Patents by Inventor David Keys

David Keys 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: 20220119873
    Abstract: This disclosure relates to methods and kits for karyotyping in which chromosomes are interrogated by amplifying loci that are not within copy number variable regions thereof.
    Type: Application
    Filed: November 2, 2021
    Publication date: April 21, 2022
    Inventors: Adam BROOMER, Kelly LI, Andreas TOBLER, Caifu CHEN, David KEYS
  • Patent number: 11193165
    Abstract: This disclosure relates to methods and kits for karyotyping in which chromosomes are interrogated by amplifying loci that are not within copy number variable regions thereof.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: December 7, 2021
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Adam Broomer, Kelly Li, Andreas Tobler, Caifu Chen, David Keys
  • Patent number: 10385386
    Abstract: A method for quantifying nucleic acid is provided. The method includes determining a first reference threshold cycle for a first predetermined input quantity for a reference nucleic acid, determining a first target threshold cycle for the first predetermined input quantity for a target nucleic acid, determining a second reference threshold cycle for a second predetermined input quantity for the reference nucleic acid, and determining a second target threshold cycle, by the processor, for the second predetermined input quantity for the target nucleic acid. The method further includes receiving a sample threshold cycle, determining a sample input quantity based on the first and second reference threshold cycle and the first and second target threshold cycle, and displaying the sample input quantity to a user.
    Type: Grant
    Filed: April 3, 2015
    Date of Patent: August 20, 2019
    Assignee: LIFE TECHNOLOGIES CORPORATION
    Inventors: Yalei Wu, David Keys
  • Publication number: 20180327813
    Abstract: A method of detection of a target nucleic acid is provided. The method includes fractionating a sample into a plurality of sample volumes wherein more than 50% of the fractions contain no more than 1 target nucleic acid molecule per sample volumes, and subjecting the plurality of sample volumes to conditions for amplification. The method further includes detecting a change in ion concentration in a sample volume wherein a target nucleic acid is present, counting the number of fractions with an amplified target nucleic acid, and determining the quantity of target nucleic acid in the sample.
    Type: Application
    Filed: July 23, 2018
    Publication date: November 15, 2018
    Inventors: Caifu Chen, Casey McFarland, David Keys
  • Publication number: 20180208979
    Abstract: A method for quantifying nucleic acid is provided. The method includes determining a first reference threshold cycle for a first predetermined input quantity for a reference nucleic acid, determining a first target threshold cycle for the first predetermined input quantity for a target nucleic acid, determining a second reference threshold cycle for a second predetermined input quantity for the reference nucleic acid, and determining a second target threshold cycle, by the processor, for the second predetermined input quantity for the target nucleic acid. The method further includes receiving a sample threshold cycle, determining a sample input quantity based on the first and second reference threshold cycle and the first and second target threshold cycle, and displaying the sample input quantity to a user.
    Type: Application
    Filed: April 3, 2015
    Publication date: July 26, 2018
    Inventors: Yalei Wu, David Keys
  • Patent number: 10030262
    Abstract: A method of detection of a target nucleic acid is provided. The method includes fractionating a sample into a plurality of sample volumes wherein more than 50% of the fractions contain no more than 1 target nucleic acid molecule per sample volumes, and subjecting the plurality of sample volumes to conditions for amplification. The method further includes detecting a change in ion concentration in a sample volume wherein a target nucleic acid is present, counting the number of fractions with an amplified target nucleic acid, and determining the quantity of target nucleic acid in the sample.
    Type: Grant
    Filed: April 19, 2013
    Date of Patent: July 24, 2018
    Assignee: Life Technologies Corporation
    Inventors: Caifu Chen, Casey McFarland, David Keys
  • Publication number: 20170177791
    Abstract: A method for quantifying nucleic acid is provided. The method includes determining a first reference threshold cycle for a first predetermined input quantity for a reference nucleic acid, determining a first target threshold cycle for the first predetermined input quantity for a target nucleic acid, determining a second reference threshold cycle for a second predetermined input quantity for the reference nucleic acid, and determining a second target threshold cycle, by the processor, for the second predetermined input quantity for the target nucleic acid. The method further includes receiving a sample threshold cycle, determining a sample input quantity based on the first and second reference threshold cycle and the first and second target threshold cycle, and displaying the sample input quantity to a user.
    Type: Application
    Filed: April 3, 2015
    Publication date: June 22, 2017
    Inventors: Yalei Wu, David Keys
  • Publication number: 20160251707
    Abstract: This disclosure relates to methods and kits for karyotyping in which chromosomes are interrogated by amplifying loci that are not within copy number variable regions thereof.
    Type: Application
    Filed: March 1, 2016
    Publication date: September 1, 2016
    Inventors: Adam BROOMER, Kelly Li, Andreas Tobler, Caifu Chen, David Keys
  • Publication number: 20150099644
    Abstract: A method of detection of a target nucleic acid is provided. The method includes fractionating a sample into a plurality of sample volumes wherein more than 50% of the fractions contain no more than 1 target nucleic acid molecule per sample volumes, and subjecting the plurality of sample volumes to conditions for amplification. The method further includes detecting a change in ion concentration in a sample volume wherein a target nucleic acid is present, counting the number of fractions with an amplified target nucleic acid, and determining the quantity of target nucleic acid in the sample.
    Type: Application
    Filed: April 19, 2013
    Publication date: April 9, 2015
    Inventors: Caifu Chen, Casey McFarland, David Keys