Patents by Inventor John Carman

John Carman 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: 12123867
    Abstract: Systems and methods for inserting a single pore into a membrane are described herein. A stepped or ramped voltage waveform can be applied across the membranes of the cells of an array, where the voltage waveform starts at first voltage and increases in magnitude over a period of time to a second voltage. The first voltage is selected to be low enough to reduce the risk of damaging the membrane, while the rate of voltage increase is selected to provide sufficient time for the pores to insert into the membranes. Once a pore is inserted into the membrane, the voltage across the membrane rapidly drops, thereby reducing the risk of damaging the membrane even if the applied voltage between the electrodes is further increased.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: October 22, 2024
    Assignee: Roche Sequencing Solutions, Inc.
    Inventors: Geoffrey Barrall, George John Carman, Takeshi Harada, Jason Komadina, J. William Maney, Jr., Charlotte Yang
  • Publication number: 20230087757
    Abstract: A nanopore-based sequencing chip can have a surface with an array of wells, with each well having a working electrode. Charge can be established within the wells by applying a voltage between the working electrodes and a counter electrode. The charge can then be trapped within the wells by sealing the wells with a membrane. The trapped charge can be used to facilitate pore insertion into the membranes.
    Type: Application
    Filed: November 1, 2022
    Publication date: March 23, 2023
    Inventors: Geoffrey BARRALL, George John CARMAN, Harikrishnan JAYAMOHAN, Jason KOMADINA, J. William MANEY, JR.
  • Publication number: 20210302409
    Abstract: Systems and methods for inserting a single pore into a membrane are described herein. A stepped or ramped voltage waveform can be applied across the membranes of the cells of an array, where the voltage waveform starts at first voltage and increases in magnitude over a period of time to a second voltage. The first voltage is selected to be low enough to reduce the risk of damaging the membrane, while the rate of voltage increase is selected to provide sufficient time for the pores to insert into the membranes. Once a pore is inserted into the membrane, the voltage across the membrane rapidly drops, thereby reducing the risk of damaging the membrane even if the applied voltage between the electrodes is further increased.
    Type: Application
    Filed: June 10, 2021
    Publication date: September 30, 2021
    Inventors: Geoffrey Barrall, George John Carman, Takeshi Harada, Jason Komadina, J. William Maney, JR., Charlotte Yang
  • Publication number: 20050155111
    Abstract: The present invention is directed to the seed-to-seed perpetuation of hybrid vigor and other traits through apomixis (asexual seed formation) in flowering plants (angiosperms). More particularly, to predictable methods for producing, from sexual or facultatively-apomictic plants, progeny plants that express an increased percentage of apomictic seed set or one or more elements of apomixis.
    Type: Application
    Filed: October 21, 2004
    Publication date: July 14, 2005
    Inventor: John Carman
  • Publication number: 20040183461
    Abstract: Methods and systems for providing emission of incoherent radiation and uses therefor are disclosed. A system for providing emission of high peak power (in watts) incoherent radiation, comprises an electrically impeded discharge lamp linked to an electrical energy supply.
    Type: Application
    Filed: January 21, 2003
    Publication date: September 23, 2004
    Inventors: Deborah Maree Kane, Richard Paul Mildren, Robert John Carman
  • Patent number: 6541924
    Abstract: Methods and systems for providing emission of incoherent radiation and uses therefor are disclosed. A system for providing emission of high peak power (in watts) incoherent radiation, comprises an electrically impeded discharge lamp linked to an electrical energy supply.
    Type: Grant
    Filed: September 12, 2000
    Date of Patent: April 1, 2003
    Assignee: Macquarie Research Ltd.
    Inventors: Deborah Maree Kane, Richard Paul Mildren, Robert John Carman
  • Patent number: 6175583
    Abstract: There is disclosed a metal vapour laser comprising a discharge tube having a buffer gas therein and operating at high temperature, the buffer gas including a laser output power enhancing substance in an amount sufficient to substantially increase the power output of the laser. There is also disclosed a process for operating a metal vapour laser of the invention.
    Type: Grant
    Filed: December 1, 1998
    Date of Patent: January 16, 2001
    Assignee: Macquarie Research LTD
    Inventors: James Austin Piper, Robert John Carman, Michael John Withford, Daniel John Brown
  • Patent number: 5761290
    Abstract: A peripheral platform, such as an Intelligent Peripheral (IP), is provided in a Common Channel Interoffice Signaling (CCIS) network having a Services Control Point (SCP) and intelligent network capabilities. The IP or similar platform provides alternate service activation (ASA) and obviates the necessity for the SCP to store a large number of subscriber service profiles. The IP has a call channel link to central office switches of the telephone network and has a data link to the SCP. On receiving a request for activation of alternate service the IP communicates with the SCP and the SCP communicates with the switching offices to retrieve a subscriber service profile from one central office switch and downloads and double assigns that profile to a second central office switch which may thereafter implement the features in that downloaded profile.
    Type: Grant
    Filed: October 11, 1995
    Date of Patent: June 2, 1998
    Assignee: Bell Atlantic Network Services, Inc.
    Inventors: Robert D. Farris, John Carman, William Tolson