases.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: August 12, 2014
    Assignee: Ibis Biosciences, Inc.
    Inventors: David J. Ecker, Richard H. Griffey, Rangarajan Sampath, Steven A. Hofstadler, John McNeil, Stanley T. Crooke, Lawrence Blyn, Thomas A. Hall, Yun Jiang, James C. Hannis, Neill White, Vivek Samant, Mark W. Eshoo, Jared James Drader
  • Patent number: 8796617
    Abstract: The invention relates generally to sample ionization, and provides ionization probe assemblies, systems, computer program products, and methods useful for this purpose.
    Type: Grant
    Filed: January 3, 2012
    Date of Patent: August 5, 2014
    Assignee: Ibis BioSciences, Inc.
    Inventors: Steven A. Hofstadler, Jose R. Gutierrez, James C. Hannis, Jared J. Drader, Rex O. Bare, Jeffrey C. Smith, Paul J. Gleason, Jared Nathanson
  • Publication number: 20140154043
    Abstract: Systems, computer program products, and methods useful for handling or managing microplates are provided.
    Type: Application
    Filed: September 16, 2013
    Publication date: June 5, 2014
    Applicant: IBIS BIOSCIENCES, INC.
    Inventors: Steven A. Hofstadler, Jared J. Drader, Jose R. Gutierrez, Paul J. Gleason, Rex O. Bare, Robert D. Miller, Jeffrey C. Smith, Kevin S. Oberkramer, Ronald K. Bergold
  • Publication number: 20140141502
    Abstract: The present invention provides methods for the quantification of an unknown bioagent in a sample by amplification of nucleic acid of the bioagent, and concurrent amplification of a known quantity of a calibration polynucleotide from which are obtained a bioagent identifying amplicon and a calibration amplicon. Upon molecular mass analysis, mass and abundance data are obtained. The identity of the bioagent is then determined from the molecular mass of the bioagent identifying amplicon and the quantity of the identified bioagent in the sample is determined from the abundance data of the bioagent identifying amplicon and the abundance data of the calibration amplicon.
    Type: Application
    Filed: January 27, 2014
    Publication date: May 22, 2014
    Applicant: IBIS BIOSCIENCES, INC.
    Inventors: David J. Ecker, Rangarajan Sampath, Lawrence B. Blyn, Steven A. Hofstadler, Thomas A. Hall
  • Publication number: 20140011201
    Abstract: The present invention relates generally to the field of nucleic acid purification. In particular, provided herein are micro particles and micro particle clusters for selective anion exchange of nucleic acids, and methods and kits useful for this purpose.
    Type: Application
    Filed: July 2, 2013
    Publication date: January 9, 2014
    Applicant: IBIS BIOSCIENCES, INC.
    Inventors: Gregory Richmond, Jose R. Gutierrez, Steven A. Hofstadler
  • Patent number: 8614087
    Abstract: Provided herein is technology relating to testing biological samples and particularly, but not exclusively, to devices, systems, and kits for performing multiple, simultaneous real-time assays on a sample in a single-use disposable format. For example, the technology relates to an apparatus that finds use, for example, for point-of-care diagnostics, including use at accident sites, emergency rooms, in surgery, in intensive care units, as well as for non-medical applications.
    Type: Grant
    Filed: May 2, 2012
    Date of Patent: December 24, 2013
    Assignee: Ibis Biosciences, Inc.
    Inventors: Jared J. Drader, Gordon Bruce Collier, Steven A. Hofstadler
  • Publication number: 20130337452
    Abstract: The present invention provides methods for rapid forensic analysis of mitochondrial DNA by amplification of a segment of mitochondrial DNA containing restriction sites, digesting the mitochondrial DNA segments with restriction enzymes, determining the molecular masses of the restriction fragments and comparing the molecular masses with the molecular masses of theoretical restriction digests of known mitochondrial DNA sequences stored in a database.
    Type: Application
    Filed: March 26, 2013
    Publication date: December 19, 2013
    Applicant: IBIS BIOSCIENCES, INC.
    Inventors: Steven A. Hofstadler, Thomas A. Hall, David J. Ecker, Lawrence B. Blyn, Mark W. Eshoo, Vivek Samant, Neill White
  • Patent number: 8609430
    Abstract: Sample processing units useful for mixing and purifying materials, such as fluidic materials are provided. A sample processing unit typically includes a container configured to contain a sample comprising magnetically responsive particles, and one or more magnets that are in substantially fixed positions relative to the container. A sample processing unit also generally includes a conveyance mechanism configured to convey the container to and from a position that is within magnetic communication with the magnet, e.g., such that magnetically responsive particles with captured analytes can be retained within the container when other materials are added to and/or removed from the container. Further, a sample processing unit also typically includes a rotational mechanism that is configured to rotate the container, e.g., to effect mixing of sample materials disposed within the container. Related carrier mechanisms, sample processing stations, systems, and methods are also provided.
    Type: Grant
    Filed: August 27, 2012
    Date of Patent: December 17, 2013
    Assignee: Ibis Biosciences, Inc.
    Inventors: Steven A. Hofstadler, Jared J. Drader, Jose R. Gutierrez, Paul J. Gleason, Rex O. Bare, Robert D. Miller, Jeffrey C. Smith
  • Patent number: 8563250
    Abstract: The present invention provides methods for rapid forensic investigations by identification of bioagents associated with biowarfare and acts of terrorism or crime. The methods are also useful for epidemiological investigations by genotyping of bioagents.
    Type: Grant
    Filed: March 5, 2007
    Date of Patent: October 22, 2013
    Assignee: Ibis Biosciences, Inc.
    Inventors: David J. Ecker, Richard H. Griffey, Rangarajan Sampath, Steven Hofstadler, John McNeil, Stanley T. Crooke, James C. Hannis
  • Patent number: 8551738
    Abstract: There is a need for nucleic acid analysis which is both specific and rapid, and in which no nucleic acid sequencing is required. The present invention addresses this need, among others by providing a method of nucleic acid amplification of overlapping sub-segments of a nucleic acid followed by molecular mass measurement of resulting amplification products by mass spectrometry, and determination of the base compositions of the amplification products.
    Type: Grant
    Filed: November 11, 2009
    Date of Patent: October 8, 2013
    Assignee: Ibis Biosciences, Inc.
    Inventors: David J. Ecker, Steven A. Hofstadler, Thomas A. Hall, Kristin Sannes-Lowery
  • Patent number: 8550694
    Abstract: Cartridges useful for mixing materials, such as fluidic materials are provided. A cartridge typically includes a body structure having surfaces that define a cavity with upper and lower portions. A rotatable member generally extends along a horizontal axis in the upper portion of the cavity. One or more protrusions typically extend outward from the rotatable member and into the lower portion of the cavity, and are configured to mix the material when the material is disposed in the cavity. Related mixing stations, systems, kits, and methods are also provided.
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: October 8, 2013
    Assignee: Ibis Biosciences, Inc.
    Inventors: Steven A. Hofstadler, Jared J. Drader, Jose R. Gutierrez, Rex O. Bare, Robert D. Miller, Jeffrey C. Smith
  • Patent number: 8546082
    Abstract: The present invention provides compositions, kits and methods for rapid identification and quantification of sepsis-causing bacteria by molecular mass and base composition analysis.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: October 1, 2013
    Assignee: Ibis Biosciences, Inc.
    Inventors: Thomas A. Hall, Rangarajan Sampath, Vanessa Harpin, Steven A. Hofstadler, Yun Jiang
  • Patent number: 8534447
    Abstract: Systems, computer program products, and methods useful for handling or managing microplates are provided.
    Type: Grant
    Filed: September 16, 2009
    Date of Patent: September 17, 2013
    Assignee: Ibis Biosciences, Inc.
    Inventors: Steven A. Hofstadler, Jared J. Drader, Jose R. Gutierrez, Paul J. Gleason, Rex O. Bare, Robert D. Miller, Jeffrey C. Smith, Kevin S. Oberkramer, Ronald K. Bergold